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TS4956 데이터시트(PDF) 11 Page - STMicroelectronics

부품명 TS4956
상세설명  Stereo audio amplifier system with I2C bus interface
PDF  51 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4956 데이터시트(HTML) 11 Page - STMicroelectronics

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TS4956
Electrical characteristics
11/51
Table 11.
VCC = +3.3 V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
ICC
Supply Current
Mode 1, 2, No input signal, no load
3.6
4.7
mA
Mode 3, No input signal, no load
4.8
6.2
Mode 4, No input signal, no load
4.6
6
Modes 5, 6, No input signal, no load
1.8
2.4
Mode 7, No input signal, no load
6
7.8
ISTBY
Standby Current
No input signal
0.5
2
µA
VOO
Output Offset Voltage
No input signal
Modes 1, 2
Speaker Output, RL =8Ω
Mode 3
Headphone Outputs, RL =16Ω
Mode 4
Headphone Outputs, RL =16Ω
Mode 7
BTL, Speaker Output, RL =8Ω
5
5
5
5
50
50
20
20
mV
Pout
Headphone Output Power
(Phantom Ground Mode)
Modes 3, 4
THD+N = 1% max, F = 1kHz, RL =16Ω
THD+N = 1% max, F = 1kHz, RL =32Ω
32
30
38(1)
36(1)
mW
BTL, Speaker Output
Power
Modes 1, 2, 7
THD+N = 1% max, F = 1kHz, RL =8Ω
430
450
MLO Output Power
Modes 5, 6
THD+N = 1% max, F = 1kHz, RL =16Ω
THD+N = 1% max, F = 1kHz, RL =32Ω
58
32
65
38
THD+N
Total Harmonic Distortion
+ Noise
G = +1.5dB, 20Hz < F < 20kHz
Modes 1, 2, 7, RL =8Ω, Pout = 300mW
Modes 3, 4, RL =16Ω, Pout =15mW
Modes 5, 6, RL =16Ω, Pout =50mW
0.5
0.5
0.5
%
PSRR
Power Supply Rejection
Ratio(2)
F = 217Hz, G = +1.5dB, Vripple =200mVpp,
Inputs Grounded, Cb = 1µF
Mode 1, Speaker output, RL =8Ω
Mode 2, Speaker output, RL =8Ω
Mode 3, Headphone outputs, RL =16Ω
Mode 4, Headphone outputs, RL =16Ω
Mode 5, MLO output, RL =16Ω
Mode 6, MLO output, RL =16Ω
Mode 7, BTL, Speaker outputs, RL =8Ω
63
57
63
77
64
58
74
dB
Crosstalk Channel Separation
Mode 4
F = 1kHz, RL =16Ω, Pout = 15mW
F = 20Hz to 20kHz, RL =16Ω, Pout = 15mW
Mode 7
F = 1kHz, RL =8Ω, Pout = 300mW
F = 20Hz to 20kHz, RL =8Ω, Pout =300mW
50
50
80
60
dB



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