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TS4962M 数据表(PDF) 13 Page - STMicroelectronics

部件名 TS4962M
功能描述  3W filter-free class D audio power amplifier
PDF  41 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4962M 数据表(HTML) 13 Page - STMicroelectronics

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TS4962M
Electrical characteristics
13/41
Table 8.
VCC = +2.5V, GND = 0V, VIC = 2.5V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Conditions
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
0.52
0.71
0.33
0.42
W
THD + N
Total harmonic
distortion + noise
Pout = 200mWRMS, G = 6dB, 20Hz < F< 20kHz
RL =8Ω + 15µH, BW < 30kHz
Pout = 200WRMS, G = 6dB, F = 1kHz,
RL =8Ω + 15µH, BW < 30kHz
1
0.19
%
Efficiency Efficiency
Pout =0.47WRMS, RL =4Ω +≥ 15µH
Pout =0.3WRMS, 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,
ΔVicm = 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
180
250
320
kHz
SNR
Signal to noise ratio
A-weighting, Pout = 1.2W, 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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