TS4994 데이터 시트보기 (PDF) - STMicroelectronics
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TS4994 Datasheet PDF : 31 Pages
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Electrical Characteristics
TS4994
Table 4. Electrical Characteristics: VCC = +3.3V (all electrical values are guaranteed with correlation
measurements at 2.6V and 5V) GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Min. Typ.
Max.
ICC
Supply Current No input signal, no load
ISTANDBY
Standby Current
No input signal, Vstdby = VSM = GND, RL = 8Ω
No input signal, Vstdby = VSM = VCC, RL = 8Ω
Voo
Differential Output Offset Voltage
No input signal, RL = 8Ω
VICM
Input Common Mode Voltage
CMRR ≤ -60dB
Po
Output Power
THD = 1% Max, F= 1kHz, RL = 8Ω
THD + N
Total Harmonic Distortion + Noise
Po = 300mW rms, Av = 1, 20Hz ≤ F ≤ 20kHz, RL = 8Ω
PSRRIG
Power Supply Rejection Ratio with Inputs Grounded1
F = 217Hz, R = 8Ω, Av = 1, Cin = 4.7µF, Cb =1µF
Vripple = 200mVPP
CMRR
Common Mode Rejection Ratio
F = 217Hz, RL = 8Ω, Av = 1, Cin = 4.7µF, Cb =1µF
Vic = 200mVPP
SNR
Signal-to-Noise Ratio (A Weighted Filter, Av = 2.5)
(RL = 8Ω, THD +N < 0.7%, 20Hz ≤ F ≤ 20kHz)
GBP
Gain Bandwidth Product
RL = 8Ω
Output Voltage Noise, 20Hz ≤ F ≤ 20kHz, RL = 8Ω
Unweighted, Av = 1
A weighted, Av = 1
Unweighted, Av = 2.5
VN
A weighted, Av = 2.5
Unweighted, Av = 7.5
A weighted, Av = 7.5
Unweighted, Standby
A weighted, Standby
TWU
Wake-Up Time2
Cb =1µF
3
7
10
1000
0.1
10
0.6
VCC- 0.9
300 380
0.5
100
90
100
2
6
5.5
12
10.5
33
28
1.5
1
15
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.
Unit
mA
nA
mV
V
mW
%
dB
dB
dB
MHz
µVRMS
ms
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