U4083 TEMIC Semiconductors, U4083 Datasheet - Page 4

• Manufacturer Part Number: U4083
• Description: Low-Power Audio Amplifier for Telephone Applications
• Manufacturer: TEMIC Semiconductors

Electrical Characteristics
T
U4083B
Amplifiers (AC Characteristics)
Open gain loop
(Amp. 1, f < 100 Hz)
Closed gain loop (Amp. 2)
Gain bandwidth product
Output power
Total harmonic distortion
(f = 1.0 kHz)
Power supply rejection ra-
tio
Muting
Amplifiers (DC Characteristics)
Output dc level at V
V
R
Output high level
Output low level
Output dc offset voltage
(V
Input bias current at V
Equivalent resistance at
Pin 3
Equivalent resistance at
Pin 2
Chip disable Pin 1
Input voltage
Input voltage
Input resistance
Power supply current
4 (11)
amb
f
O2
O1
= 75 kW
= +25 C, reference point Pin 7, unless otherwise specified
– V
Parameters
O2
)
*
*
low
high
O1
i
,
V
V
V
V
V
P
V
P
V
P
V
C
C
C
f = 1.0 kHz
V
CD = 2.0 V
V
V
V
I
2.0 V < V
I
2.0 V < V
V
R
V
V
V
V
V
V
V
O
O
o
o
o
1
1
1
L
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
= – 75 mA,
= 75 mA,
= 125 mW
= 20 mW
= 200 mW
=
= 0.1
= 1.0
= 3.0 V, R
= 6.0 V, R
= 12 V, R
= 6.0 V, 1.0 kHz < f < 20 kHz,
= 6.0 V, R
= 6.0 V, f = 1.0 kHz, R
= 6.0 V, R
> 3.0 V, R
> 12 V, R
= 6.0 V,
= 3.0 V, R
= 6.0 V
= 12 V
= 32
= 6.0 V
= 6.0 V
= 6.0 V
= V
= 3.0 V, R
= 16 V, R
= 3.0 V, R
T
Preliminary Information
CD
Test Conditions / Pins
, C
W
m
m
S
S
F, C
F, C
2
= 16 V
< 16 V
< 16 V
D
= 0.01
L
L
L
L
L
f
L
L
V
L
L
L
2
2
= 100
= 32
= 75 k
=
= 16
= 32
= 32
= 8
S
= 16
=
=
= 0, f = 1.0 kHz
= 5.0
T
= 3.0 V
T
T
m
, CD = 0.8 V
W
, CD = 0.8 V
, CD = 2.0 V
W
W
W
W
F
W
W
,
W
,
m
, d < 10%
, d < 10%
,
, d < 10%
,
F,
L
= 32
W
Symbol
G
G
PSRR
PSRR
PSRR
G
D
V
G
V
R
MUTE
–I
V
V
VOL1
V
V
V
Po
Po
Po
I
I
I
BW
V
R
R
d
d
d
OH
CD
OL
V2
IH
S
S
S
IB
IL
O
O
O
O
–0.35
Min.
250
400
–30
100
1.0
2.0
TELEFUNKEN Semiconductors
80
55
50
18
50
V
Typ.
1.15
2.65
5.65
0.16
>70
150
1.5
0.5
0.5
0.6
100
12
52
25
90
65
S
0
0
–1
Rev. A2, 07-Apr-97
+0.35
Max.
1.25
+30
220
175
100
1.0
200
0.8
4.0
5.0
40
MHz
Unit
mW
mV
mA
mA
kW
k
k
m
dB
dB
dB
dB
nA
%
V
V
V
V
V
W
W
A