msm7512b Oki Semiconductor, msm7512b Datasheet
msm7512b
Available stocks
Related parts for msm7512b
msm7512b Summary of contents
Page 1
... MSM7512B 1200 bps Half Duplex FSK Modem – ITU-T V.23 GENERAL DESCRIPTION The MSM7512B is useful for the ITU-T V.23 modem, for examples, low cost built-in modems, telecontrol systems, home security systems, etc. The family version, MSM7510 for ITU-T V.21, will be available following this device. ...
Page 2
... AO (3) EAI (4) X1 (6) OSC X2 (7) CLK ( (1) GND (5) FSK & ANS Bandpass AOG Filter *R3 – *R2 + CLK GEN. SG GEN ≥ for MSM7512BRS MSM7512B RD (9) Demodulator CD (10) XD (11) Modulator RS (12) TEST (13) MOD1 (14) CONT. MOD2 (15) AOG (16) 2/12 ...
Page 3
... Plastic DIP 16 AOG MOD2 MOD1 TEST 13 EAI GND CLK 12 24-Pin Plastic SOP connect pin MSM7512B 24 AOG MOD2 MOD1 TEST 3/12 ...
Page 4
... When digital "0" is applied to RS, transmitting becomes enable. Chip test input. TEST should be open or digital "1". Operation mode select. Refer to Table 1. Analog transmit signal amplitude select. Digital "1" Æ –10 dBm Typ Digital "0" Æ –4 dBm Typ MSM7512B 4/12 ...
Page 5
... Power Down Mode SS V — — 1 –0 MSM7512B Rating Unit –0 –0 0 –55 to +150 °C Min. Typ. Max. Unit +2.7 — +5.5 V –40 — +85 °C –0.1 — +0 — ...
Page 6
... V AO EAI AOG = "1" V (MARK) – V (SPACE kHz to 8 kHz P : In-band Signal 8 kHz to 12 kHz Energy More than12 kHz — MSM7512B Min. Typ. Max. Unit 1296 1300 1304 Hz 2096 2100 2104 Hz 386 390 394 Hz 446 450 ...
Page 7
... V to +5.5 V, Top = –40°C to +85°C) DD Condition FSK Signal OFF Æ ON FSK Signal, (1: OFF Æ OFF Æ OFF See Fig. 1 1200 bps, 1:1 Pattern AI EAI t MSM7512B Min. Typ. Max. Unit — — –6 dBm — — –42 dBm –48 — — dBm — ...
Page 8
... FSK Transmit Mode (Fig.2) FSK Receive & 75 bps Transmit Mode (Fig.3) Analog Loop Back Test Mode (Fig. 4) Power Down Mode Demodulator Modulator Figure 2 FSK Transmit Mode Demodulator Modulator Figure 3 FSK Receive Mode Demodulator Modulator MSM7512B Mode DTE XD RD DTE XD RD DTE ...
Page 9
... AOG DD AI MOD2 AO MOD1 600 W TEST EAI RS GND 3.58 MHz CLK RD 8 MSM7512BRS 600 W EAI GND 100 pF CLK 8 2.2 mF MSM7512B 16 CONT other circuit 16 AOG MOD2 MOD1 TEST CONT External Analog Transmit Signal 9/12 ...
Page 10
... If you desire to change the transmitting level or detecting level, adjust the external circuit by referring to the following circuit VAOL – + Line 600 W VAIL Line transmitting level : V IC input level – 600 W R3 – ¥ (R2/R1) AOL AIL ¥ (R4/R3) AI MSM7512B 2.2 mF VAO 2.2 mF VAI 10/12 ...
Page 11
... Semiconductor PACKAGE DIMENSIONS DIP16-P-300-2.54 MSM7512B (Unit : mm) Package material Epoxy resin Lead frame material 42 alloy Pin treatment Solder plating Solder plate thickness more Package weight (g) 0.99 TYP. 11/12 ...
Page 12
... Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). MSM7512B (Unit : mm) Package material Epoxy resin ...