MSM7586-xx Datasheet | OKI Electric

E2U0034-28-82 ¡ Semiconductor MSM7586-01/03 ¡ Semiconductor p/4 Shift QPSK MODEM/ADPCM CODEC This version: Aug. 1998 MSM7586-01/03 Previous version: Nov. 1996 GENERAL DESCRIPTION The MSM7586 is a CMOS IC developed for use with digital cordless telephones. The device provides a p/4 shift QPSK modem function and a CODEC function which performs transcoding between the voice band analog signal and 32 kbps ADPCM data. The MSM7586 performs DTMF tone and several types of tone generation, transmit/receive data, mute and gain control, side-tone pass and its gain control, and VOX function. Features (p/4 Shift QPSK Modem Unit) - 384 kbps transmission speed - Built-in root Nyquist digital filter for the baseband band limiter - Built-in D/A converters for the analog outputs of the quadrature signal ponent I and Q - The DC offset and gain can be adjusted with respect to the differential I and Q analog outputs - pletely digitized p/4 shift QPSK demodulator system (ADPCM CODEC Unit) - ADPCM system: built-in ITU-T Remendations G.726 (32kbps, 24 kbps, 16 kbps) - Transmit/receive full-duplex capability - PCM interface code format: selectable between m-law and A-law - Serial ADPCM and PCM transmission rate: 64 kbps to 2,048 kbps - Transmit/receive mute function; transmit/receive programmable gain setting - Side tone generator (8-step level adjustment) - Built-in DTMF tone, ringing tone, and various ringing tone generators - Built-in VOX function (mon Unit) - Operate with a single 3 V power supply (VDD: 2.7 V to 3.6 V) - Low power consumption When entire system is operating: 20 m A Typ. When powered down: 0.02 m A Typ. - Package: 100-pin plastic TQFP (TQFP100-P-1414-0.50-K) (Product name: MSM7586-01TS-K) (Product name: MSM7586-03TS-K) 1/42 ¡ Semiconductor MSM7586-01/03 BLOCK DIAGRAM VDDM VDAM RXSC SL1 SL2 DGM AGM PDN0 PDN1 PDN2...