Power Amplifier. UTC7112 Datasheet

UTC7112 Amplifier. Datasheet pdf. Equivalent

Part UTC7112
Description 0.5W Audio Power Amplifier
Feature UTC7112 LINEAR INTEGRATED CIRCUIT        The UTC7112 is a monolith.
Manufacture YOUWANG ELECTRONICS
Datasheet
Download UTC7112 Datasheet



UTC7112
UTC7112
LINEAR INTEGRATED CIRCUIT
  
  

The UTC7112 is a monolithic integrated audio power
amplifier in SIP-9 package, designed for audi
frequency class B amplifier.
  
*Suitable for portable radio cassette tape recorders
*Medium output power
Po=0.5W at Vcc=6V,RL=8 ,THD=10%
*Wide operating supply voltage range.
*Low quiescent current
*Excellent thermal stability
SIP-9
    
Input 2
NF 3
Ripple
9
ripple
filter
Vcc
7
8 Bypass
6 Output
14
CB CB
5
GND
        (Ta=25°C )
 

Supply Voltag
Vcc
Operating Temperatur
Topr
Storage Temperatur
Tstg
Power dissipation
PD

14
-20 to +70
-45 to 150
750

V
°C
°C
W
YOUWANG ELECTRONICS CO.LTD
1



UTC7112
UTC7112
LINEAR INTEGRATED CIRCUIT
    
(Ta=25°C,Vcc=6V,RL=8,RG=600,RF=68unless otherwise specified)
 

  
Quiescent circuit current
ICCQ
Vi=0
Open loop voltage gain
Gvo
RF=0
Closed loop Voltage Gain
Gvc
RF=68
Output Power
Pd THD=10%
Total Harmonic Distortion
THD
Po=100mW
Input resistanc
Ri
Output Noise voltag
VNO
RG=10k
BW (-3dB)=50Hz~20kHz
    
14 mA
60 75
dB
47 50 52 dB
0.45 0.5
W
0.3 1.0 %
15 k
0.4 1.0 mV
       
Fig 1 Voltage Gain vs.
Frequency
100
80
60
Gvo(Rf=0)
C 4 = 2C0C404=p=5F110p0Fp F
G v c ( R f = 6 8 )
40
20 V c c = 6 V
RL=8
f=1kHz
0
12
34
10 10 10 10
Frequency (Hz)
5
10
Fig. 2 Total Harmonic
Distortion vs. frequency
1
10 V c c = 6 V
RL=8
Po=0.1W
0
10
Gvo=60dB)
Gvo=50dB)
1-01
-2
10
1
10
Gvo=40dB)
1 02 1 03 1 04
Frequency (Hz)
1 05
Fig.3 Output power vs.
frequency
1.0
V c c = 6 V
RL=8
0.8
THD=10%
0.6
0.4
0.2
0
1 01
1 02 1 03 1 04
Frequency (Hz)
1 05
Fig.4 Output Power vs Input
Voltage
1 00
-1
10
-2
10
0
10
V c c = 6 V
RL=8
Gv=50dB
1
10
Input Voltage (V)
2
10
Fig.5 Outpur power vs.
Supply voltage
1
10
RL=4
1 00
RL=8
-1
10
THD=10%
f=1kHz
-2
10
0 4 8 12 16 20
Supplu voltage (V)
Fig.6 Total Harmonic
Distortion vs. output power
1 02
V c c = 6 V
RL=8
Gv=50dB
1 01
0 f=10kHz
10
f=1kHz
-1
10
-2
10
f=100Hz
-1 0
10 10
Output Power (W)
1
10
YOUWANG ELECTRONICS CO.LTD
2





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