MT91L62
ISO2 - CMOS 3 Volt Single Rail Codec
Data Sheet
July 2004
Features
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Single 2.7-3.6 volt supply
Ordering Information
Programmable µ−law/A-law Codec and filters
Fully differential to output driver
SSI digital interface
MT91L62AE
MT91L62AS
20 Pin Plastic DIP (300 mil)
20 Pin SOIC
MT91L62AN 20 Pin SSOP
-40°C to +85°C
Individual transmit and receive mute controls
0 dB gain in receive path
Description
6 dB gain in transmit path
The MT91L62 3 V single rail Codec incorporates a
built-in Filter/Codec, transmit anti-alias filter,
reference voltage and bias source. The device
supports both A-law and µ-law requirements. The
MT91L62 is a true 3 V device employing a fully
differential architecture to ensure wide dynamic range.
Low power operation
a
ITU-T G.714 compliant
Applications
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Cellular radio sets
An analog output driver is provided, capable of driving
a 20 k ohm load.
Local area communications stations
Line cards
The MT91L62 is fabricated in Zarlink's ISO2-CMOS
technology ensuring low power consumption and high
reliability.
Battery operated equipment
FILTER/CODEC GAIN
AIN+
AIN-
VDD
ENCODER
DECODER
6dB
VSSA
0 dB
Analog
VBias
VRef
Interface
AOUT +
AOUT -
Din
Timing
Dout
PCM
Serial
Interface
STB
CLOCKin
Control
A/µ
CSL0 CSL1 CSL2 RXMute TXMute
IC
PWRST
Figure 1 - Functional Block Diagram
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 1999-2004, Zarlink Semiconductor Inc. All Rights Reserved.