Datasheet > MSM7617-002GS-BK

MSM7617-002GS-BK

更新时间： 2024-01-13 06:10:37

品牌	Logo	应用领域
冲电气 - OKI		电信综合业务数字网电信集成电路
页数	文件大小	规格书
28页	197K
描述
ISDN Echo Canceller, 2-Func, CMOS, PQFP64, 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64

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MSM7617-002GS-BK 技术参数

¡ Semiconductor

MSM7617

FEATURES

•Echocancelerhastwochannels, whichcanbeusedforacousticandlineechoes. Setasasingle

cross-connected channel, it can be used for both acoustic and line echoes.

•ITU-T G164/G165 standard tone disabler.

•PCM line level adjustment possible with SIN level attenuator (SA pin) and SOUT level

amplifier (SG pin). Can also be used for ERL amplification with the SIN level attenuator (SA

pin).

•RGCpinprovidesinput/outputadjustmentmode(±6LRmode)thatcanpreventmalfunction

due to excessive inputs without changing the RIN-ROUT input/output levels.

•Excellent acquisition characteristics and fast acquisition time. Sudden changes in the echo

channel can be handled smoothly, eliminating the need for resetting for each calling.

•Cancelable echo delay time:

•Echo attenuation:

55 ms (max.)

30 dB (typ.)

•Clock frequency:

18 to 20 MHz

19.2 MHz if using internal clock signal

•Power supply voltage:

•Package:

4.5 to 5.5 V

64-pin plastic QFP (QFP64-P-1414-0.80-BK)

•Product name:

MSM7617-001GS-BK (m-law)

MSM7617-002GS-BK (A-law) under development

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