TDA8722 Philips Semiconductors, TDA8722 Datasheet

no-image

TDA8722

Manufacturer Part Number
TDA8722
Description
I2C-bus programmable modulator for negative video modulation and FM sound
Manufacturer
Philips Semiconductors
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TDA8722M
Manufacturer:
TOSHIBA
Quantity:
4 000
Part Number:
TDA8722M
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Part Number:
TDA8722M/C3
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Part Number:
TDA8722T
Quantity:
5 510
Part Number:
TDA8722T
Manufacturer:
PHI
Quantity:
11
Part Number:
TDA8722T
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Company:
Part Number:
TDA8722T/C1
Quantity:
970
Product specification
Supersedes data of 1995 Mar 21
File under Integrated Circuits, IC02
DATA SHEET
TDA8722
I
for negative video modulation and
FM sound
2
C-bus programmable modulator
INTEGRATED CIRCUITS
1998 Jun 23

Related parts for TDA8722

TDA8722 Summary of contents

Page 1

... DATA SHEET TDA8722 2 I C-bus programmable modulator for negative video modulation and FM sound Product specification Supersedes data of 1995 Mar 21 File under Integrated Circuits, IC02 INTEGRATED CIRCUITS 1998 Jun 23 ...

Page 2

... TDA8722M SSOP20 plastic shrink small outline package; 20 leads; body width 4.4 mm 1998 Jun 23 GENERAL DESCRIPTION The TDA8722 is a programmable modulator which generates channel from a baseband video signal and a baseband audio signal in the event of negative video and FM sound standards (PAL B/G, I, D/K and NTSC). ...

Page 3

... Value depends on value of capacitor C17 (see Fig.7). 1998 Jun 23 CONDITIONS normal mode video level (pin 19) = 0.5 V (p-p); note 1; see Fig.10 note 2; see Fig.11 frequency between load 471.25 and 855.25 MHz f = 400 Hz 0.5 V (RMS before pre-emphasis filter 3 Product specification TDA8722 MIN. TYP. MAX. UNIT 4.5 5.0 5.5 V 4.5 5.0 5 ...

Page 4

... DGND Fig.1 Block diagram DDA RFA RFB ASYMMETRICAL VOLTAGE OUTPUT REGULATOR BUFFER MIXER PRESCALER UHF (8) OSCILLATOR 4 RF oscillator CHARGE AMP PUMP enable 9 4 MHz OSCILLATOR MBE401 Product specification TDA8722 UOSCA OGND UOSCB CP AMP XTAL ...

Page 5

... V 20 analog supply voltage DDA FUNCTIONAL DESCRIPTION The TDA8722 is a programmable modulator which can be divided into two main blocks: A modulator for negative video modulation and FM sound TV standards A programmable PLL frequency synthesizer. The video part of the modulator consists of a clamping ...

Page 6

... N, the test bits (see Table 1) and the output Port state. Note that after power-up of the IC, the two data bytes must be sent Fig.3 Test pattern signal. 6 Product specification TDA8722 2 C-bus). f xtal = --------- - = f ref 128 ...

Page 7

... BITS BITS BIT 0 BIT 2 BIT 1 ACKNOWLEDGE BIT LSB Product specification TDA8722 ACK ACK ACK (2) ( 0.5 0.25 (1) ( 0.25 ACK ACK ACK ...

Page 8

... DIV phase detector disabled; baseband signals on RF outputs; note 6 in the phase comparator or the divided RF oscillator frequency ref Table 6 Output Port programming Product specification TDA8722 OUTPUT PORT STATE off; high impedance on; sinking current ...

Page 9

... B” (2000 V). Every pin withstands the ESD test in accordance with Philips Semiconductors Machine Model (MM 200 pF (200 V). THERMAL RESISTANCE SYMBOL R thermal resistance from junction to ambient in free air th j-a SO20; SOT163-1 SSOP20; SOT266-1 1998 Jun 23 PARAMETER PARAMETER 9 Product specification TDA8722 MIN. MAX. UNIT 0 0 4.5 5.5 V 0.3 ...

Page 10

... V/S = 7/3 note 400 Hz 0.5 V (RMS) before 1 pre-emphasis filter f = 400 Hz 2.0 V (RMS) before 1 pre-emphasis filter kHz 0.5 V (RMS) before 1 pre-emphasis filter 10 Product specification TDA8722 TYP. MAX. UNIT 0 ...

Page 11

... MHz; C17 = note 31.25 kHz p note 10 in lock 1 AMP Product specification TDA8722 TYP. MAX. UNIT 855.25 MHz dBc 30 25 ...

Page 12

... during acknowledge pulse etc.). This measurement includes the spurious Product specification TDA8722 MIN. TYP. MAX. UNIT 150 400 5 1 0.4 ...

Page 13

... FM sound handbook, full pagewidth handbook, full pagewidth 1998 Jun Fig.4 CCIR insertion line N.17 Fig.5 CCIR insertion line N.330. 13 Product specification TDA8722 MBE396 70 MBE397 70 ...

Page 14

... UOSCB 5 OGND 6 UOSCA 7 AMP XTAL 10 DGND ESD protection components are not shown in the diagram. 1998 Jun 23 VOLTAGE REGULATOR Fig.6 Pin equivalent circuit for each pin. 14 Product specification TDA8722 20 V DDA 19 VIDEO 18 AGND 17 ADJUST 16 RFA 15 RFB SDA 12 SCL 11 V DDD ...

Page 15

... BB215 (4) Fig.7 Reference measuring set-up. 15 Product specification MHz 10 nF C11 150 C30 C31 BC547B TDA8722 PORT SCL SDA C21 2.2 F GND MBE403 ...

Page 16

... BB215 Fig.8 Application using an asymmetrical output C11 150 C30 BC547B MBE405 Product specification TDA8722 PORT SCL SDA MHz GND ...

Page 17

... The parasitic coupling between RF outputs and RF oscillator is also reduced (see Fig.9). 17 TOKO - B4F 617DB - 1010 C15 C11 150 C30 BC547B MBE404 Product specification TDA8722 PORT SCL SDA MHz GND ...

Page 18

... To reduce the out-of-band harmonics and especially the third one necessary to use a low-pass filter at the output of the IC R17 ( Product specification PROPOSED VALUE FOR R3 FACTOR ( >100 TDA8722 ...

Page 19

... In addition, the internal FM sound modulator can be switched off by short-circuiting pins 2 and 3. 19 Product specification TDA8722 14 third harmonic second harmonic 30 ...

Page 20

... FM sound handbook, full pagewidth SECOND CARRIER VIDEO Fig.13 Possible application for a second sound subcarrier. 1998 Jun C21 100 nF C19 C17 100 nF C20 Product specification 100 pF 100 pF C16 C15 PORT TDA8722 MGC419 TDA8722 ...

Page 21

... REFERENCES JEDEC EIAJ MS-013AC detail 1.1 1.1 0.25 0.25 1.4 0.4 1.0 0.043 0.043 0.055 0.01 0.01 0.016 0.039 EUROPEAN PROJECTION Product specification TDA8722 SOT163 ( 0.9 0.1 0 0.035 0.004 0.016 ISSUE DATE 95-01-24 97-05-22 ...

Page 22

... Jun 2.5 scale (1) ( 0.32 0.20 6.6 4.5 6.6 0.65 0.20 0.13 6.4 4.3 6.2 REFERENCES JEDEC EIAJ detail 0.75 0.65 1.0 0.2 0.13 0.45 0.45 EUROPEAN PROJECTION Product specification TDA8722 SOT266 ( 0.48 10 0.1 o 0.18 0 ISSUE DATE 90-04-05 95-02-25 ...

Page 23

... Use only a low voltage soldering iron (less than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 23 Product specification TDA8722 ...

Page 24

... I Philips. This specification can be ordered using the code 9398 393 40011. 1998 Jun components conveys a license under the Philips’ system provided the system conforms to the I 24 Product specification TDA8722 2 C patent to use the 2 C specification defined by ...

Page 25

... Philips Semiconductors 2 I C-bus programmable modulator for negative video modulation and FM sound 1998 Jun 23 NOTES 25 Product specification TDA8722 ...

Page 26

... Philips Semiconductors 2 I C-bus programmable modulator for negative video modulation and FM sound 1998 Jun 23 NOTES 26 Product specification TDA8722 ...

Page 27

... Philips Semiconductors 2 I C-bus programmable modulator for negative video modulation and FM sound 1998 Jun 23 NOTES 27 Product specification TDA8722 ...

Page 28

... Tel. +46 8 5985 2000, Fax. +46 8 5985 2745 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2741 Fax. +41 1 488 3263 Taiwan: Philips Semiconductors, 6F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2865, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 209/2 Sanpavuth-Bangna Road Prakanong, BANGKOK 10260, Tel ...

Related keywords