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參數資料
| 型號： | UBA1707 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Cordless telephone, answering machine line interface(無繩電話，電話應答機線接口) |
| 中文描述： | 無繩電話，應答機行界面（無繩電話，電話應答機線接口） |
| 文件頁數： | 2/36頁 |
| 文件大小： | 245K |
| 代理商： | UBA1707 |
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1999 Feb 17
2
Philips Semiconductors
Product specification
Cordless telephone, answering machine
line interface
UBA1707
FEATURES
Line interface
Low DC line voltage; operates down to 1.2 V (excluding
polarity guard)
Voltage regulator with adjustable DC voltage
DC mask for voltage or current regulation (CTR 21)
Line current limitation for protection
Electronic hook switch control input
Transmit amplifier with:
– Symmetrical inputs
– Fixed gain
– Large signals handling capability.
Receive amplifier with fixed gain
Transmit and receive amplifiers AGC for line loss
compensation.
Auxiliary amplifier
Fixed gain.
Loudspeaker channel
Dual inputs
Rail-to-rail output stage for single-ended load drive
High output current capability
Dynamic limiter to prevent distortion
Digital volume control
Fixed maximum gain.
General purpose switches
Three switches with open-collector.
3-wires serial bus interface
Allows to control:
DC mask (voltage or current regulation)
Receive amplifier mute function
AGC:
– On/off
– Slope
– I
start
line current.
Auxiliary amplifier mute function
Loudspeaker channel:
– Input selection
– Volume setting
– Dynamic limiter inhibition
– Power-down mode.
General purpose switches state
Global power-down mode.
Supply
Operates with external supply voltage from 3.0 to 5.5 V.
APPLICATIONS
Cordless base stations
Answering machines
Mains or battery-powered telephone sets.
GENERAL DESCRIPTION
The UBA1707 is a BiCMOS integrated circuit intended for
use in mains-powered telecom terminals. It performs all
speech and line interface functions, DC mask for voltage
or current regulation and electronic hook switch control.
The device includes an auxiliary amplifier, a loudspeaker
channel and general purpose switches.
Most of the characteristics are programmable via a 3-wire
serial bus interface.
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
UBA1707T
UBA1707TS
SO28
SSOP28
plastic small outline package; 28 leads; body width 7.5 mm
plastic shrink small outline package; 28 leads; body width 5.3 mm
SOT136-1
SOT341-1
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相關代理商/技術參數 |
參數描述 |
|---|---|
| UBA1707T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Cordless telephone, answering machine line interface |
| UBA1707TS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Cordless telephone, answering machine line interface |
| UBA1710M | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Modulator for GaAs power amplifiers |
| UBA2000T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Electronic TL-lamp starter |
| UBA2007 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Charge switch |
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