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TS4956 bảng dữ liệu(PDF) 13 Page - STMicroelectronics

tên linh kiện TS4956
Giải thích chi tiết về linh kiện  Stereo audio amplifier system with I2C bus interface
PDF  51 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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TS4956 bảng dữ liệu(HTML) 13 Page - STMicroelectronics

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TS4956
Electrical characteristics
13/51
Table 12.
VCC = +5 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
4
5.2
mA
Mode 3, No input signal, no load
5.3
6.9
Mode 4, No input signal, no load
5.2
6.8
Modes 5, 6, No input signal, no load
1.9
2.5
Mode 7, No input signal, no load
6.7
8.7
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
35
39(1)
43(1)
mW
BTL, Speaker Output
Power
Modes 1, 2, 7
THD+N = 1% max, F = 1kHz, RL =8Ω
1000
1055
MLO Output Power
Modes 5, 6
THD+N = 1% max, F = 1kHz, RL =16Ω
THD+N = 1% max, F = 1kHz, RL =32Ω
140
80
150
88
THD+N
Total Harmonic Distortion
+ Noise
G = +1.5dB, 20Hz < F < 20kHz
Modes 1, 2, 7, RL =8Ω, Pout = 700mW
Modes 3, 4, RL =16Ω, Pout =15mW
Modes 5, 6, RL =16Ω, Pout = 100mW
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
66
60
65
78
66
61
75
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 = 700mW
F = 20Hz to 20kHz, RL =8Ω, Pout =700mW
50
50
80
60
dB



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