UBA1707TS datasheet(3/36 Pages) PHILIPS

3 / 36 page

1999 Feb 17

Philips Semiconductors

Product speciﬁcation

Cordless telephone, answering machine

line interface

UBA1707

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; Tamb =25 °C; bit AGC at logic 1, all other conﬁguration bits at logic 0; measured in test circuit of Fig.17;

unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

VCC

operating voltage range

3.0

−

5.5

ICC

current consumption from pin VCC

normal operation; bit PD = 0

−

2.2

3.2

power-down mode; bit PD = 1

−

110

150

µA

Iline

line current operating range

normal operation

−

140

with reduced performance

−

VLN

DC line voltage

2.7

3.0

3.3

RREGC

DC mask slope in current regulation

mode

Iline > 35 mA (typical);

RLVI =1MΩ; RRGL = 7.15 kΩ;

bit CRC = 1

−

1.4

−

Ω

Gv(trx)

voltage gain

transmit amplifier from TXI to LN

VTXI = 50 mV (RMS)

10.6

11.6

12.6

receive amplifier from RXI to RXO VRXI = 2 mV (RMS)

36.9

37.9

38.9

∆G

v(trx)

gain control range for transmit and

receive ampliﬁers with respect to

Iline =15mA

Iline =90mA

−

6.5

−

Gv(AX)

voltage gain from AXI to AXO

VAXI = 2 mV (RMS)

30.8

31.8

32.8

Gv(LSA)

voltage gain from LSAI1 or LSAI2 to

LSAO for maximum volume

VLSAI = 8 mV (RMS);

bits LSA1 = 1 and LSA2 = 1

26.5

29.5

∆G

v(LSA)

voltage gain adjustment range for

loudspeaker channel

bits (VOL0, VOL1, VOL2)

from (0, 0, 0) to (1, 1, 1)

−

∆G

v(LSA)s

voltage gain adjustment step for

loudspeaker channel

VOL0 from 0 to 1

−

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