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U4083B-MFPY Datasheet(PDF) 6 Page - ATMEL Corporation

Part # U4083B-MFPY
Description  Low-power Audio Amplifier for Telephone Applications
Download  15 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

U4083B-MFPY Datasheet(HTML) 6 Page - ATMEL Corporation

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6
4655C–CORD–03/06
U4083B
7.
Electrical Characteristics
T
amb = +25°C, reference point pin 7, unless otherwise specified
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Amplifiers (AC Characteristics)
Open-loop gain
(Amplifier 1, f < 100Hz)
G
VOL1
80
dB
Closed-loop gain (Amplifier 2)
V
S = 6.0V, f = 1.0 kHz, RL = 32Ω
G
V2
0.35
0
+0.35
dB
Gain bandwidth product
G
BW
1.5
MHz
Output power
V
S = 3.0V, RL = 16Ω, d < 10%
V
S = 6.0V, RL = 32Ω, d < 10%
VS = 12V, RL = 100Ω, d < 10%
P
O
P
O
PO
55
250
400
mW
Total harmonic distortion
(f = 1.0 kHz)
VS = 6.0V, RL = 32Ω,
P
o = 125 mW
V
S > 3.0V, RL = 8Ω,
Po = 20 mW
V
S > 12V, RL = 32Ω,
P
o = 200 mW
d
d
d
0.5
0.5
0.6
1.0
%
Power supply rejection ratio
V
S = 6.0V, ∆VS = 3.0V
C1 = α, C2 = 0.01 µF
C
1 = 0.1 µF, C2 = 0, f = 1.0 kHz
C
1 = 1.0 µF, C2 = 5.0 µF,
f = 1.0 kHz
PSRR
PSRR
PSRR
50
12
52
dB
Muting
VS = 6.0V, 1.0 kHz < f < 20 kHz,
CD = 2.0V
G
MUTE
>70
dB
Amplifiers (DC Characteristics)
Output DC level at VO1,
VO2
R
f = 75 kW
VS = 3.0V, RL = 16Ω
VS = 6.0V
V
S = 12V
VO
VO
V
O
1.0
1.15
2.65
5.65
1.25
V
Output high level
I
O = –75 mA,
2.0V < VS < 16V
VOH
VS – 1
V
Output low level
IO = –75 mA,
2.0V < VS < 16V
V
OL
0.16
V
Output DC offset voltage
(VO1 – VO2)
VS = 6.0V, Rf = 75 kΩ,
RL = 32Ω∆VO
–30
0
+30
mV
Input bias current at Vi
VS = 6.0V
–IIB
100
200
nA
Equivalent resistance at Pin 3
VS = 6.0V
R
100
150
220
k
Equivalent resistance at Pin 2
VS = 6.0V
R
18
25
40
k
Chip disable Pin 1
Input voltage low
Input voltage high
Input resistance
V
S = VCD = 16V
V
IL
VIH
R
CD
2.0
50
90
0.8
175
V
V
k
Power supply current
V
S = 3.0V, RL = α, CD = 0.8V
V
S = 16V, RL = α, CD = 0.8V
VS = 3.0V, RL = α, CD = 2.0V
I
S
I
S
IS
65
4.0
5.0
100
mA
mA
µA


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