MC34119_12 Datasheet, PDF (6/8 Pages) Unisonic Technologies – LOW POWER AUDIO AMPLIFIER

MC34119
„ TYPICAL CHARACTERISTICS
Differential Gain Versus Frequency
40
Rf = 150kΩ, Ri = 6.0kΩ
32
24
16
8
0
100
Rf = 75kΩ, Ri = 3.0kΩ
Input
0.1
Ri
Rf
-
#1
+
VO1
VO2
VO
#2
1.0k
10k 20k
Frequency, f (Hz)
1200
VCC = 16V
1000
Device Dissipation, 16Ω Load
VCC = 12V
800
600
VCC = 6.0V
400
200
VCC = 3.0V
0
0
100
200
300
400
Load Power (mW)
10
8.0
6.0
4.0
2.0
0
0
Distortion Versus Power
(f = 1.0kHz, AVD = 34dB)
VCC = 3.0V
RL = 16Ω
VCC = 3.0V
RL = 32Ω
VCC = 6.0V
RL = 16Ω
VCC =12V, 16V
RL = 16Ω
VCC = 6.0V
RL = 32Ω
VCC = 6.0V
RL = 16Ω
VCC = 12V,16V
RL = 32Ω
100
200
300
400
500
Output Power, POUT (mW)
LINEAR INTEGRATED CIRCUIT
10
8.0
6.0
4.0
2.0
0
0
Distortion Versus Power
(f = 1, 3.0kHz, AVD = 12dB)
VCC = 3.0V
RL = 32Ω
VCC = 3.0V
RL = 16Ω
VCC = 6.0V
RL = 16Ω,32Ω
VCC = 12V,16V
RL = 16Ω,32Ω
100
200
300
400
500
Output Power, POUT (mW)
1200
1000
Device Dissipation, 32ΩLoad
VCC = 16V
VCC = 12V
800
600
400
VCC = 6.0V
200
VCC = 3.0V
0
0
100
200
300
400
500
Load Power (mW)
10
8.0
6.0
4.0
2.0
0
0
Distortion Versus Power
(f = 3.0kHz, AVD = 34dB)
VCC = 3.0V
RL = 16Ω
VCC = 3.0V
RL = 16Ω
VCC =6V
RL = 16Ω,32Ω
VCC =12V,16V
RL = 16Ω,32Ω
100
200
300
400
500
Output Power, POUT (mW)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
6 of 8
QW-R107-038,H