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TS4956 датащи(PDF) 12 Page - STMicroelectronics

номер детали TS4956
подробное описание детали  Stereo audio amplifier system with I2C bus interface
PDF  51 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4956 датащи(HTML) 12 Page - STMicroelectronics

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Electrical characteristics
TS4956
12/51
SNR
Signal To Noise Ratio
A-weighted, G = +1.5dB, THD+N < 0.5%,
20Hz < F < 20kHz
Mode 1 - Speaker output, RL =8Ω
Mode 2 - Speaker output, RL =8Ω
Mode 3 - Headphone output, RL =16Ω
Mode 4 - Headphone output, RL =16Ω
Mode 5 - MLO output, RL =16Ω
Mode 6 - MLO output, R = 16
Ω
Mode 7 - BTL, Speaker output, RL =8Ω,
G = +10.5dB
93
92
85
91
87
87
95
dB
G
Digital Gain Range
-34.5
+12
dB
Digital Gain Stepsize
1.5
dB
Stepsize Error
0.1
0.6
dB
Zin
Input Impedance, all Gain
setting
Differential input
Differential input impedance (MIP to MIN)
MIP input impedance referenced to ground
MIN input impedance referenced to ground
Stereo input
RIN input impedance
LIN input impedance
50
25.5
38
25.5
25.5
60
30
45
30
30
70
34.5
62
34.5
34.5
k
Ω
tWU
Wake up time
70
90
ms
tSTBY
Standby time
1
µs
1.
Internal power limitation on headphone outputs (see application information).
2.
Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is an added sinus signal to VCC @ F = 217Hz.
Table 11.
VCC = +3.3 V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit



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