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PDF ( 数据手册 , 数据表 ) MC34018

零件编号 MC34018
描述 VOICE SWITCHED SPEAKER-PHONE CIRCUIT
制造商 Unisonic Technologies
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MC34018 数据手册, 描述, 功能
UNISONIC TECHNOLOGIES CO., LTD
MC34018
LINEAR INTEGRATED CIRCUIT
VOICE SWITCHED
SPEAKER-PHONE CIRCUIT
DESCRIPTION
The UTC MC34018 speaker-phone integrated circuit includes
all the active circuitry and control functions to implement a high
quality hands-free telephone system. The circuit includes a
microphone amplifier, a speaker amplifier, level detectors, a
background sound level monitoring system in both the transmit and
receive channels and an attenuation system which can control the
transmit and receive levels as well as the background level.
The applications include household and office
speaker-phones, intercom systems, hand free kit for mobile
phones, and others.
FEATURES
* Chip Select pin for Power conservation (active/standby mode).
* Integrated all necessary active circuitry for a hand-free telephone
into one single chip.
* Operating under wide dynamic range through signal compression
technology.
* Build-In voltage regulators illuminate external regulators for lining
operation.
* Monitoring system for background noise level.
* Background sound level compensation for transmit and
receive levels as well as the background level.
* Power audio amplifier for typical 100mW output (into 25) with
peak limiting for speaker to minimize distortion.
* Volume control function for external volume control circuit.
ORDERING INFORMATION
Order Number
Lead Free
Halogen Free
- MC34018G-D28-T
MC34018L-E28-T
MC34018G-E28-T
- MC34018G-R28-T
- MC34018G-R28-R
- MC34018G-S28-T
- MC34018G-S28-R
Package
DIP-28
SDIP-28
SSOP-28
SSOP-28
SOP-28
SOP-28
Packing
Tube
Tube
Tube
Tape Reel
Tube
Tape Reel
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
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MC34018 pdf, 数据表
MC34018
LINEAR INTEGRATED CIRCUIT
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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