Multimedia ICs

Video switch for CANAL-Plus decoder

BA7632AF

The BA7632AF is an audio-switching ICs for decoders for scrambled pay channels used in France and other contries. The ICs include a five-input multiplexer, a four-input multiplexer and a two-input multiplexer, and allow decoder audio switching to be done with a single IC. When used in combination with the BA7630S common logic control can be used for audio and video switching. The BA7632AF has larger termination resistors on the inputs than the BA7631 and BA7631F.
Applications recorders Video cassette Features 1) All the audio-switching functions required for SECAM
CANNAL-plus decoder integrated onto one chip. 2) Inputs terminated with 140k resistors. 3) Built-in output buffer. 4) Wide supply voltage range (4.5V to 13.0V). 5) Low total harmonic distortion (Max. 0.005% Typ.). 6) Wide dynamic range (3.6Vrms, VCC = 12V). 7) Same control logic as for the BA7630S can be used.
Absolute maximum ratings (Ta = 25C)
Parameter Applied voltage Power dissipation Operating temperature Storage temperature Symbol VCC Pd Topr Tstg Limits 13.25 ~ + ~ + 125 Unit V mV C C
Reduced by 5mW for each increase in Ta of 1C over 25C.
Recommended operating conditions (Ta = 25C)
Parameter Power supply voltage Symbol VCC Limits 4.5 ~ 13.0 Unit V

Block diagram

OUTBF BF 16 OUT2

Truth OUT1 table SW1

CTL1 L L H H CTL2 L H L H CTL5 L L L L H SELECT IN1 IN2 IN3 MUTE IN5

Pin descriptions

Pin No. CTL5 L L H H SELECT IN1 IN3 IN5 IN14 SELECT IN2 IN16 Pin Name OUT1 CTL4 IN5 VCC IN4 GND2 IN1 CTL1 IN2 GND1 IN3 CTL2 OUT3 CTL3 CTL5 OUT2 Output 1 Control 4 Input 5 Power supply Input 4 GND (GND1 common) Input 1 Control 1 Input 2 GND (GND2 common) Input 3 Control 2 Output 3 Control 3 Control 5 Output 2 Function

Don't care

OUT2 SW2

CTL3 L H L H

OUT3 SW3

CTL4 L H

Input / output circuits

14k 10k 36k 30k

3, 5, 7, 9, 11

VCC 100

25 1.8mA

140k 125A

Electrical characteristics (unless otherwise noted, Ta = 25C and V
Parameter Recommended operating voltage Supply current Maximum output level Voltage gain Total harmonic distortion Interchannel crosstalk Input conversion noise voltage CTL switch level Input impedance
Not designed for radiation resistance.

= 12V)

Unit V mA Vrms dB % dB Vrms V k Conditions f = 1MHz, THD = 0.5% f = 1kHz, VIN = 3.0dBm f = 1kHz, VIN = 3.0dBm f = 10kHz, VIN = 3.0dBm 30kHz LPF, Rg = 2.2k
Symbol VCC ICC Vom GV THD CTM VMin. VTH ZIN
Min. 4.5 3.1 0.5 1.0 110
Typ. 12.0 14.9 3.0.20.0 2.0 140
Max. 13.0 24.0 0.5 0.40.0 3.0 165
Ciruit operationmakes it easy to construct a decoder The BA7632AF
for the scrambled pay channels. They have been designed specifically for audio signal decoding. As shown in the application examples in Figs. 1 and 2, there are inputs for TV, VCR, decoder, and AUX, to
cover a wide range of applications. When the AUX input is not used, by setting CTL5 to L, the system construction becomes the same as that of the BA7630S, and the BA7630S switching logic can be used as is.

Application examples

22F to VTR IN CTL4 for SW3 22F from EXT OUT

22F SW8 SW10 22F

BF 3 SW2
to DECODER IN CTL5 for SW2 CTL3 for SW2 to TV IN CTL2 for SW1

VCC 47

22F 11

22F from VTR OUT

from TV OUT
from VTR TUNER OUT CTL1 for SW1

from DECODER OUT

VCR TUNER IN OUT 22F

7 SW5 BF 1 22F

DECODER

IN OUT

CTL5 22F

(AUX) EXT

1 SW3 BF 2 13
Electrical characteristic curves
TOTAL HARMONIC DISTORTION (%) 0.100 MAX OUTPUT LEVEL (Vrms) 5.0 4.0
0.010 VCC = 12.0 (V) f = 1 (kHz)
2.0 VCC = 12 (V) f = 1 (kHz) THD = 0.5 (%)

0.001 0

INPUT VOLTAGE (Vrms)

POWER SUPPLY VOLTAGE (V)

Fig. 3 Distortion characteristics
Fig. 4 Power supply voltage vs. dynamic range characteristics
External dimensions (Units: mm)

10.0 0.6.2 0.3 4.4 0.2 9

1 1.5 0.1

0.4 0.1

0.3Min. 0.15

0.15 0.1

This datasheet has been download from: www.datasheetcatalog.com Datasheets for electronics components.

Multimedia ICs

Video switch for CANAL-Plus decoder

BA7631 / BA7631F

The BA7631 and BA7631F are audio-switching ICs for decoders for scrambled pay channels used in France and other countries. The ICs include a five-input multiplexer, a four-input multiplexer and a two-input multiplexer, and allow decoder audio switching to be done with a single IC. When used in combination with the BA7630S common logic control can be used for audio and video switching.
Applications recorders Video cassette Features 1) All the audio-switching functions required for SECAM
CANAL -plus decoder integrated onto one chip. 2) Inputs terminated with 65k resistors. 3) Built-in output buffer. 4) Wide supply voltage range (4.5V to 13.0V). 5) Low total harmonic distortion (0.005% Typ.). 6) Wide dynamic range (3.6Vrms, VCC = 12V). 7) Same control logic as for the BA7630S can be used.

Absolute maximum ratings

Parameter Applied voltage Power dissipation Operating temperature Storage temperature Symbol VCC Pd Topr Tstg Limits 13.(DIP) 500 (SOP) 25 ~ + ~ + 125 Unit V mV C C
Reduced by 11mW (DIP) or 5mW (SOP) for each increase in Ta of 1C over 25C.
Recommended operating conditions (Ta = 25C)
Parameter Power supply voltage Symbol VCC Limits 4.5 ~ 13.0 Unit V

Block diagram

OUTBF BF 16 OUT2

BA7631

table Truth SW1 block OUT1
CTL1 L L H H CTL2 L H L H CTL5 L L L L H SELECT IN1 IN2 IN3 MUTE IN5

Pin descriptions

Pin No. Pin name OUT1 CTL4 IN5 VCC IN4 GND2 IN1 CTL1 IN2 GND1 IN3 CTL2 OUT3 CTL3 CTL5 OUT2 Function Output 1 Control 4 Input 5 Power supply Input 4 GND (GND1 common) Input 1 Control 1 Input 2 GND (GND2 common) Input 3 Control 2 Output 3 Control 3 Control 5 Output 2

Don't care

OUT2 SW2 block
CTL3 L H L H CTL5 L L H H SELECT IN1 IN3 IN5 IN3

OUT3 SW3 block

CTL4 L H SELECT IN2 IN4

Input / output circuits

VCC Q1 N

14k 10k 36k 30k

3, 5, 7, 9, 11

VCC 25 1.8mA 6.0V

65k 125A

30A 100

Electrical characteristics (unless otherwise noted, Ta = 25C and V
Parameter Recommended operating voltage Circuit current Maximum output level Voltage gain Total harmonic distortion Interchannel crosstalk Input conversion noise voltage CTL switch level Input impedance
Not designed for radiation resistance.
Unit V mA Vrms dB % dB Vrms V k Conditions f = 1MHz, THD = 0.5% f = 1kHz, VIN = 3.0dBm f = 1kHz, VIN = 3.0dBm f = 10kHz, VIN = 3.0dBm 30kHz LPF, Rg = 2.2k
Symbol VCC ICC Vom GV THD CTM VMin. VTH ZIN
Min. 4.5 3.1 0.5 1.0 48.5
Typ. 12.0 14.9 3.0.20.0 2.0 65
Max. 13.0 24.0 0.5 0.40.0 3.0 80.5
Circuit operationBA7631F make it easy to construct a decoder for the scrambled pay channels. They have been The BA7631 and
designed specifically for audio signal decoding. As shown in the application examples in Figs. 1 and 2, there are inputs for TV, VCR, decoder, and AUX, to cover a wide range of applications. When the AUX input is not used, by setting CTL5 to L, the system construction becomes the same as that of the BA7630S, and the BA7630S switching logic can be used as is.

Application example

To VTR IN CTL4 for SW3 from EXT OUT
To DECODER IN CTL5 for SW2 CTL3 for SW2 To TV IN CTL2 for SW1

22F + VCC 47

14 BF 11 22F +

from VTR OUT

from TV OUT
from VTR TUNER OUT CTL1 for SW1

+ 22F from DECODER OUT

VTR TUNER IN OUT 22F +

7 SW8 CTL1 BF 1 22F +

DECODER IN OUT

12 CTL2

14 CTL3

IN OUT

SW4 BF

15 CTL5 22F + 22F +

(AUX) EXT

1 SW3 BF 2 13

2 CTL4
Electrical characteristic curves
TOTAL HARMONIC DISTORTION (%) 0.100 Max. OUTPUT LEVEL (Vrms) VCC = 12.0 (V) f = 1 (kHz) 5.0 4.0
VCC = 12.0 (V) f = 1 (kHz) THD = 0.5 (%)

INPUT VOLTAGE: (Vrms)

POWER SUPPLY VOLTAGE: (V)