1 CHIP CODEC
S5T8554B/7B
INTRODUCTION
16-CERDIP
The S5T8554B/7B are single-chip PCM encoders and decoders
(PCM CODECs) and PCM line filters. These devices provide all the
functions required to interface a full-duplex voice telephone circuit
with a time-division-multiplex (TDM) system.
These devices are designed to perform the transmit encoding and
receive decoding as well as the transmit and receive filtering
functions in PCM system. They are intended to be used at the
analog termination of a PCM line or trunk.
These devices provide the bandpass filtering of the analog signals
prior to encoding and after decoding. These combination devices
perform the encoding and decoding of voice and call progress tones
as well as the signalling and supervision information.
16-DIP-300A
8鈭扗IP鈭?00
FEATURES
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Complete CODEC and filtering system
Meets or exceeds AT&T D3/D4 and CCITT specifications
碌-Law:
S5T8554B, A-Law: S5T8557B
On-chip auto zero, sample and hold, and precision voltage references
Low power dissipation: 60mW (operating), 3mW (standby)
鹵 5V operation
TTL or CMOS compatible
Automatic power down
ORDERING INFORMATION
Device
S5T8554B02-L0B0
S5T8557B02-L0B0
S5T8554B01-D0B0
S5T8557B01-D0B0
S5T8554B01-S0B0
S5T8557B01-S0B0
Package
16-CERDIP
16-DIP-300A
16-SOP-BD300
Operating Temperature
鈭?5擄C
to 125擄C
鈭?5擄C
to +70擄C
鈭?5擄C
to +70擄C
1
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描述
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