參數資料
型號: UPD9611GT
廠商: NEC Corp.
元件分類: Codec
英文描述: FOUR-CHANNEL PCM CODEC
中文描述: 四通道的PCM編解碼器
文件頁數: 1/28頁
文件大小: 161K
代理商: UPD9611GT
MOS INTEGRATED CIRCUIT
μ
PD9611
The information in this document is subject to change without notice.
Document No. S11018EJ2V0DS00 (2nd edition)
Date Published October 1996 P
Printed in Japan
The
μ
PD9611 incorporates 4-channel A-law/
μ
-law PCM CODECs compliant with ITU-T Recommendation G.711/
G.714 and is suitable for applications such as PBX analog subscriber line circuits.
Its gain setting circuit allows transmit/receive gain to be set for 4 channels independently by externally inputting
digital signals.
FEATURES
Single-chip CMOS monolithic LSI
ITU-T Recommendation G.711/G.714 compliant
Four-channel PCM CODECs integrated on a single chip
Compatible with A-law and
μ
-law
Digital gain setting for each channel
Transmit : +7.5 to –8.0 dB (0.5 dB step)
Receive : 0 to –15.5 dB (0.5 dB step)
Data transfer system: Transmit/receive synchronization
Data rate: 2048 kHz
+5 V single power supply
Power down function for each channel
Low power consumption
ORDERING INFORMATION
Part Number
Package
μ
PD9611GT
48-pin shrink SOP (375 mil)
FOUR-CHANNEL PCM CODEC
1996
PRELIMINARY DATA SHEET
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