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參數(shù)資料
| 型號(hào)： | S5T8557B02-L0B0 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | Series 942-T, 1500 mm [59.0 in] scan distance, M30 plastic housing , connector termination, one analog output (4 mA to 20 mA or 0 Vdc to 10 Vdc), two PNP switching outputs and an RS232 digital link |
| 中文描述： | 1芯片解碼器 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 125K |
| 代理商： | S5T8557B02-L0B0 |
1 CHIP CODEC
S5T8554B/7B
1
INTRODUCTION
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.
FEATURES
Complete CODEC and filtering system
Meets or exceeds AT&T D3/D4 and CCITT specifications
μ
-Law: S5T8554B, A-Law: S5T8557B
On-chip auto zero, sample and hold, and precision voltage references
Low power dissipation: 60mW (operating), 3mW (standby)
± 5V operation
TTL or CMOS compatible
Automatic power down
ORDERING INFORMATION
Device
Package
Operating Temperature
S5T8554B02-L0B0
S5T8557B02-L0B0
16-CERDIP
25
°
C to 125
°
C
S5T8554B01-D0B0
S5T8557B01-D0B0
16-DIP-300A
25
°
C to +70
°
C
S5T8554B01-S0B0
S5T8557B01-S0B0
16-SOP-BD300
25
°
C to +70
°
C
16-CERDIP
16-DIP-300A
8
DIP
300
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