TEA1085 Philips Semiconductors, TEA1085 Datasheet - Page 3
TEA1085
Manufacturer Part Number
TEA1085
Description
Listening-in circuit for line-powered telephone sets
Manufacturer
Philips Semiconductors
Datasheet
1.TEA1085.pdf
(32 pages)
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Philips Semiconductors
QUICK REFERENCE DATA
March 1992
I
V
I
G
I
t
V
G
T
SYMBOL
SUP
SUP
SUP
ad(RMS)
G
amb
BB
DTI(RMS)
Listening-in circuit for line-powered
telephone sets
v
v
v
input current range
stabilized supply voltage
current consumption
voltage gain loudspeaker amplifier
maximum gain reduction with logic
inputs (3 steps)
minimum input current
Larsen limiter attack delay time V
jumps from 0 to
Larsen limiter threshold level
Larsen limiter preamplifier gain setting
range
operating ambient temperature range
PARAMETER
100 mV (RMS value)
DTI
PD = HIGH
SE
BTL
P
into 50
P
into 50
Larsen mode
3
OUT
OUT
CONDITIONS
= 20 mW typ.
= 40 mW typ.
SE
BTL
TEA1085; TEA1085A
4
100
30
MIN.
25
3.6
55
35
41
18
15
7
Preliminary specification
TYP.
120
17
32
200
52
MAX.
75
mA
V
dB
dB
dB
mA
mA
ms
mV
dB
UNIT
C
A