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UBA1706

NXP
Part Number UBA1706
Manufacturer NXP
Description Cordless telephone line interface
Published Sep 12, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET UBA1706 Cordless telephone line interface Objective specification Supersedes data of 199...
Datasheet PDF File UBA1706 PDF File

UBA1706
UBA1706

Overview
INTEGRATED CIRCUITS DATA SHEET UBA1706 Cordless telephone line interface Objective specification Supersedes data of 1999 Mar 08 File under Integrated Circuits, IC17 1999 Jun 04 Philips Semiconductors Objective specification Cordless telephone line interface 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 (CTR21) • Line current limitation for protection • Electronic hook switch control input • Transmit amplifier with: – Symmetrical inputs – Fixed gain – Large signal handling capability.
• Receive amplifier with fixed gain • Transmit and receive amplifiers Automatic Gain Control (AGC) for line loss compensation.
General purpose switches Two switches with open-collector.
3-wire serial bus interface Allows control of: • DC mask (voltage or current regulation) • Receive amplifier mute function • AGC: – On/off – Slope – Istart line current.
• The state of the general purpose switches • Global power-down mode.
Supply Operates with external supply voltage from 3.
0 to 5.
5 V.
ORDERING INFORMATION TYPE NUMBER UBA1706TS PACKAGE NAME SSOP24 DESCRIPTION plastic shrink small outline package; 24 leads; body width 5.
3 mm APPLICATIONS • Cordless base stations UBA1706 • Mains or battery-powered telephone sets.
GENERAL DESCRIPTION The UBA1706 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 also includes general purpose switches.
Most of the characteristics are programmable via a 3-wire serial bus interface.
VERSION SOT340-1 1999 Jun 04 2 Philips Semiconductors Objective specification Cordless telephone line interface UBA1706 QUICK REFERENCE DATA Iline = 15 mA; VCC = 3.
3 V; RSLPE = 10 Ω; AGC pin connected to GND; Zline = 600 Ω; ZSET = 619 Ω; EHI = HIGH; f = 1 kHz...


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