TDA7309D STMicroelectronics, TDA7309D Datasheet

IC PROCESSOR STER/AUDIO 20-SOIC

TDA7309D

Manufacturer Part Number
TDA7309D
Description
IC PROCESSOR STER/AUDIO 20-SOIC
Manufacturer
STMicroelectronics
Type
Audio Processorr
Datasheet

Specifications of TDA7309D

Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Applications
-

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1
2
The TDA7309 is a control processor with indepen-
dent left and right volume control for quality audio
applications. Selectable external loudness and
soft mute functions are provided.
Control is accomplished by serial I
processor interface.
Figure 2. Block Diagram
March 2006
INPUT MULTIPLEXER:
3 STEREO INPUTS
RECORD OUTPUT FUNCTION
LOUDNESS FUNCTION
VOLUME CONTROL IN 1dB STEPS
INDEPENDENT LEFT AND RIGHT VOLUME
CONTROL
SOFT MUTE FUNCTION
ALL FUNCTIONS PROGRAMMABLE VIA
SERIAL I
FEATURES
DESCRIPTION
DIGITAL CONTROLLED STEREO AUDIO PROCESSOR
INPUTS
INPUTS
RIGHT
2
LEFT
C BUS
2.2µF
2.2µF
3 x
3 x
17
18
20
14
13
11
V S
16
AGND
SUPPLY
2
7
C bus micro-
SELECTOR
INPUT
CREF
15
Recout(R)
Recout(L)
10
22µF
1
TDA7309
SERIAL BUS DECODER + LATCHES
LOUD(R)
LOUD(L)
The AC signal setting is obtained by resistor net-
works and switches combined with operational
amplifiers.
Thanks to the used BIPOLAR/CMOS Technology,
Low Distortion, Low Noise and Low DC stepping
are obtained.
Figure 1. Packages
Table 1. Order Codes
LOUDNESS
LOUDNESS
VOLUME +
VOLUME +
19
12
TDA7309D013TR
100nF
100nF
Part Number
TDA7309D
TDA7309
DIP20
MUTE
SOFT
WITH LOUDNESS
MUTE
MUTE
D93AU045A
2
6
4
5
8
3
9
DIGGND
RIGHT
ADDR
LEFT
CSM
OUT
SDA
SCL
OUT
TDA7309
Tape & Reel
SO20
Package
DIP20
SO20
BUS
Rev. 6
1/14

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TDA7309D Summary of contents

Page 1

... SELECTOR SERIAL BUS DECODER + LATCHES VOLUME + LOUDNESS TDA7309 SUPPLY AGND CREF Recout(R) LOUD(R) 22µF TDA7309 WITH LOUDNESS DIP20 Part Number TDA7309 TDA7309D TDA7309D013TR Tape & Reel 100nF 2 OUT LEFT MUTE 6 DIGGND 4 SDA 5 SCL 8 ADDR 3 CSM SOFT MUTE 9 OUT RIGHT MUTE D93AU045A ...

Page 2

TDA7309 Figure 3. Pin Description Table 2. Absolute Maximum Ratings Symbol V Operating Supply Voltage S T Operating Ambient Temperature amb T Storage Temperature Range stg Table 3. QUICK REFERENCE DATA Symbol Parameter V Operating Supply Voltage S V Max. ...

Page 3

Table 5. Electrical Characteristcs (Refer to the test circuit, T all controls flat ( 1KHz unless otherwise specified.) Symbol Parameter SUPPLY V Supply Voltage S I Supply Current S SVR Ripple Rejection INPUT SELECTORS R Input ...

Page 4

TDA7309 Figure 5. Noise vs. Volume Setting. Figure 6. SVRR vs. Frequency. Figure 7. THD vs. frequency 4/14 Figure 8. THD vs LOAD Figure 9. Channel Separation vs. Frequency. Figure 10. Output Clip Level vs. Supply Voltage. ...

Page 5

Figure 11. Quiescen Current vs. Supply Voltage Figure 12. Loudness vs. Volume Attenuation Figure 13. Loudness vs. Frequency (C = 100nF) vs. Volume LOAD Figure 14. Loudness vs. External Capacitors TDA7309 5/14 ...

Page 6

TDA7309 BUS INTERFACE Data transmission from microprocessor to the TDA7313 and viceversa takes place thru the 2 wires I BUS interface, consisting of the two lines SDA and SCL (pull-up resistors to positive supply voltage must ...

Page 7

Figure 17. Acknowledge on the I SCL SDA START 2 Table 6. SDA, SCL I CBUS Timing Symbol f SCL clock frequency SCL t Bus free time between a STOP and START condition BUF t Hold time (repeated) START condition. ...

Page 8

TDA7309 4 SOFTWARE SPECIFICATION 4.1 Interface Protocol The interface protocol comprises: A start condition (s) ■ A chip address byte, containing the TDA7309 address (the 8th bit of the byte must be 0). ■ The TDA7309 must always acknowledge at ...

Page 9

Power on reset condition Table 10. Volume Codes MSB ...

Page 10

TDA7309 Table 12. Input Multiplexer Codes MSB Purchase Components of STMicrolectronics, conveys a license under the Philips I Rights to use these components dard Specifications as defined by ...

Page 11

Figure 20. DIP20 Mechanical Data & Package Dimensions mm DIM. MIN. TYP. MAX. a1 0.254 B 1.39 1.65 b 0.45 b1 0.25 D 25.4 E 8.5 e 2.54 e3 22.86 F 7.1 I 3.93 L 3.3 Z 1.34 inch MIN. ...

Page 12

TDA7309 Figure 21. SO20 Mechanical Data & Package Dimensions mm DIM. MIN. TYP. MAX. A 2.35 2.65 A1 0.10 0.30 B 0.33 0.51 C 0.23 0.32 (1) 12.60 13. 7.40 7.60 e 1.27 H 10.0 10.65 h 0.25 ...

Page 13

Table 13. Revision History Date Revision January 2004 March 2006 5 First Issue in EDOCS DMS 6 Modified on the page 8/14 the “MAX CLOCK SPEED” to 400kbits/s. Description of Changes TDA7309 13/14 ...

Page 14

... TDA7309 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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