U4080B TEMIC Semiconductors, U4080B Datasheet - Page 5

• Manufacturer Part Number: U4080B
• Description: Voice-Switched Circuit for Handsfree Operation
• Manufacturer: TEMIC Semiconductors

TELEFUNKEN Semiconductors
Rev. A1, 20-May-96
Speaker amplifier
Gain, V
Input impedance
Output voltage (Pin 19 =
cap coupled to GND)
High output voltage
V
V
Low output voltage
V
V
Log amplifiers
Receive level detector
leakage current
V
Transmit level detector
leakage current
V
Transmit-Receive
switching threshold
V
T-R comparator
Transmit detector
DC voltage: Idle mode
T mode
Distortion
R mode: RECI to SAO
V
T mode: MIC to TO
V
19
15
19
15
8
6
8
27
9
/V
= V
= V
= 5 mV
= –100 mA
= –0.1 V,
= +100 mA
= 0.1 V,
= 10 mV
6
at 20 A to switch
B
B
19
Parameters
+ 1.0 V
+ 1.0 V
= 20 mV
rms’
rms’
f = 1 kHz
, f = 1 kHz
rms
Test Conditions / Pins
Preliminary Information
Pins 15 and 19
Pins 15 and 27
Pins 5 and 7
Pin 23
Pin 25
Pin 8
Pin 6
Symbol
V
V
G
V
V
I
V
I
I
R
LR
TH
LT
d
d
OH
SA
OL
23
23
O
I
Min.
2.4
5.5
0.8
33
15
Typ.
3.0
4.0
1.5
2.0
34
22
0
U4080B
Max.
600
3.6
2.0
2.0
1.2
35
37
Unit
mA
k
m
m
dB
V
V
V
%
%
5 (15)
A
A