msm7717 Oki Semiconductor, msm7717 Datasheet
msm7717
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msm7717 Summary of contents
Page 1
... MSM7717-01/02/03 Single Rail CODEC GENERAL DESCRIPTION The MSM7717 is a single-channel CODEC CMOS IC for voice signals ranging from 300 to 3400 Hz with filters for A/D and D/A conversion. Designed especially for a single-power supply and low-power applications, the device is optimized for ISDN terminals and telephone terminals in digital wireless systems. ...
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... AIN– LPF AIN+ GSX SGC SG GEN SG – VFRO + SG PWI – AOUT– – AOUT 8th AD TCONT BPF CONV. AUTO PLL ZERO VR GEN RTIM 5th DA LPF CONV. RCONT PWD PWD Logic MSM7717-01/02/03 PCMOUT XSYNC BCLK RSYNC (ALAW) PCMIN PDN 2/19 ...
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... AOUT– PWI 5 VFRO PDN 10 RSYNC 11 PCMIN connect pin 24-Pin Plastic SOP * The ALAW pin is only supported by the MSM7717-01GS-K/MSM7717-01MS- SGC AIN+ AOUT AIN– AOUT– GSX PWI VFRO ...
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... SG AIN+ + AIN– – GSX above and below the signal ground voltage (SG) PP MSM7717-01/02/ variable R2 > > 1/(2 ¥ 3.14 ¥ 30 ¥ R1) (F) Gain = R2/R1 < > > > > ¥ 3.14 ¥ 30 ¥ R5) (F) Gain = £ 10 4/19 ...
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... The power-saving state means that the reference voltage generator (VRGEN), PLL, and receive driver amplifiers are in the operating mode and the other circuits are in the non-operating mode Analog output > 1.2 kW Analog inverted output MSM7717-01/02/03 R6 > Gain = VO/VI = R7/R6 £ 1 5/19 ...
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... However, if the frequency characteristic of an applied system is not specified exactly, this device operates in the range of 8 kHz 2 kHz, but the electrical characteristics in this specification are not guaranteed. Setting this signal to logic "1" or "0" drives both transmit and receive circuits to the power saving state. MSM7717-01/02/03 6/19 ...
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... A pull-up resistor must be connected to this pin because its output is configured as an open drain. This device is compatible with the ITU-T recommendation on coding law and output coding format. The MSM7717-03 (A-law) outputs the character signal, inverting the even bits. Input/Output Level +Full scale +0 – ...
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... ALAW Control signal input of the companding law selection. Only the MSM7717-01GS-K/7717-01MS-K has this pin. The CODEC will operate in the m-law when this pin logic "0" level and the CODEC will has this pin operate in the A-law when this pin logic "1" level. The CODEC operates in the m-law if the pin is left open, since the pin is internally pulled down ...
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... DS t See Timing Diagram DH R Pull-up resistor DL C — DL Transmit gain stage, Gain = 1 V off Transmit gain stage, Gain = 10 — XSYNC, RSYNC, BCLK MSM7717-01/02/03 Rating Unit –0 –0 0.3 V –0 0.3 V –55 to +150 °C Min. Typ. Max. Unit 2.7 3 ...
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... XSYNC, RSYNC, BCLK PCMIN, PDN, ALAW XSYNC, RSYNC, BCLK PCMIN, PDN, ALAW I — — IL Pull-up resistor > 500 — — IN MSM7717-01/02/ –30°C to +85°C) DD Min. Typ. Max. Unit — — 6.5 10.0 — 2.0 8.0 mA — 0.005 0.05 mA 0.45¥V — ...
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... SG AOUT+, AOUT– 0 OAO with respect VFRO with respect to SG OSVF AOUT+, AOUT–, Gain = 1 with V OSAO respect to SG MSM7717-01/02/ –30°C to +85°C) DD Min. Typ. Max. Unit 10 — — — — — ...
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... – 1020 – – – – 1020 – – –55 MSM7717-01/02/ –30°C to +85°C) DD Min. Typ. Max. Unit 20 26 — –0.15 +0.07 +0.2 Reference –0.15 –0.01 +0.2 –0.15 +0.15 +0.2 0 0.4 0.8 –0.15 – ...
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... 1000 2600 2800 TRANS Æ RECV 1020 RECV Æ TRANS MSM7717-01/02/ –30°C to +85°C) DD Min. Typ. Max. Unit –72.5 — *2 –68 dBm0p –70.5 — –76.5 –74 0.338 0.35 0.362 Vrms 0.483 0.5 0.518 – ...
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... PSR PSR R 50 kHz XD1 C = 100 LSTTL L t XD2 t XD3 MSM7717-01/02/ –30°C to +85°C) DD Min. Typ. Max. Unit 30 32 — — –37.5 –35 dBm0 — –52 –35 dBm0 — 30 — ...
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... Fc, the Delay of the MSD bit is defined as t When t SX Receive Timing BCLK RSYNC t WSH PCMIN MSD WSL WSL Figure 1 Basic Timing MSM7717-01/02/ XD3 D8 . XD1 . 15/19 ...
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... AIN– GSX AIN+ SG AOUT+ AOUT– PWI VFRO R3 C3 MSM7717-01/02/ PCM signal output 8 kHz SYNC signal input PCM shift clock input PCM data Control of companding law 1: A-law 0: m-law Power down control input 1: Normal operation 0: Power down /2. DD ...
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... Use a low noise (particularly, low level type of high frequency spike noise or pulse noise) power supply to avoid erroneous operation and the degradation of the characteristics of these devices. pin not lower than –0.3 V even instantaneously to avoid latch- MSM7717-01/02/03 17/19 ...
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... 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). MSM7717-01/02/03 (Unit : mm) Package material Epoxy resin ...
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... 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). MSM7717-01/02/03 (Unit : mm) Package material Epoxy resin ...