MSM7510

E2A0013-16-X1 ¡ Semiconductor MSM7510 Semiconductor 300 bps Full Duplex FSK Modem – ITU-T V.21 This version: Jan. 1998 MSM7510 Previous version: Nov. 1996 GENERAL DESCRIPTION The MSM7510 is useful for the ITU-T V.21 modem, for examples, low cost built-in modems, telecontrol systems, home security systems, etc. The family version, MSM7512B for ITU-T V.23, will be available following this device. Oki has been mass-producing and delivering the MSM6926 and 6927 for a long time, but these devices need two power supplies, +5 V for digital and +12 V for analog. New generation devices, MSM7510/7512B, work with single rail +3 V to +5 V and low power consumption. FEATURES Conforms to ITU-T V.21, 300 bps Full Duplex ITU-T V.25 Answer Tone (2100 Hz) with Generator/Detector Single Power Supply : +3 V to +5 V Low Power Consumption Operating Mode: 25 mW Typ. Power Down Mode : 0.1 mW Max. Line Hybrid Circuit on Chip (direct drive capability of 600W) ALB (Analog–Loop back) with test mode. 3.579545 MHz Crystal Oscillator Digital Interface: TTL Package options: 16-pin plastic DIP (DIP16-P-300-2.45) (Product name: MSM7510RS) 24-pin plastic SOP (SOP24-P-430-1.27-K) (Product name: MSM7510GS-K) 1/12 Semiconductor MSM7510 BLOCK DIAGRAM AI (2) + – Demodulator FSK & ANS Bandpass Filter Modulator *R3 *R2 – *R1 *R1 *R2 *R2 + AOG RD (9) CD (10) XD (11) RS (12) AO (3) EAI (4) X1 (6) X2 (7) CLK (8) VDD (1) GND (5) O/A (13) OSC CLK GEN. CONT. MOD2 (15) SG GEN. AOG (16) MOD...