MSM7533H Oki Semiconductor, MSM7533H Datasheet

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MSM7533H

Manufacturer Part Number
MSM7533H
Description
2ch Single Rail CODEC
Manufacturer
Oki Semiconductor
Datasheet

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E2U0020-28-81
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MSM7533H/7533V/7534
2ch Single Rail CODEC
GENERAL DESCRIPTION
The MSM7533 and MSM7534 are two-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
contain two-channel AD/DA converters in a single chip and achieve a reduced footprint and a
reduced number of external components.
The MSM7533 and MSM7534 are best suited for an analog interface to an echo canceller DSP used
in digital telephone terminals, digital PABXs, and hands free terminals.
FEATURES
• Single power supply: +5 V
• Power consumption
• ITU-T Companding law
• Built-in PLL eliminates a master clock
• The PCM interface can be switched between 2 channel serial/parallel
• Transmission clock: 64/128/256/512/1024/2048 kHz
• Adjustable transmit gain
• Built-in reference voltage supply
• Analog output can directly drive a 600 W line transformer
• Package options:
Operating mode:
Power save mode:
Power down mode:
20-pin plastic skinny DIP (DIP20-P-300-2.54-S1) (Product name : MSM7533HRS)
24-pin plastic SOP (SOP24-P-430-1.27-K)
MSM7533H:
MSM7534:
MSM7533V:
m-law
A-law
m/A-law pin selectable
96/192/384/768/1536/1544/200 kHz
(During 2 channel serial mode, the 64 and 96 kHz clocks are disabled)
0.05 mW Typ.
35 mW Typ.
7 mW Typ.
0.3 mW Max.
74 mW Max.
16 mW Max.
(Product name : MSM7533VRS)
(Product name : MSM7534RS)
(Product name : MSM7533HGS-K)
(Product name : MSM7533VGS-K)
(Product name : MSM7534GS-K)
Previous version: Nov. 1996
V
V
V
DD
DD
DD
This version: Aug. 1998
MSM7533H/7533V/7534
= 5 V
= 5 V
= 5 V
1/18

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MSM7533H Summary of contents

Page 1

... Adjustable transmit gain • Built-in reference voltage supply • Analog output can directly drive a 600 W line transformer • Package options: 20-pin plastic skinny DIP (DIP20-P-300-2.54-S1) (Product name : MSM7533HRS) 24-pin plastic SOP (SOP24-P-430-1.27-K) This version: Aug. 1998 MSM7533H/7533V/7534 Previous version: Nov. 1996 74 mW Max ...

Page 2

... GSX2 5th – LPF AOUT1 + 5th – LPF AOUT2 + SG SGC GEN 8th AD BPF CONV. 8th BPF AUTO ZERO S&H DA CONV. S&H VR GEN MSM7533H/7533V/7534 DOUT1 DOUT2 TCONT XSYNC PLL BCLK RTIM RSYNC (ALAW) CHPS RCONT DIN1 DIN2 PDN PWD Logic 2/18 ...

Page 3

... AIN2 SGC 1 AOUT2 2 GSX2 NC 3 AOUT1 4 GSX1 PDN 5 AIN1 CHPS (ALAW RSYNC 10 BCLK DIN2 11 XSYNC DIN1 connect pin DOUT2 24-Pin Plastic SOP DOUT1 MSM7533H/7533V/7534 24 AIN2 23 GSX2 22 GSX1 21 AIN1 (ALAW BCLK 15 XSYNC 14 DOUT2 13 DOUT1 3/18 ...

Page 4

... R2 GSX1 AIN1 – GSX2 AIN2 – + above and below the signal ground voltage (SG). PP MSM7533H/7533V/7534 CH1 Gain Gain = R2/R1 £ 10 R1: Variable R2 > > 1/(2 ¥ 3.14 ¥ 30 ¥ R1) CH2 Gain Gain = R4/R3 £ 10 R3: Variable R4 > > 1/(2 ¥ 3.14 ¥ 30 ¥ R3) 4/18 ...

Page 5

... Shift clock signal input for the DIN1, DIN2, DOUT1, and DOUT2 signals. The frequency, equal to the data rate, is 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 1544, 2048, or 200 kHz. Setting this signal to logic "1" or "0" drives both transmit and receive circuits to the power saving state. MSM7533H/7533V/7534 5/18 ...

Page 6

... However, if the frequency characteristic of the system used is not strictly specified, this device can operate in the range of 6 kHz to 9 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 power saving state. MSM7533H/7533V/7534 6/18 ...

Page 7

... A pull-up resistor must be connected to this pin because open drain output. This device is compatible with the ITU-T recommendation on coding law and output coding format. The MSM7534(A-law) outputs the character signal, inverting the even bits. PCMIN/PCMOUT MSM7533H (m-law) MSD ...

Page 8

... Provides only for the MSM7533VRS/MSM7533VGS-K. The CODEC will operate in the m-law when this pin logic "0" level and the CODEC will 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 this pin is internally pulled down. MSM7533H/7533V/7534 8/18 ...

Page 9

... DIN1, DIN2 DS t DIN1, DIN2 DH R Pull-up resistor, DOUT1, DOUT2 DL C DOUT1, DOUT2 DL Transmit gain stage, Gain = 1 V off Transmit gain stage, Gain = 10 — XSYNC, RSYNC MSM7533H/7533V/7534 Rating Unit –0 0 –0 0 –55 to +150 °C Min. Typ. ...

Page 10

... OSGX Symbol Condition AOUT1, AOUT2 (each) with R LAO respect AOUT1, AOUT2 LAO AOUT1, AOUT2 0.6 kW OAO with respect to SG AOUT1, AOUT2 V OSAO with respect to SG MSM7533H/7533V/7534 ( ±5 –30°C to +85°C) DD Min. Typ. Max. Unit — 7.0 14.0 mA — 1.3 3.0 mA — 0.01 0.05 mA 2.2 — ...

Page 11

... SD R5 – – 1020 – – – – 1020 – – –55 MSM7533H/7533V/7534 ( ±5 –30°C to +85°C) DD Min. Typ. Max. Unit 20 26 — dB –0.15 +0.07 +0.20 dB Reference dB –0.15 –0.04 +0.20 dB –0.15 +0.06 +0. ...

Page 12

... R3 1000 2600 2800 TRANS Æ RECV 1020 RECV Æ TRANS MSM7533H/7533V/7534 ( ±5 –30°C to +85°C) DD Min. Typ. Max. Unit –73.5 –70 — –71.5 dBmOp –68 — –78 –75 0.821 0.850 0.880 Vrms ...

Page 13

... PSR PSR R 50 kHz XD1 C = 100 LSTTL L t XD2 t XD3 MSM7533H/7533V/7534 ( ±5 –30°C to +85°C) DD Min. Typ. Max. Unit 30 32 — dB — –37.5 –35 dBmO — –52 –35 dBmO — ...

Page 14

... D5 D6 Transmit Side Receive Side MSD CH2 PCM Data Transmit Side MSD CH2 PCM Data Receive Side MSM7533H/7533V/7534 XD3 14/ ...

Page 15

... IRLD HCL SYNCO ADP SCKO ATT RST V SS PWDWN CKSEL MSM7533H/7533V/7534 + 2CH Multiplex PCM (Open) Signal Output 2CH Multiplex PCM 0 V Signal Intput Bit Clock Input Sync Pulse Input Power Down Control Input 1: Operation 0: Power Down 0 V SOUT ...

Page 16

... 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- MSM7533H/7533V/7534 16/18 ...

Page 17

... Semiconductor PACKAGE DIMENSIONS DIP20-P-300-2.54-S1 MSM7533H/7533V/7534 (Unit : mm) Package material Epoxy resin Lead frame material 42 alloy Pin treatment Solder plating more Solder plate thickness Package weight (g) 1.49 TYP. 17/18 ...

Page 18

... 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). MSM7533H/7533V/7534 (Unit : mm) Package material Epoxy resin ...

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