YD34119 Datasheet, PDF (3/4 Pages) Wuxi Youda electronics Co.,LTD – LOW POWER AUDIO AMPLIFIER

YOUDA INTEGRATED CIRCUIT
YD34119
PARAMETER
Open Loop Gain of
Amp 1
Close Loop Gain of
Amp 2
Output Power
Total Harmonic
Distortion
Gain Bandwidth
Power Supply
rejection
Muting
SYMBOL
Gvo
TEST CONDITIONS
MIN TYP MAX UNIT
80
dB
Gv
Vcc=6.0V,f=1.0kHz,R_L=32Ω -0.35 0
Po
THD
Vcc=3.0V, R_L=16Ω, THD≤10% 55
Vcc=6.0V, R_L=32Ω, THD≤10% 250
Vcc=12.0V, R_L =100Ω,
THD≤10%
400
Vcc=6.0V, R_L =32Ω, Po=125mW
0.5
Vcc≥3.0V, R_L =8Ω, Po=20mW
0.5
Vcc≥12V, R_L =32Ω, Po=200mW
0.6
BW
1.5
RR
C1=∞,C2=0.01μF
50
(Vcc=6.0V,
C1=0.1μF,C2=0,f=1.0kHz
12
Δ=3.0V) _{C1=1.0μF,C2=0.01μF,f=1.0kHz}
52
G_MUT
Mute=2.0V, Vcc=6.0V,
1.0kHz＜f＜20kHz,
70
0.35 dB
mW
1.0
%
MHz
dB
dB
APPLICATION CIRCUIT
AUDIO IN
Ci
Ri
+
10μ ^3.0k
+
10μ
+
4.7μ
Rf 75k
Vin+
4
1
3
Vin-
6
Vcc
4k
4k
5
Vo-
Vcc
+
0.1μ 100μ
SPEAKER
50k
FC
Vo+
2
8
2
125k
50k
CD
BIAS
1
GND
CD
7
WuXi YouDa Electronics Co., Ltd
3 of 4
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