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MSM7544 数据表 (PDF) - OKI electronic componets

MSM7544 Datasheet PDF - OKI electronic componets
部件名 MSM7544
下载  MSM7544 下载

文件大小   159.98 Kbytes
  19 Pages
制造商  OKI [OKI electronic componets]
网页  http://www.oki.com
标志 OKI - OKI electronic componets
功能描述 Single Rail CODEC

MSM7544 Datasheet (PDF)

Go To PDF Page 下载 数据表
MSM7544 Datasheet PDF - OKI electronic componets

部件名 MSM7544
下载  MSM7544 Click to download

文件大小   159.98 Kbytes
  19 Pages
制造商  OKI [OKI electronic componets]
网页  http://www.oki.com
标志 OKI - OKI electronic componets
功能描述 Single Rail CODEC

MSM7544 数据表 (HTML) - OKI electronic componets

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MSM7544 产品详情

GENERAL DESCRIPTION

The MSM7543 and MSM7544 are single-channel CODEC CMOS ICs for voice signals ranging from 300 to 3400 Hz. These devices contain filters for A/D and D/A conversion.

Designed especially for a single-power supply and low-power applications, these devices are optimized for telephone terminals in digital wireless systems, ISDN terminals, and digital PBXs. The MSM7543 and MSM7544 use newly-designed operational amplifiers to keep small current deviations caused by power voltage fluctuations.

The devices use the same transmission clocks as those used in the MSM7508B and MSM7509B.

The analog output signal, which is of a differential type and can drive a 600 W load, can directly drive a handset receiver



FEATURES

• Single power supply: +5 V ±5%

• Low power consumption

   Operating mode: 20 mW Typ. 31.5 mW Max. VDD = 5 V

   Power save mode: 4.5 mW Typ. 8 mW Max. VDD = 5 V

   Power down mode: 1.5 mW Typ. 3 mW Max. VDD = 5 V

• ITU-T Companding law

   MSM7543: m-law

   MSM7544: A-law

• The transmission characteristics of the devices comply with ITU-T G.714

• Built-in PLL eliminates a master clock

• Serial data rate: 64/128/256/512/1024/2048 kHz

                       96/192/384/768/1536/1544 kHz

• Adjustable transmit gain

• Adjustable receive gain

• Built-in reference voltage supply

• Built-in analog loop back test mode

• Differential type analog output. Directly drives a 600 W line transformer

• Package options:

   20-pin plastic skinny DIP (DIP20-P-300-2.54-S1) (Product name : MSM7543RS)

                                                                  (Product name : MSM7544RS)

   24-pin plastic SOP (SOP24-P-430-1.27-K) (Product name : MSM7543GS-K)

                                                         (Product name : MSM7544GS-K)

   26-pin plastic TSOP (TSOPII26/20-P-300-1.27-K) (Product name : MSM7543TS-K)

                                                                  (Product name : MSM7544TS-K)



 




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