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MSM7533H Datasheet

  • MSM7533H

  • 2ch Single Rail CODEC

  • OKI

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E2U0020-28-81
隆 Semiconductor
MSM7533H/7533V/7534
隆 Semiconductor
2ch Single Rail CODEC
This version: Aug. 1998
MSM7533H/7533V/7534
Previous version: Nov. 1996
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
鈥?Single power supply: +5 V
鈥?Power consumption
Operating mode:
35 mW Typ.
74 mW Max.
V
DD
= 5 V
Power save mode:
7 mW Typ.
16 mW Max.
V
DD
= 5 V
Power down mode:
0.05 mW Typ.
0.3 mW Max.
V
DD
= 5 V
鈥?ITU-T Companding law
MSM7533H:
m-law
MSM7534:
A-law
MSM7533V:
m/A-law
pin selectable
鈥?Built-in PLL eliminates a master clock
鈥?The PCM interface can be switched between 2 channel serial/parallel
鈥?Transmission clock: 64/128/256/512/1024/2048 kHz
96/192/384/768/1536/1544/200 kHz
(During 2 channel serial mode, the 64 and 96 kHz clocks are disabled)
鈥?Adjustable transmit gain
鈥?Built-in reference voltage supply
鈥?Analog output can directly drive a 600
W
line transformer
鈥?Package options:
20-pin plastic skinny DIP (DIP20-P-300-2.54-S1) (Product name : MSM7533HRS)
(Product name : MSM7533VRS)
(Product name : MSM7534RS)
24-pin plastic SOP (SOP24-P-430-1.27-K)
(Product name : MSM7533HGS-K)
(Product name : MSM7533VGS-K)
(Product name : MSM7534GS-K)
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