C1853CT NEC, C1853CT Datasheet

no-image

C1853CT

Manufacturer Part Number
C1853CT
Description
Search -----> UPC1853CT
Manufacturer
NEC
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
C1853CT
Manufacturer:
SANYO
Quantity:
10 000
www.DataSheet4U.com
Document No. S10552EJ2V0DS00 (2nd edition)
(Previous No. ID-3126)
Date Published October 1995 P
Printed in Japan
expansion, and by adding rear speakers, rich three-dimensional sound can obtained.
FEATURES
• Any control is possible through the I
• Surround effect can be realized by only 2 speakers on the front side.
• On-chip tone (bass and treble) control circuit.
• Level-adjustable output pin for heavy bass sound.
• Level-adjustable output pin for AV amplifier.
APPLICATION
• TV, audio
ORDERING INFORMATION
The PC1853 is a phase shift matrix surround IC. Only 2 speakers on the front side implement wide sound
The PC1853 can perform all controls (mode switching, volume control and so on) through the I
PC1853-01 :
PC1853-02 :
Part Number
PC1853CT-01
PC1853CT-02
On-chip low boost circuit.
On-chip volume and balance control circuits.
On-chip L-channel volume and R-channel volume control circuits.
MATRIX SURROUND IC WITH I
The information in this document is subject to change without notice.
30-pin plastic shrink DIP (400 mil)
BIPOLAR ANALOG INTEGRATED CIRCUIT
2
C bus.
Package
DATA SHEET
"
2
C BUS
PC1853
2
C bus.
©
1995

Related parts for C1853CT

C1853CT Summary of contents

Page 1

... On-chip volume and balance control circuits. • PC1853-02 : On-chip L-channel volume and R-channel volume control circuits. APPLICATION • TV, audio ORDERING INFORMATION Part Number PC1853CT-01 PC1853CT-02 Document No. S10552EJ2V0DS00 (2nd edition) (Previous No. ID-3126) Date Published October 1995 P Printed in Japan DATA SHEET BIPOLAR ANALOG INTEGRATED CIRCUIT 2 C bus. ...

Page 2

SYSTEM BLOCK DIAGRAM • TV Tuner PD17002 Digital PD17052 tuning PD17053 controller Remote control PC2800A reception PC2801A amplifier PIN photo diode 2 Color, intensity PIF & SIF and deflecting Signal processor PC1852 PC1853 L Surround US MTS Surround processor ...

Page 3

F 0.082 F 0.1 F FC1FC2 FC3 FC4 MFO MFI LF1 – – + LPF PS1PS2PS3 PS4 – Phase shifter ...

Page 4

F 0.082 F 0.1 F FC1 FC2FC3 FC4 MFO MFI LF1 – – + LPF PS1PS2PS3 PS4 – Phase shifter ...

Page 5

PIN CONFIGURATION (Top View) (1) PC1853-01 Ground (for Analog) Phase shift filter 1 Phase shift filter 2 Phase shift filter 3 Phase shift filter 4 Low-pass filter 2 R-channel treble capacitor R-channel bass capacitor L-channel treble capacitor L-channel bass ...

Page 6

PC1853-02 Ground (for Analog) 1 Phase shift filter 1 2 Phase shift filter 2 3 Phase shift filter 3 4 Phase shift filter 4 5 Low-pass filter 2 6 R-channel treble capacitor 7 R-channel bass capacitor 8 L-channel ...

Page 7

EXPLANATION OF PINS ................................................................................................................ 2. ATTENTIONS .................................................................................................................................... BUS INTERFACE ...................................................................................................................... 17 3.1 Data Transfer ............................................................................................................................................. 3.1.1 Start condition .............................................................................................................................. 3.1.2 Stop condition ............................................................................................................................... 3.1.3 Data transfer .................................................................................................................................. 3.2 Data Transfer Format ............................................................................................................................... 3.2.1 ...

Page 8

... 0 2200 0.022 F PC1853 Description Ground for analog signal. Pin voltage: approx. 0.0 V Capacitor connection pin which determines time constant of phase shifter. Pin voltage: approx. 6.0 V ...

Page 9

... Capacitor connection pin which determines time constant of phase shifter. Pin voltage: approx. 6.0 V Low-pass filter. Pin voltage: approx. 6.0 V Capacitor connection pin for treble boost/cut frequency characteristic of R-channel signal. Pin voltage: approx. 6.0 V Capacitor connection pin for bass boost/cut frequency characteristic of R- channel signal. Pin voltage: approx. 6 ...

Page 10

... PC1853 Description Capacitor connection pin for treble boost/cut frequency characteristic of L-channel signal. Pin voltage: approx. 6.0 V Capacitor connection pin for bass boost/cut frequency characteristic of L-channel signal. Pin voltage: approx. 6.0 V L-R signal output pin. Select the output signal ( (L-R) signal or (L-R) signal) (see 4.4.1(4) or 4.4.2(2) Rear output selection). ...

Page 11

Pin Number Pin Name 13 R1 OUT 14 L1 OUT OUT Table 1-1 Explanation of Pins (4/8) Equivalent Circuit 500 ...

Page 12

... L-channel volume control. Pin voltage: approx. 6.0 V Capacitor connection pin which absorbs shock noise of D/A converter for balance control. Pin voltage: approx. 4.8 V Capacitor connection pin which absorbs shock noise of D/A converter for R-channel volume control. Pin voltage: approx. 4 Serial clock line pin (clock input for I C bus) ...

Page 13

Pin Number Pin Name 21 SDA 22 ADS 23 DGND Table 1-1 Explanation of Pins (6/8) Equivalent Circuit 150 25 125 k k ...

Page 14

... 680 pF PC1853 Description Capacitor connection pin which absorbs offset voltage generated by phase shifter. Pin voltage: approx. 6.0 V L-channel signal input pin. Input impedance Pin voltage: approx. 6.0 V R-channel signal input pin. Input impedance Pin voltage: approx. 6.0 V Low-pass filter ...

Page 15

Pin Number Pin Name 29 MFO 30 MFI Table 1-1 Explanation of Pins (8/8) Equivalent Circuit 820 k V 0.082 PC1853 Description High-pass filter output ...

Page 16

ATTENTIONS <1> Attention on Pop Noise Reduction When changing the surround mode and switching power, use the mute function (approx. 200 ms) for pop noise reduction (see 4.4.1(2) Mute for the PC1853-01 or 4.4.2(1) Mute for the PC1853-02). ...

Page 17

I C BUS INTERFACE The PC1853 has serial bus function. This serial bus (I composed of 2 wires: serial clock line (SCL) and serial data line (SDA). The PC1853 has built-in I SCL (Serial Clock Line) The ...

Page 18

Stop condition Stop condition is made by rising of SDA from “Low” to “High” during SCL is “High” as shown in Fig. 3-2. When this stop condition is received, the PC1853 stops to take in or output the ...

Page 19

Slave address SDA SCL Remark W: Write mode, ACK: Acknowledge bit Data is composed of 8 bits. Acknowledge bit is always added after this 8 bits data. Data should be transferred ...

Page 20

Serial data transfer The following is the format in the case of transferring 8 bytes data at one time by using automatic increment function (the data of subaddress 01H to 08H, bit D6 is “1”). S A SLAVE ...

Page 21

PC1853-01 Bit MSB Sub address 00H Rear output Low boost selection 0: OFF 0: (L- L-R 01H 0 Automatic increment 0: OFF 1: ON 02H 0 Automatic increment 0: OFF 1: ON 03H 0 ...

Page 22

PC1853-02 Bit MSB Sub address 00H Rear output 0 selection 0: (L-R) 1: L-R 01H 0 Automatic increment 0: OFF 1: ON 02H 0 Automatic increment 0: OFF 1: ON 03H 0 Automatic increment 0: OFF 1: ...

Page 23

Initialization After power-on, be sure to initialize the subaddress data to table below. Subaddress 00H 01H 02H 03H 04H 05H 06H 07H 08H Subaddress 00H 01H 02H 03H 04H 05H 06H 07H 08H Caution Until initializing completely, mute ...

Page 24

Surround Function About the setting of surround mode, see table below. Setting Surround mode OFF Movie Music Simulated –: Don’t care. Caution When changing the surround mode, use the mute function (approx. 200 ms) for pop noise reduction ...

Page 25

Explanation of Each Command 4.4.1 PC1853-01 (1) Audio Output Control Link By the data of subaddress 00H, bit D0, audio output volume link can be controlled (linked with main output control or not). Subaddress D7 Rear 00H output ...

Page 26

Subaddress D7 D6 Rear Low 00H output boost selection Caution Use the mute function (approx. 200 ms) for pop noise reduction when changing the surround mode and switching power. (3) Low boost function By the data of subaddress 00H, ...

Page 27

Rear output selection By the data of subaddress 00H, bit D7, output signal of the rear output pin can be selected ( (L-R) signal or (L-R) signal). Subaddress Rear 00H output selection (5) Volume control By the data ...

Page 28

Audio output volume control Subaddress D7 Automatic 06H 0 increment Note When selecting the mode linking main output volume control to audio output volume control, the audio output volume can be controlled by the data of main output ...

Page 29

Bass and treble control By the data of subaddress 03H and 04H, bit D5 to D0, the bass and treble tone for main output (L1 OUT and R1 OUT pin) can be adjusted in 64 levels. • Bass ...

Page 30

Caution After power-on, be sure to initialize the subaddress data (see 4.2 Initialization). The automatic increment function increments subaddress automatically. Automatic increment function Subaddress is incremented automatically. Automatic increment function is OFF: Subaddress is fixed. The ...

Page 31

Subaddress Surround 08H ON/OFF (11) Units of phase shifters By the data of subaddress 08H, bit D5, the number of phase shifter’s units ( units) can be selected for the indirect sound signal (surround signal). Subaddress Surround ...

Page 32

4.4.2 PC1853-02 (1) Mute By the data of subaddress 00H, bit D2 to D4, ON/OFF of mute function can be controlled. ...

Page 33

Volume control By the data of subaddress 01H, 02H, 05H, 06H and 07H, bit D5 to D0, the volume control can be adjusted in 64 levels. • R-channel output volume control Subaddress D7 01H 0 • L-channel output ...

Page 34

Audio output volume control Subaddress D7 Automatic 06H 0 increment • Rear output volume control Subaddress D7 Automatic 07H 0 increment (4) Bass and treble control See 4.4.1 (7) Bass and treble control. (5) Automatic increment function See ...

Page 35

ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings (Unless otherwise specified, T Parameter Supply voltage Input signal voltage bus input pin voltage Power dissipation Operating temperature Storage temperature Recommended Operating Conditions (Unless otherwise specified, T Parameter Supply voltage ...

Page 36

... Distortion rate (R-ch) THD kHz, R Lin = GND, Rin = 0 OUT, R2 OUT –: Don’t care. Note See 7. MEASURING CIRCUIT. Remark The values are common to both the PC1853CT-01 and PC1853CT-02 load impedance, unless otherwise specified) rms Note Switch mode Test conditions S1 S2 ...

Page 37

... PC1853CT-01 Volume control, tone control block (1/3) Parameter Symbol Volume attenuation 1 (1) ATT Lin = 0.5 V VL11 Volume attenuation 1 (2) ATT L1 OUT VL12 Volume attenuation 1 (3) ATT VL13 Volume attenuation 2 (1) ATT Lin = 0.5 V VL21 Volume attenuation 2 (2) ATT L2 OUT VL22 Volume attenuation 2 (3) ATT ...

Page 38

... PC1853CT-01 Volume control, tone control block (2/3) Parameter Symbol Low-band boost control (3 dB 100 Hz, Lin = 0.5 V B3dB1 Low-band boost control (3 dB Rin = GND, L1 OUT B3dB2 Low-band boost control (3 dB B3dB3 High-band boost control kHz, Lin = 0 High-band flat control ...

Page 39

... PC1853CT-01 Volume control, tone control block (3/3) Parameter Symbol Muting attenuation 1 Mute 1 Lin = 0.5 V Rin = GND, L1 OUT Muting attenuation 2 Mute 2 Lin = GND, Rin = 0.5 V Muting attenuation 3 Mute 3 Lin = 0.5 V Rin = GND, L2 OUT Muting attenuation 4 Mute 4 Lin = GND, Rin = 0.5 V Muting attenuation 5 Mute 5 Lin = 0.5 V Rin = 0.5 V Muting attenuation 6 Mute 6 Lin = 0 ...

Page 40

... PC1853CT-02 Volume control, tone control block (1/2) Parameter Symbol Volume attenuation 1 (1) L-ch ATT Lin = 0.5 V VL11 Volume attenuation 1 (2) L-ch ATT Rin = GND, VL12 Volume attenuation 1 (3) L-ch ATT L1 OUT VL13 Volume attenuation 1 (4) R-ch ATT Lin = GND, VR14 Volume attenuation 1 (5) R-ch ATT Rin = 0.5 V VR15 Volume attenuation 1 (6) R-ch ...

Page 41

... PC1853CT-02 Volume control, tone control block (2/2) Parameter Symbol L, R in-phase gain difference 3 ( 100 Hz, Lin = 0 in-phase gain difference 3 (2) DG Rin = 0 in-phase gain difference 3 ( OUT, R1 OUT in-phase gain difference 4 ( kHz, Lin = 0 ...

Page 42

... SIMR3 Note2 Simulated mode (R-ch) 3 Rin = 0.5 V –: Don’t care. Note 1. See 7. MEASURING CIRCUIT. 2. See 4.3 Surround Function about setting of surround mode. Remark The values are common to both the PC1853CT-01 and PC1853CT-02. Note1 Switch mode Test conditions ...

Page 43

... Lin = GND, Rin = 0 dB: 0.5 V Inter-mode offset V No signal. OSM At surround mode switching. –: Don’t care. Note See 7. MEASURING CIRCUIT. Remark The values are common to both the PC1853CT-01 and PC1853CT-02. Note Switch mode Test conditions – ...

Page 44

... THD Distortion rate of pins 14 and 17. L Distortion rate (R-ch) THD Distortion rate of pins 13 and 16. R Remark The methods are common to both the PC1853CT-01 and PC1853CT-02. Test conditions No signal Distortion rate of pins 13, 14, 16 and 17 Pins 26 and 27: Input SIN wave (1 kHz, 2 rms Distortion rate of pin 11 Pin 26: Input SIN wave (1 kHz, 2 ...

Page 45

... PC1853CT-01 Volume control, tone control block (1/9) Parameter Symbol Volume attenuation 1 (1) ATT VL11 Volume attenuation = 20 log Volume attenuation 1 (2) ATT L1 output: Output signal level of pin 14. VL12 L input: Input signal level of pin 26. Volume attenuation 1 (3) ATT VL13 Volume attenuation 2 (1) ATT VL21 ...

Page 46

... PC1853CT-01 Volume control, tone control block (2/9) Parameter Symbol Balance attenuation (L-ch) 1 (1) ATT BL11 Balance attenuation = 20 log Balance attenuation (L-ch) 1 (2) ATT L1 output: Output signal level of pin 14. BL12 L input: Input signal level of pin 26. Balance attenuation (L-ch) 1 (3) ATT BL13 Balance attenuation (R-ch) 1 (1) ATT BR11 ...

Page 47

... PC1853CT-01 Volume control, tone control block (3/9) Parameter Symbol Low-band boost control (6 dB B6dB3 Bass response = 20 log V BON V BOFF Low-band boost control (3 dB B3dB1 Bass response = 20 log V BON Low-band boost control (3 dB B3dB2 BOFF Low-band boost control (3 dB B3dB3 ...

Page 48

... PC1853CT-01 Volume control, tone control block (4/9) Parameter Symbol L, R in-phase gain difference 1 ( Channel to channel error = 20 log R1 output: Output signal level of pin 13. R input: Input signal level of pin 27. ATT L, R in-phase gain difference 1 ( Channel to channel error = 20 log R1 output: Output signal level of pin 13. ...

Page 49

... PC1853CT-01 Volume control, tone control block (5/9) Parameter Symbol L, R in-phase gain difference 3 ( Channel to channel error = 20 log R1 output: Output signal level of pin 13. R input: Input signal level of pin 27 in-phase gain difference 3 ( Channel to channel error = 20 log R1 output: Output signal level of pin 13. ...

Page 50

... PC1853CT-01 Volume control, tone control block (6/9) Parameter Symbol L, R in-phase gain difference 4 ( Channel to channel error = 20 log R1 output: Output signal level of pin 13. R input: Input signal level of pin 27 in-phase gain difference 4 ( Channel to channel error = 20 log R1 output: Output signal level of pin 13. ...

Page 51

... PC1853CT-01 Volume control, tone control block (7/9) Parameter Symbol L, R in-phase gain difference 5 ( Channel to channel error = 20 log V BON V BOFF V B6dB3 L, R in-phase gain difference 6 ( Channel to channel error = 20 log V BON V BOFF V B3dB1 L, R in-phase gain difference 6 ( Channel to channel error = 20 log ...

Page 52

... PC1853CT-01 Volume control, tone control block (8/9) Parameter Symbol Muting attenuation 1 Mute 1 Mute log L1 output : Output signal level of pin 14. L input: Input signal level of pin 26. Muting attenuation 2 Mute 2 Mute log R1 output : Output signal level of pin 13. R input: Input signal level of pin 27. ...

Page 53

... PC1853CT-01 Volume control, tone control block (9/9) Parameter Symbol Muting attenuation 5 Mute 5 Mute log L+R output : Output signal level of pin 12 input: Input signal level of pin 26 or 27. Muting attenuation 6 Mute 6 Mute log (Rear) Rear output : Output signal level of pin 11. L input: Input signal level of pin 26. ...

Page 54

... PC1853CT-02 Volume control, tone control block (1/6) Parameter Symbol Volume attenuation 1 (1) L-ch ATT VL11 Volume attenuation = 20 log Volume attenuation 1 (2) L-ch ATT L1 output: Output signal level of pin 14. VL12 L input: Input signal level of pin 26. Volume attenuation 1 (3) L-ch ATT VL13 Volume attenuation 1 (4) R-ch ATT VR14 ...

Page 55

... PC1853CT-02 Volume control, tone control block (2/6) Parameter Symbol Rear volume attenuation 1 ATT VRE1 Rear volume attenuation = 20 log Rear output: Output signal level of pin 11. Rear volume attenuation 2 ATT L input: Input signal level of pin 26. VRE2 Low-band boost control V BB Bass response = 20 log Low-band flat control V L1 output: Output signal level of pin 14 ...

Page 56

... PC1853CT-02 Volume control, tone control block (3/6) Parameter Symbol L, R in-phase gain difference 1 ( Channel to channel error = 20 log R1 output : Output signal level of pin 13. R input: Input signal level of pin 27. ATT Same method about L-ch input/output signal L, R in-phase gain difference 2 ( Channel to channel error = 20 log R2 output : Output signal level of pin 16 ...

Page 57

... PC1853CT-02 Volume control, tone control block (4/6) Parameter Symbol L, R in-phase gain difference 3 ( Channel to channel error = 20 log R1 output : Output signal level of pin 13. R input: Input signal level of pin 27 in-phase gain difference 3 ( Channel to channel error = 20 log R1 output : Output signal level of pin 13. ...

Page 58

... PC1853CT-02 Volume control, tone control block (5/6) Parameter Symbol L, R in-phase gain difference 4 ( Channel to channel error = 20 log R1 output : Output signal level of pin 13. R input: Input signal level of pin 27 Muting attenuation 1 Mute 1 Mute log L2 output : Output signal level of pin 17. ...

Page 59

... PC1853CT-02 Volume control, tone control block (6/6) Parameter Symbol Muting attenuation 4 Mute 4 Mute log (Rear) Rear output : Output signal level of pin 11. L input: Input signal level of pin 26. DC offset at muting mode V V OS1 OS1 (L1OUT, R1 OUT voltage of pin (Main output mute: ON). ...

Page 60

... G SIML3 Response = 20 log Simulated mode (L-ch output : Output signal level of pin 14 input: Input signal level of pin 26 or 27. Remark The methods are common to both the PC1853CT-01 and PC1853CT-02. Test conditions L1, R1 output L input Pin 26: Input SIN wave (1 kHz, 0 rms Pin 27: No signal (Connect to GND with an input coupling capacitor). ...

Page 61

... NO1: Output noise voltage of pins 11, 12, 13, 14, 16 and 17. Crosstalk 1 CT1 Crosstalk = 20 log R output: Output signal level of pin 13 or 16. L input: Input signal level of pin 26. Remark The methods are common to both the PC1853CT-01 and PC1853CT-02. Test conditions R1 output L, R input Pins 26 and 27: Input SIN wave (250 Hz, 0 ...

Page 62

... Inter-mode offset V No signal. OSM At surround mode switching. Note See 4.3 Surround Function. Remark The methods are common to both the PC1853CT-01 and PC1853CT-02. Test conditions L output R input Pin 26: No signal (Connect to GND with an input coupling capacitor). Pin 27: Input SIN wave (1 kHz. 0 ...

Page 63

CHARACTERISTIC CURVES About surround mode, see 4.3 Surround Function. 6.1 Frequency Response Characteristics in Each Mode (1) OFF mode (L-channel, R-channel –2 –4 –6 100 1 k Frequency f (Hz) PC1853 V = ...

Page 64

Movie Mode –5 –10 –15 –20 –25 –30 –35 100 (3) Music Mode –4 –8 –12 –16 –18 –20 100 Frequency f (Hz ...

Page 65

Simulated Mode –4 –8 –12 –16 –20 100 1 k Frequency f (Hz) PC1853 Lin, Rin 1 dB) IN p-p L1 OUT R1 OUT ...

Page 66

Characteristics of Phase Shifter and Rear Output (1) Movie Mode 0 –10 – 100 (2) Music Mode 0 –10 – 100 66 300 500700 ...

Page 67

Simulated Mode 0 –10 – 100 300 500 700 Frequency f (Hz) PC1853 Lin, Rin 1.4 V ...

Page 68

Control Characteristics (1) Volume Control Characteristics 0 –20 –40 –60 –80 –100 000000 001000 010000 011000 Data of Subaddress: 01H (D5······D0) (2) Balance Control Characteristics 0 –20 –40 Lch Rch –60 –80 –100 000000 001000 010000 Data of ...

Page 69

Tone Control Characteristics (Bass –5 –10 000000 001000 (4) Tone Control Characteristics (Treble –5 –10 000000 001000 010000 011000 100000 101000 110000 Data of Subaddress: 03H (D5······D0) 010000 011000 100000 101000 110000 ...

Page 70

Tone Frequency Characteristics –10 E –20 10 100 (6) Low Boost Control Characteristics –5 –10 000000 001000 010000 Data of Subaddress: 01H (D5·····D0 ...

Page 71

Low Boost –20 C –40 –60 10 100 (8) Low Boost –20 C –40 –60 10 100 Frequency f (Hz) ...

Page 72

Effect Control Characteristics 10 0 –10 –20 –30 –40 0000 0100 Data of Subaddress: 08H (D3······D0) 72 1000 1100 1111 PC1853 kHz Lin 1 dB) IN p-p Rin: GND Rear ...

Page 73

Input/Output Characteristics, Distortion Rate 5.0 1.0 0.5 0.1 0.05 0.01 0.05 0.1 0.5 1.0 5.0 Input Signal Voltage (V ) rms PC1853 kHz Lin or Rin 1 dB) IN p-p ...

Page 74

... DGND Switch Switch OFC 1/2 V DGND ADS Rin Lin PC1853CT FC3 FC4 LF2 RTC RBC LTC Note Note Note Note Note Note 0.022 F 0.022 F 0.1 F 1000 pF 6800 pF 6800 pF Attention on Printed Wiring ...

Page 75

PACKAGE DIMENSIONS 30PIN PLASTIC SHRINK DIP (400 mil NOTES 1) Each lead centerline is located within 0.17 mm (0.007 inch) of its true position (T.P.) at maximum material condition. 2) ltem "K" ...

Page 76

... Specific: Aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. The quality grade of NEC devices in “Standard“ unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact NEC Sales Representative in advance ...

Related keywords