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U4083 Datasheet(PDF) 4 Page - TEMIC Semiconductors

Part # U4083
Description  Low-Power Audio Amplifier for Telephone Applications
PDF  11 Pages
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Manufacturer  TEMIC [TEMIC Semiconductors]
Direct Link  http://www.temic.de
Logo TEMIC - TEMIC Semiconductors

U4083 Datasheet(HTML) 4 Page - TEMIC Semiconductors

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U4083B
TELEFUNKEN Semiconductors
Rev. A2, 07-Apr-97
Preliminary Information
4 (11)
Electrical Characteristics
Tamb = +25°C, reference point Pin 7, unless otherwise specified
Parameters
Test Conditions / Pins
Symbol
Min.
Typ.
Max.
Unit
Amplifiers (AC Characteristics)
Open gain loop
(Amp. 1, f < 100 Hz)
GVOL1
80
dB
Closed gain loop (Amp. 2)
VS = 6.0 V, f = 1.0 kHz, RL = 32
W
GV2
–0.35
0
+0.35
dB
Gain bandwidth product
GBW
1.5
MHz
Output power
VS = 3.0 V, RL = 16
W, d < 10%
VS = 6.0 V, RL = 32
W, d < 10%
VS = 12 V, RL = 100
W, d < 10%
Po
Po
Po
55
250
400
mW
Total harmonic distortion
(f = 1.0 kHz)
VS = 6.0 V, RL = 32
W,
Po = 125 mW
VS > 3.0 V, RL = 8
W,
Po = 20 mW
VS > 12 V, RL = 32
W,
Po = 200 mW
d
d
d
0.5
0.5
0.6
1.0
%
Power supply rejection ra-
tio
VS = 6.0 V,
DVS = 3.0 V
C1 =
T, C2 = 0.01 mF
C1 = 0.1
mF, C2 = 0, f = 1.0 kHz
C1 = 1.0
mF, C2 = 5.0 mF,
f = 1.0 kHz
PSRR
PSRR
PSRR
50
12
52
dB
Muting
VS = 6.0 V, 1.0 kHz < f < 20 kHz,
CD = 2.0 V
GMUTE
>70
dB
Amplifiers (DC Characteristics)
Output dc level at VO1,
VO2
Rf = 75 kW
VS = 3.0 V, RL = 16
W
VS = 6.0 V
VS = 12 V
VO
VO
VO
1.0
1.15
2.65
5.65
1.25
V
Output high level
IO = – 75 mA,
2.0 V < VS < 16 V
VOH
VS–1
V
Output low level
IO = 75 mA,
2.0 V < VS < 16 V
VOL
0.16
V
Output dc offset voltage
(VO1 – VO2)
VS = 6.0 V, Rf = 75 k
W,
RL = 32
W
DVO
–30
0
+30
mV
Input bias current at Vi
VS = 6.0 V
–IIB
100
200
nA
Equivalent resistance at
Pin 3
VS = 6.0 V
R
100
150
220
k
W
Equivalent resistance at
Pin 2
VS = 6.0 V
R
18
25
40
k
W
Chip disable Pin 1
Input voltage
* low
Input voltage
* high
Input resistance
VS = VCD = 16 V
VIL
VIH
RCD
2.0
50
90
0.8
175
V
V
kW
Power supply current
VS = 3.0 V, RL =
T, CD = 0.8 V
VS = 16 V, RL =
T, CD = 0.8 V
VS = 3.0 V, RL =
T, CD = 2.0 V
IS
IS
IS
65
4.0
5.0
100
mA
mA
mA



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