UTC-IC UTC2822

UTC2822
LINEAR INTEGRATED CIRCUIT
DUAL LOW VOLTAGE POWER
AMPLIFIER
DESCRIPTION
The UTC2822 is a monolithic integrated audio amplifier in a
8-Pin plastic Dual in line package. It is designed for portable
cassette players and radios.
FEATURES
*Wide operating supply voltage:Vcc=1.8V- 12V
*Low crossover distortion
*Low quiescent circuit current
*bridge/stereo configuration
DIP-8
BLOCK DIAGRAM
PIN CONFIGURATION
VCC
2
INPUT1 7
1
NP1 8
OUTPUT1
OUTPUT 1
1
8
NF 1
Vcc
2
7
INPUT
1
OUTPUT 2
3
6
GND
4
5
INPUT
2
INPUT2 6
3
NP2
OUTPUT2
NF 2
5
4
GND
ABSOLUTE MAXIMUM RATINGS(Ta=25°C)
Characteristic
Supply Voltage
Output Peak Current
Power Dissipation
Operating Temperature
Storage Temperature
Symbol
VCC
IO(peak)
PD
Topr
Tstg
Value
15
1
at Tamb=50°C 1.0
at Tcase=50°C 1.4
-20~+70
-40~+150
YOUW ANG ELECTRONICS CO.LTD
Unit
V
A
W
°C
°C
1
UTC2822
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS
(Ta=25°C,VCC=6V,f=1kHz,unless otherwise specified)
Characteristic
Symbol
Test Conditions
Operating Supply Voltage
Quiescent Circuit Current
Closed Loop Voltage Gain
Closed Loop Voltage Gain
Channel Balance
Output Power
VCC
ICC
AV
AV
CB
PO
Output Power
PO
Output Power
PO
Output Power
PO
Total Harmonic Distortion
Total Harmonic Distortion
Ripple Rejection
Output Noise Voltage
Cross Talk
Input Resistance
Min
Vi=0
Stereo
Bridge
Stereo
Stereo,VCC=6V,RL=4Ω,
THD=10%
Stereo,VCC=3V,RL=4Ω,
THD=10%
Bridge,VCC=6V,RL=4Ω,
THD=10%
Bridge,VCC=3V,RL=4Ω,
THD=10%
Stereo,RL=8Ω, Po=0.2W
Bridge,RL=8Ω, Po=0.5W
Stereo,f=100Hz,C3=100µF
Stereo, BW(-3dB)=20Hz~20kHz
Stereo,f=1kHz
THD
THD
RR
VNO
CT
Ri
0.9
24
1
0.11
W
1.35
W
0.35
W
0.5
0.5
30
0.5
50
%
%
dB
mV
dB
k
2.0
VCC
C5
100µF
2
2
7
1
C4
470µF
8
7
INPUT1
1
C6
0.1µF
RL
C1
100µF
R1
10kΩ
8
R3
4.7Ω
6
3
5
R2
10kΩ
V
mA
dB
dB
dB
W
TEST CIRCUIT 2:BRIDGE
VCC
INPUT2
Units
9
9
40
40
0
0.65
-1
0.4
C3
100µF
R1
10kΩ
Max
100
TEST CIRCUIT 1:STEREO
INPUT1
Typ
1.8
C5
470µF
6
3
C7
0.1µF
C2
100µF
4
C1
10µF
C2
0.1µF
R2
4.7Ω
RL
R4
4.7Ω
YOUW ANG ELECTRONICS CO.LTD
5
4
C4
0.01µF
C3
0.1µF
R3
4.7Ω
2
RL
UTC2822
LINEAR INTEGRATED CIRCUIT
SCHEMATIC DIAGRAM
2
Vcc
I source
CONTROL
Vcc
Vcc
1
3
OUT 1
OUT 2
8
7
6
5
4
NF 1
INPUT 1
INPUT 2
NF 2
GND
TYPICAL PERFORMANCE CHARACTERISTICS
RIPPLE REJECTION (dB)
QUIESCENT CURRENT (mA)
8
6
4
2
0
10
C1=C2
=22µF
20
30
C1=C2
=100µF
40
0
4
8
12
16
SUPPLY VOLTAGE (V)
10
30
100
300
1000
3000
FREQUENCY (Hz)
YOUW ANG ELECTRONICS CO.LTD
3
This datasheet has been downloaded from:
www.DatasheetCatalog.com
Datasheets for electronic components.