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TS4994IQT Folha de dados(PDF) 6 Page - STMicroelectronics

Nome de Peças TS4994IQT
Descrição Electrónicos  1W Differential Input/Output Audio Power Amplifier with Selectable Standby
Download  31 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4994IQT Folha de dados(HTML) 6 Page - STMicroelectronics

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TS4994
Electrical Characteristics
6/31
Table 5.
Electrical Characteristics - VCC = +2.6V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply Current
No input signal, no load
37
mA
ISTANDBY
Standby Current
No input signal, Vstdby = VSM = GND, RL = 8Ω
No input signal, Vstdby = VSM = VCC, RL = 8Ω
10
1000
nA
Voo
Differential Output Offset Voltage
No input signal, RL = 8
0.1
10
mV
VICM
Input Common Mode Voltage
CMRR
≤ -60dB
0.6
VCC-
0.9
V
Po
Output Power
THD = 1% Max, F= 1kHz, RL = 8
200
250
mW
THD + N
Total Harmonic Distortion + Noise
Po = 225mW rms, Av = 1, 20Hz
≤ F ≤ 20kHz, RL = 8Ω
0.5
%
PSRRIG
Power Supply Rejection Ratio with Inputs Grounded1
F = 217Hz, R = 8
Ω, Av = 1, Cin = 4.7µF, Cb =1µF
Vripple = 200mVPP
100
dB
CMRR
Common Mode Rejection Ratio
F = 217Hz, RL = 8
Ω, Av = 1, Cin = 4.7µF, Cb =1µF
Vic = 200mVPP
90
dB
SNR
Signal-to-Noise Ratio (A Weighted Filter, Av = 2.5)
(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, Av = 1
A weighted, Av = 1
Unweighted, Av = 2.5
A weighted, Av = 2.5
Unweighted, Av = 7.5
A weighted, Av = 7.5
Unweighted, Standby
A weighted, Standby
6
5.5
12
10.5
33
28
1.5
1
µVRMS
TWU
Wake-Up Time2
Cb =1µF
15
ms
1)
Dynamic measurements - 20*log(rms(Vout)/rms (Vripple)). Vripple is the super-imposed sinus signal relative to Vcc.
2)
Transition time from standby mode to fully operational amplifier.


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