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TS4962M 数据表(PDF) 9 Page - STMicroelectronics

部件名 TS4962M
功能描述  3W Filter - free Class D Audio Power Amplifier
PDF  32 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) 9 Page - STMicroelectronics

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TS4962M
Electrical Characteristics
9/32
Table 9.
VCC = +2.4V, 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
mA
ISTBY
Standby Current (1)
No input signal, VSTBY = GND
10
nA
VOO
Output Offset Voltage No input signal, RL =8Ω
3mV
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
0.48
0.65
0.3
0.38
W
THD + N
Total Harmonic
Distortion + Noise
Pout = 200mWRMS, G = 6dB, 20Hz < F< 20kHz
RL =8Ω + 15µH, BW < 30kHz
1
%
Efficiency Efficiency
Pout =0.38WRMS, RL =4Ω + ≥ 15µH
Pout =0.25WRMS, RL =8Ω+ ≥ 15µH
77
86
%
CMRR
Common Mode
Rejection Ratio
F = 217Hz, RL =8Ω, G = 6dB,
∆Vicm = 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
250
kHz
SNR
Signal to Noise Ratio
A Weighting, Pout = 1.2W, RL =8Ω
80
dB
tWU
Wake-upTime
5
ms
tSTBY
Standby Time
5
ms
VN
Output Voltage Noise
F = 20Hz to 20kHz, G = 6dB
Unweighted RL =4Ω
A weighted RL =4Ω
85
60
µVRMS
Unweighted RL =8Ω
A weighted RL =8Ω
86
62
Unweighted RL =4Ω + 15µH
A weighted RL =4Ω + 15µH
76
56
Unweighted RL =4Ω + 30µH
A weighted RL =4Ω + 30µH
82
60
Unweighted RL =8Ω + 30µH
A weighted RL =8Ω + 30µH
67
53
Unweighted RL =4Ω + Filter
A weighted RL =4Ω + Filter
78
57
Unweighted RL =4Ω + Filter
A weighted RL =4Ω + Filter
74
54
1.
Standby mode is active when VSTBY is tied to GND.
273k
Ω
R
in
------------------
300k
Ω
R
in
------------------
327k
Ω
R
in
------------------



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