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TS4962 数据表(PDF) 9 Page - STMicroelectronics

部件名 TS4962
功能描述  3W Filter-free Class D Audio Power Amplifier
PDF  22 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4962 数据表(HTML) 9 Page - STMicroelectronics

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Electrical Characteristics
TS4962
9/22
Table 8.
VCC =+2.4V
1, GND = 0V, V
ICM =1.2V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply Current
No input signal, no load
1.7
mA
ISTANDBY
Standby Current 2
No input signal, VSTBY = GND
10
nA
Voo
Output Offset Voltage
No input signal, RL = 8Ω
3mV
Po
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
Po = 200 mWRMS, G = 6dB, 20Hz < f < 20kHz,
RL = 8Ω + 15µH, BW < 30kHz
1%
Efficiency
Efficiency
Po = 0.38 WRMS, RL = 4Ω + ≥ 15µH
Po = 0.25 WRMS, RL = 8Ω+ ≥ 15µH
77
86
%
CMRR
Common Mode Rejection Ratio
f = 217Hz, RL = 8Ω, G = 6dB, ∆Vic = 200mVpp
54
dB
Gain
Gain value (Rin in kΩ)
V/V
RSTDBY
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), Po = 0.25W, RL = 8Ω
80
dB
TWU
Wake-up time
5ms
TSTB
Standby time
5ms
VN
Output Voltage Noise f = 20Hz to 20kHz, G = 6dB
Unweighted RL = 4Ω
A weighted RL = 4Ω
Unweighted RL = 8Ω
A weighted RL = 8Ω
Unweighted RL = 4Ω + 15µH
A weighted RL = 4Ω + 15µH
Unweighted RL = 4Ω + 30µH
A weighted RL = 4Ω + 30µH
Unweighted RL = 8Ω + 30µH
A weighted RL = 8Ω + 30µH
Unweighted RL = 4Ω + Filter
A weighted RL = 4Ω + Filter
Unweighted RL = 4Ω + Filter
A weighted RL = 4Ω + Filter
85
60
86
62
76
56
82
60
67
53
78
57
74
54
78
59
µVRMS
1)
Parameters guaranteed by evaluation and design, not by test.
2)
Standby mode is actived when Vstdby is tied to GND.
273k
Ω
R
in
------------------
300 k
Ω
R
in
------------------
327k
Ω
R
in
------------------



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