MX629 查看數據表（PDF） - CML Microsystems Plc
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MX629 Datasheet PDF : 16 Pages
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DATA BULLETIN
MX629
DELTA MODULATION CODEC
meets Mil-Std-188-113
Features
Meets Mil-Std-188-113
Single Chip Full Duplex CVSD CODEC
On-chip Input and Output Filters
Programmable Sampling Clocks
3- or 4-bit Companding Algorithm
Powersave Capabilities
Low Power, 5.0V Operation
Applications
Military Communications
Multiplexers, Switches, & Phones
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The MX629 is a Continuously Variable Slope Delta Modulation (CVSD) Codec designed for use in military
communications systems. This device is suitable for applications in military delta multiplexers, switches, and
phones. The MX629 is designed to meet Mil-Std-188-113 specifications.
Encoder input and decoder output filters are incorporated on-chip. Sampling clock rates can be programmed
to 16, 32, or 64kbps from an internal clock generator or externally injected in the 8 to 64kbps range. The
sampling clock frequency is output for the synchronization of external circuits.
The encoder has an enable function for use in multiplexer applications. Encoder and Decoder forced idle
capabilities are provided forcing 10101010…pattern in encode and a VDD/2 bias in decode. The companding
circuit may be operated with an externally selectable 3- or 4-bit algorithm. The device may be placed in
standby mode by selecting Powersave. A reference 1.024MHz oscillator uses an external clock or crystal.
The MX629 operates with a supply voltage of 5.0V and is available in the following packages: 24-pin PLCC
(MX629LH), 22-pin CERDIP (MX629J), and 22-pin PDIP (MX629P).
1998 MX-COM, Inc.
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480190.001
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA All Trademarks and service marks are held by their respective companies.
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