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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.
BA7632AF Maximum Ratings
Parameter
Symbol
Limits
Unit
Applied voltage
Vcc
13.5
V
Power dissipation
Pd
500*
mV
Operating temperature
Topr
−25 ~+70
Storage temperature
Tstg
−55 ~+125
BA7632AF Features
All the audio-switching functions required for SECAM CANNAL-plus decoder integrated onto one chip. Inputs terminated with 140kW resistors. Built-in output buffer. Wide supply voltage range (4.5V to 13.0V). Low total harmonic distortion (Max. 0.005% Typ.). Wide dynamic range (3.6Vrms, VCC = 12V). Same control logic as for the BA7630S can be used.
BA7632AF Typical Application
Video cassette recorders
BA7632AF Connection Diagram
BA7644AN Parameters
Technical/Catalog Information
BA7644AN
Vendor
Rohm
Category
Integrated Circuits (ICs)
Lead Free Status
Lead Free
RoHS Status
RoHS Compliant
Other Names
BA7644AN BA7644AN
BA7644AN General Description
The BA7644AN is a four-channel analog multiplexer with mute, designed for use in video cassette recorders. It features a wide dynamic range, and wide operating frequency range, and is suitable for switching audio and video signals.
BA7644AN Maximum Ratings
Parameter
Symbol
Limits
Unit
Power supply voltage
Vcc
13.5
V
Power dissipation
Pd
850*
mW
Operating temperature
Topr
-25~+75
Storage temperature
Tstg
-55~+125
BA7644AN Features
4-input / 1-output switches. Built-in mute. Wide operating supply voltage range (4.5V to 13.0V). Low power consumption (48mW Typ.). Excellent frequency characteristics (10MHz, 0dB Typ.). Wide dynamic range (3.5VP-P Typ.). High input impedance (20k Typ.). Low interchannel crosstalk ( 65dB Typ., f = 4.43MHz).