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TS4975 数据表(PDF) 10 Page - STMicroelectronics

部件名 TS4975
功能描述  Stereo Headphone Drive Amplifier with Digital Volume Control via I2C Bus
PDF  36 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4975 数据表(HTML) 10 Page - STMicroelectronics

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Electrical Characteristics
TS4975
10/36
Table 7.
VCC = +5V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
ICC
Supply Current
No input signal, no load,
Single-ended, Mode 1-4
34.2
mA
No input signal, no load,
Single-ended, Mode 5-8
22.8
No input signal, no load,
Phantom Ground, Mode 1-4
4.6
6.5
No input signal, no load,
Phantom Ground, Mode 5-8
3.6
5.3
ISTBY
Standby Current
SCL and SDA at VCC level,
No input signal
0.6
2
µA
Voo
Output Offset Voltage
No input signal, RL =32Ω,
Phantom Ground
550
mV
Pout
Output Power
(per channel)
Single-ended, THD+N = 1% Max,
F= 1kHz, RL =16Ω
92
102
mW
Single-ended, THD+N = 1%
Max,F = 1kHz, RL =32Ω
59
64
Phantom Ground, THD+N = 1% Max,
F= 1kHz, RL =16Ω
92
98
Phantom Ground, THD+N = 1% Max,
F= 1kHz, RL =32Ω
59
63
THD + N
Total Harmonic
Distortion + Noise
Single-ended, AV = 2dB, RL =32Ω,
Pout = 50 mW, 20Hz < F < 20kHz,
0.3
%
Single-ended, AV = 2dB, RL =16Ω,
Pout = 80 mW, 20Hz < F < 20kHz
0.3
Phantom Ground, AV =2dB, RL =32Ω,
Pout =50 mW, 20Hz < F < 20kHz
0.3
Phantom GroundAV = 2dB, RL =16Ω,
Pout = 80 mW, 20Hz < F < 20kHz
0.3
PSRR
Power Supply
Rejection Ratio(1)
Single-ended Output referenced to
Phantom Ground
F = 217Hz, RL =16Ω, AV =2dB
Vripple = 200mVpp, Input Grounded,
Cb =1µF
63
dB
Single-ended Output referenced to
Ground
F = 217Hz, RL =16Ω, AV =2dB
Vripple = 200mVpp, Input Grounded,
Cb =1µF
63



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