TEA1085 Ver la hoja de datos (PDF) - Philips Electronics

Número de pieza

componentes Descripción

Lista de partido

TEA1085

Listening-in circuit for line-powered telephone sets

Philips Electronics 

Philips Semiconductors

Listening-in circuit for line-powered

telephone sets

Preliminary specification

TEA1085; TEA1085A

QUICK REFERENCE DATA

SYMBOL

PARAMETER

ISUP

input current range

VBB

stabilized supply voltage

ISUP

current consumption

Gv

voltage gain loudspeaker amplifier

∆Gv

maximum gain reduction with logic

inputs (3 steps)

ISUP

minimum input current

tad(RMS)

VDTI(RMS)

Gv

Tamb

Larsen limiter attack delay time VDTI

jumps from 0 to ≥ 100 mV (RMS value)

Larsen limiter threshold level

Larsen limiter preamplifier gain setting

range

operating ambient temperature range

CONDITIONS

PD = HIGH

SE

BTL

POUT = 20 mW typ.

into 50 Ω SE

POUT = 40 mW typ.

into 50 Ω BTL

Larsen mode

MIN.

4

−

−

TYP.

−

3.6

55

MAX. UNIT

120 mA

−

V

−

µA

−

35

−

dB

−

41

−

dB

−

18

−

dB

−

15

−

−

100 −

−

7

30

−

−25 −

17

mA

32

mA

200 ms

−

mV

52

dB

+75 °C

March 1992

3

Share Link: