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TS4990 Arkusz danych(PDF) 3 Page - STMicroelectronics

Numer części TS4990
Szczegółowy opis  1W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE
PDF  6 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4990 Arkusz danych(HTML) 3 Page - STMicroelectronics

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TS4990
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ELECTRICAL CHARACTERISTICS
V
CC = +5V, GND = 0V, Tamb = 25°C (unless otherwise specified)
V
CC = +3.3V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply Current
No input signal, no load
4
6
mA
ISTANDBY
Standby Current 1)
No input signal, Vstdby = GND, RL = 8Ω
1. Standby mode is actived when Vstdby is tied to Gnd
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
Ω
520
mV
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8
Ω
0.8
1
W
THD + N
Total Harmonic Distortion + Noise
Po = 250mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8
Ω
0.15
%
PSRR
Power Supply Rejection Ratio2)
RL = 8
Ω, Gv = 2, Vripple = 200mVpp, Input Grounded
F = 217Hz
F = 1kHz
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc.
55
55
62
66
dB
TWU
Wake-Up Time
100
TBD
ms
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply Current
No input signal, no load
4
6
mA
ISTANDBY
Standby Current 1)
No input signal, Vstdby = GND, RL = 8Ω
1. Standby mode is actived when Vstdby is tied to Vcc
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
Ω
520
mV
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8
Ω
380
450
mW
THD + N
Total Harmonic Distortion + Noise
Po = 250mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8
Ω
0.15
%
PSRR
Power Supply Rejection Ratio2)
RL = 8
Ω, Gv = 2, Vripple = 200mVpp, Input Grounded
F = 217Hz
F = 1kHz
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc.
55
55
62
66
dB
TWU
Wake-Up Time
130
TBD
ms



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