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TS4975 Datasheet(PDF) 11 Page - STMicroelectronics

No. de pieza TS4975
Descripción Electrónicos  Stereo Headphone Drive Amplifier with Digital Volume Control via I2C Bus
Download  36 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4975 Datasheet(HTML) 11 Page - STMicroelectronics

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TS4975
Electrical Characteristics
11/36
Crosstalk Channel Separation
RL =32Ω, AV = 2dB with Single-ended
F= 1kHZ, Pout =50mW
103
dB
RL =32Ω, AV = 2dB with Single-ended
F = 20Hz to 20kHz, Pout =50mW
75
RL =32Ω, AV = 2dB with Phantom Ground,
F= 1kHZ, Pout =50mW
69
RL =32Ω, AV = 2dB with Phantom Ground,
F = 20Hz to 20kHz, Pout =50mW
69
SNR
Signal To Noise
Ratio, A-Weighted
AV =2dB, RL =32Ω, Pout = 62mW
Single-Ended
95
dB
AV =2dB, RL =32Ω, Pout = 62mW
Phantom Ground
95
ONoise
Output Noise
Voltage,
A-Weighted
AV = 2dB, Single-ended
23
µVrms
AV = 2dB, Phantom Ground
23
G
Digital Gain Range
In1 & In2 to Out1 & Out2
-34
+18
dB
Digital Gain Step size
4
dB
Gain Error Tolerance
-1
+1
dB
Zin
In1 & In2 Input
Impedance
All gain settings
25.5
30
34.5
k
twu
Wake up time
Cb=1µF
80
144
ms
tws
Standby time
1
µs
1.
Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is an added sinus signal to VCC @ F = 217Hz
Table 7.
VCC = +5V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit


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