MSM7533V Oki Semiconductor, MSM7533V Datasheet

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MSM7533V

Manufacturer Part Number
MSM7533V
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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MSM7533V Summary of contents

Page 1

... 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 Max 0.3 mW Max (Product name : MSM7533VRS) (Product name : MSM7534RS) (Product name : MSM7533HGS-K) (Product name : MSM7533VGS-K) (Product name : MSM7534GS-K) 1/18 ...

Page 2

Semiconductor BLOCK DIAGRAM AIN1 – RC LPF + GSX1 AIN2 – LPF GSX2 5th – LPF AOUT1 + 5th – LPF AOUT2 + SG SGC GEN 8th AD BPF CONV. 8th BPF AUTO ZERO S&H DA CONV. ...

Page 3

... AOUT1 3 18 PDN 4 17 CHPS RSYNC 8 13 DIN2 9 12 DIN1 10 11 20-Pin Plastic Skinny DIP * The ALAW pin is only applied to the MSM7533VRS/MSM7533VGS-K. AIN2 SGC 1 AOUT2 2 GSX2 NC 3 AOUT1 4 GSX1 PDN 5 AIN1 CHPS (ALAW RSYNC ...

Page 4

Semiconductor PIN AND FUNCTIONAL DESCRIPTIONS AIN1, AIN2, GSX1, GSX2 AIN1 and AIN2 are the transmit analog inputs for channels 1 and 2. GSX1 and GSX2 are the transmit level adjustments for channels 1 and 2. AIN1 and AIN2 are ...

Page 5

Semiconductor V DD Power supply for + power supply for an analog circuit of the system which the device is applied should be used. A bypass capacitor of 0 with excellent high frequency ...

Page 6

Semiconductor RSYNC Receive synchronizing signal input. The eight bits PCM data required are selected from serial PCM signals on the DIN1 and DIN2 pins by the receive synchronizing signal. Signals in the receive section are synchronized by this synchronizing ...

Page 7

Semiconductor DOUT1 PCM signal output of channel 1 when the parallel mode is selected. The PCM output signal is output from MSD in a sequential order, synchronizing with the rising edge of the BCLK signal. MSD may be output ...

Page 8

... ALAW Control signal input of the companding law selection. 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 ...

Page 9

Semiconductor ABSOLUTE MAXIMUM RATINGS Parameter Power Supply Voltage Analog Input Voltage Digital Input Voltage Storage Temperature RECOMMENDED OPERATING CONDITIONS Parameter Power Supply Voltage Operating Temperature Analog Input Voltage Digital Input High Voltage Digital Input Low Voltage Clock Frequency Sync ...

Page 10

Semiconductor ELECTRICAL CHARACTERISTICS DC and Digital Interface Characteristics Parameter Power Supply Current Input High Voltage Input Low Voltage High Level Input Leakage Current Low Level Input Leakage Current Digital Output Low Voltage Digital Output Leakage Current Input Capacitance Transmit ...

Page 11

Semiconductor AC Characteristics Parameter Transmit Frequency Response Receive Frequency Response Transmit Signal to Distortion Ratio Receive Signal to Distortion Ratio Transmit Gain Tracking Receive Gain Tracking *1 Psophometric filter is used Freq. Level Symbol Condition (Hz) (dBm0) Loss T1 ...

Page 12

Semiconductor AC Characteristics (Continued) Parameter Idle Channel Noise Absolute Level (Initial Difference) Absolute Level (Deviation of Temperature and Power) Absolute Delay Transmit Group Delay Receive Group Delay Crosstalk Attenuation *1 Psophometric filter is used *2 Upper is specified for ...

Page 13

Semiconductor AC Characteristics (Continued) Parameter Discrimination Out-of-band Spurious Intermodulation Distortion Power Supply Noise Rejection Ratio Digital Output Delay Time *6 The measurement under idle channel noise Freq. Level Symbol Condition (Hz) (dBm0) 4.6 kHz DIS 0 ...

Page 14

Semiconductor TIMING DIAGRAM Transmit Timing BCLK XSYNC DOUT1 XD1 SD DOUT2 MSD Receive Timing BCLK RSYNC t WS DIN1 MSD ...

Page 15

Semiconductor APPLICATION CIRCUIT Example of Basic Connection (PCM Serial Mode Operation) CH1 Analog Input CH1 Analog Output CH2 Analog Input CH2 Analog Output Example of Interface to the Echo ...

Page 16

Semiconductor RECOMMENDATIONS FOR ACTUAL DESIGN • To assure proper electrical characteristics, use bypass capacitors with excellent high frequency characteristics for the power supply and keep them as close as possible to the device pins. • Connect the AG pin ...

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

Semiconductor SOP24-P-430-1.27-K Mirror finish Notes for Mounting the Surface Mount Type Package The SOP, QFP, TSOP, SOJ, QFJ (PLCC), SHP and BGA are surface mount type packages, which are very susceptible to heat in reflow mounting and humidity absorbed ...

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