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MT9161BS Datasheet

  • MT9161BS

  • ISO2-CMOS 5 Volt Multi-Featured Codec (MFC)

  • 30頁

  • MITEL

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ISO
2
-CMOS
MT9160B/61B
5 Volt Multi-Featured Codec (MFC)
Advance Information
Features
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Improved idle channel noise over MT9160
MT9161 version features a delayed framing
pulse in SSI and ST-BUS modes to facilitate
cascaded devices
Programmable
碌-Law/A-Law
Codec and Filters
Programmable ITU-T G.711/sign-magnitude
coding
Programmable transmit, receive and side-tone
gains
Fully differential interface to handset
transducers - including 300 ohm receiver driver
Flexible digital interface including ST-BUS/SSI
Serial microport or default controllerless mode
Single 5 volt supply
Low power operation
ITU-T G.714 compliant
DS5145
ISSUE 3
March 1999
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Ordering Information
MT9161BE
24 Pin Plastic DIP(600 mil)
MT9160BE
24 Pin Plastic DIP(600 mil)
MT9161BS
24 Pin SOIC
MT9160BS
20 Pin SOIC
MT9161BN
24 Pin SSOP
MT9160BN
20 Pin SSOP
-40擄C to +85擄C
Description
The MT9160B/61B 5V Multi-featured Codec
incorporates a built-in Filter/Codec, gain control and
programmable sidetone path as well as on-chip
anti-alias 鏗乴ters, reference voltage and bias source.
The device supports both ITU-T and sign-magnitude
A-Law and
碌-Law
requirements.
Complete telephony interfaces are provided for
connection to handset transducers. Internal register
access is provided through a serial microport
compatible
with
various
industry
standard
micro-controllers. The device also supports
controllerless operation utilizing the default register
conditions.
The MT9160B/61B is fabricated in Mitel's
ISO
2
-CMOS technology ensuring low power
consumption and high reliability.
Applications
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Digital telephone sets
Cellular radio sets
Local area communications stations
VSSD
VDD
VSSA
VBias
VRef
FILTER/CODEC GAIN
M-
ENCODER
DECODER
7dB
-7dB
Transducer
Interface
M+
HSPKR +
HSPKR -
Din
Timing
Dout
STB/F0i
CLOCKin
STBd/FOod
(MT9161B only)
Flexible
Digital
Interface
ST-BUS
C&D
Channels
Serial Microport
A/碌/IRQ
PWRST
IC
CS
DATA1
DATA2
SCLK
Figure 1 - Functional Block Diagram
79

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