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TS4995 数据表(PDF) 7 Page - STMicroelectronics

部件名 TS4995
功能描述  1.2 W fully differential audio power amplifier with selectable standby and 6 dB fixed gain
PDF  26 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4995 数据表(HTML) 7 Page - STMicroelectronics

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TS4995
Electrical characteristics
7/26
Table 6.
VCC = +2.6V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ. Max.
Unit
ICC
Supply current
No input signal, no load
3
7
mA
ISTBY
Standby current
No input signal, VSTBY = VSM = GND, RL = 8Ω
No input signal, VSTBY = VSM = VCC, RL = 8Ω
10
1000
nA
Voo
Differential output offset
voltage
No input signal, RL = 8Ω
0.1
10
mV
VIC
Input common mode voltage
0.6
1.5
V
Po
Output power
THD = 1% max, F= 1kHz, RL = 8Ω
200
300
mW
THD + N
Total harmonic distortion +
noise
Po = 225mW rms, 20Hz
≤ F ≤ 20kHz, RL = 8Ω
0.5
%
PSRRIG
Power supply rejection ratio
with inputs grounded(1)
F = 217Hz, R = 8
Ω, Cin = 4.7μF, Cb =1µF
Vripple = 200mVPP
75(2)
90
dB
CMRR
Common mode rejection
ratio
F = 217Hz, RL = 8Ω, Cin = 4.7μF, Cb =1µF
Vic = 200mVPP
60
dB
SNR
Signal-to-noise ratio
A-weighted filter
RL = 8Ω, THD +N < 0.7%, 20Hz ≤ F ≤ 20kHz
100
dB
GBP
Gain bandwidth product
RL = 8Ω
2MHz
VN
Output voltage noise
20Hz
≤F ≤20kHz, RL = 8Ω
Unweighted
A weighted
Unweighted, standby
A weighted, standby
11
7
3.5
1.5
µVRMS
Zin
Input impedance
15
20
25
k
Ω
-
Gain mismatch
5.5
6
6.5
dB
tWU
Wake-up time(3)
Cb =1µF
10
ms
1.
Dynamic measurements - 20*log(rms(Vout)/rms (Vripple)). Vripple is the super-imposed sinus signal relative to VCC.
2.
Guaranteed by design and evaluation.
3.
Transition time from standby mode to fully operational amplifier.



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