PA4867 Datasheet, PDF (3/7 Pages) UMC Corporation – DUAL 2.1W AUDIO AMPLIFIER PLUS STEREO HEADPHONE FUNCTION

PA4867
CMOS IC
„ ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
6.0
V
Input Voltage
-0.3 ~ V_DD+0.3
V
Power Dissipation
P_D
Internally Limited
Junction Temperature
T_J
150
℃
Operating Temperature
T_OPR
-40 ~ +85
℃
Storage Temperature
T_STG
-65 ~ +150
℃
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
„ ELECTRICAL CHARACTERISTICS
The following specifications apply for V_DD= 5V unless otherwise specified. Limits apply for T_A= 25℃.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP
FOR ENTIRE IC
Supply Voltage
V_DD
2
Quiescent Power Supply Current
I_DD
V_IN=0V, I_OUT=0A, HP-IN=0V
V_IN=0V, I_OUT=0A, HP-IN=4V
7.5
3.0
Shutdown Current
I_SD V_DD applied to the SHUTDOWN pin
0.7
FOR BRIDGED-MODE OPERATION
Output Offset Voltage
V_O(OFF) V_IN=0V
5
R_L = 3Ω
2.2
THD=1%, f=1kHz
R_L = 4Ω
1.9
R_L = 8Ω 1.0 1.1
Output Power
P_OUT
R_L = 3Ω
3.0
THD+N=10%, f=1kHz
R_L = 4Ω
2.6
R_L = 8Ω
Total Harmonic Distortion+Noise THD+N
Power Supply Rejection Ratio
PSRR
Channel Separation
X_TALK
Signal To Noise Ratio
SNR
FOR SINGLE-ENDED OPERATION
THD+N=1%, f=1kHz, R_L=32Ω
20Hz ≤ f ≤ 20kHz, R_L =4Ω, P_OUT =2W
A_VD=2
R_L =8Ω, P_OUT =1W
V_DD=5V, V_RIPPLE=200mV_RMS, R_L=8Ω,
C_B=2.2μF
f=1kHz, C_B=2.2μF
V_DD=5V, P_OUT=1.1W, R_L=8Ω
Output Offset Voltage
Output Power
V_O(OFF) V_IN=0V
THD = 0.5%, f = 1kHz, R_L = 32Ω
75
THD+N = 1%, f = 1kHz, R_L = 8Ω
P_OUT
THD+N = 1%, f = 1kHz, R_L = 16Ω
THD+N = 1%, f = 1kHz, R_L = 32Ω
THD+N = 10%, f = 1kHz, R_L = 16Ω
THD+N = 10%, f = 1kHz, R_L = 32Ω
Output Voltage Swing
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
V_OUT
THD+N
PSRR
THD = 0.05%,R_L = 5kΩ
A_V=-1, P_OUT=75mW
20Hz≤f≤20kHz, R_L=32Ω
C_B=2.2μF, V_RIPPLE=200mV_RMS
f=1kHz
Channel Separation
Signal To Noise Ratio
X_TALK f=1kHz, C_B=2.2μF
SNR V_DD=5V, P_OUT=340mW, R_L=8Ω
1.5
0.34
0.3
0.3
67
80
97
5
85
180
165
88
208
114
1
0.2
52
60
95
MAX UNIT
5.5 V
15 mA
6 mA
2 μA
50 mV
W
W
W
W
W
W
W
%
%
dB
dB
dB
50 mV
mW
mW
mW
V_P-P
%
dB
dB
dB
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R502-125.B