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TS4962 Datasheet(PDF) 17 Page - STMicroelectronics

No. de pieza TS4962
Descripción Electrónicos  2.8W filter-free mono class D audio power amplifier
PDF  46 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4962 Datasheet(HTML) 17 Page - STMicroelectronics

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TS4962
Electrical characteristics
17/46
Table 9.
Electrical characteristics at VCC = +2.5V
with GND = 0V, Vicm = 1.25V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply current
No input signal, no load
1.7
2.4
mA
ISTBY
Standby current (1)
No input signal, VSTBY = GND
10
1000
nA
Voo
Output offset voltage
No input signal, RL = 8Ω
325
mV
Pout
Output power, G=6dB
THD = 1% Max, f = 1kHz, RL = 4Ω
THD = 10% Max, f = 1kHz, RL = 4Ω
THD = 1% Max, f = 1kHz, RL = 8Ω
THD = 10% Max, f = 1kHz, RL = 8Ω
0.5
0.65
0.33
0.41
W
THD + N
Total harmonic distortion + noise
Pout = 180 mWRMS, G = 6dB, 20Hz < f < 20kHz
RL = 8Ω + 15µH, BW < 30kHz
Pout = 200mWRMS, G = 6dB, f = 1kHz
RL = 8Ω + 15µH, BW < 30kHz
1
0.05
%
Efficiency
Efficiency
Pout = 0.47 WRMS, RL = 4Ω +≥ 15µH
Pout = 0.3 WRMS, RL = 8Ω+≥ 15µH
78
88
%
PSRR
Power supply rejection ratio with inputs grounded (2)
f = 217Hz, RL = 8Ω, G=6dB, Vripple = 200mVpp
60
dB
CMRR
Common mode rejection ratio
f = 217Hz, RL = 8Ω, G = 6dB, ΔVic = 200mVpp
54
dB
Gain
Gain value (Rin in kΩ)V/V
RSTBY
Internal resistance from standby to GND
273
300
327
k
Ω
FPWM
Pulse width modulator base frequency
200
280
360
kHz
SNR
Signal to noise ratio (A-weighting)
Pout = 0.3W, RL = 8Ω
80
dB
tWU
Wake-up time
5
10
ms
tSTBY
Standby time
5
10
ms
273k
Ω
R
in
-----------------
300k
Ω
R
in
-----------------
327k
Ω
R
in
-----------------



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