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The CS8403A and CS8404A are digital audio transmit-ters which support 96 kHz sample rate operation. Thedevices encode and transmit audio data according to theAES/EBU, IEC958, S/PDIF, & EIAJ CP-340 interfacestandards. The CS8403A and CS8404A accept audio and digital data, which is then multiplexed, encoded and driven onto a cable. The audio serial port is double buff-ered and capable of supporting a wide variety of formats.
The CS8403A has a configurable internal buffer memo-ry, loaded via a parallel port, which may be used to bufferchannel status, auxiliary data, and/or user data.
The CS8404A multiplexes the channel, user, and validitydata directly from serial input pins with dedicated inputpins for the most important channel status bits.
CS8404A Maximum Ratings
Parameters
Symbol
Min
Max
Units
DC Power Supply
VD+
-
6.0
V
Input Current, Any Pin Except Supply Note 1
Iin
-
±10
mA
Digital Input Voltage
VIND
-0.3
VD+
V
Ambient Operating Temperature (power applied)
TA
-55
125
°C
Storage Temperature
Tstg
-65
150
°C
CS8404A Features
Sample rates up to 108 kHz Supports: AES/EBU, IEC 958, S/PDIF, & EIAJ CP-340 professional and consumer formats Generates CRC codes and parity bits On-Chip RS422 line driver Configurable buffer memory (CS8403A) Transparent mode allows direct connection of CS8404A and CS8414 or CS8403A and CS8413 Pin compatible with CS8401A and CS8402A