TS4973IJT Ver la hoja de datos (PDF) - STMicroelectronics
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TS4973IJT
STMicroelectronics
TS4973IJT Datasheet PDF : 19 Pages
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Electrical Characteristics
TS4973
2 Electrical Characteristics
Table 3: Electrical Characteristics - VCC = +5V, GND = 0V, Tamb = 25°C (unless otherwise
specified)
Symbol
Parameter
Min. Typ. Max. Unit
ICC
Supply Current
No input signal, no load
6
8
mA
ISTANDBY
Standby Current
No input signal, VGS = Gnd, Vstdby = Gnd, RL = 8Ω
10 1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8Ω
5
50
mV
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8Ω
0.85 1.2
W
BTL GAIN
GS = Low (Av = 2)
input signal Vin = 100mV rms, No load
5.6
6
6.4
dB
Total Harmonic Distortion + Noise
) THD + N Po = 900mW rms, GS = Low (Av = 2)
t(s 20Hz < F < 20kHz, RL = 8Ω
duc PSRR
Power Supply Rejection Ratio1
F = 217Hz, RL = 8Ω, GS = Low (Av = 2)
Vripple = 200mVpp, Input Grounded, Cin = 220nF, Cb = 1µF
te Pro PSRR
Power Supply Rejection Ratio2
F = 217Hz, RL = 8Ω, GS = Low (Av = 2)
Vripple = 200mVpp, Input Floating, Cb = 1µF
ole Zin
Input Impedance
GS = Low (Av = 2)
bs Rfeed Internal Feedback Resistor
O Output Voltage Noise F = 20Hz to 20kHz, RL = 8Ω
- Unweighted, Vstdby = Gnd
) A weighted, Vstdby = Gnd
t(s VN
Unweighted, GS = Low (Av = 2)
A weighted, GS = Low (Av = 2)
c Unweighted, GS = High (Av = 10)
u A weighted, GS = High (Av = 10)
0.5
53
70
37.5 50 62.5
37.5 50 62.5
6
2.5
23
15
56
40
rod 1) Dynamic measurements - 20*log(rms(Vout)/rms (Vripple)). Vripple is an added sinus signal to Vcc @ F = 217Hz
Obsolete P 2) Dynamic measurements - 20*log(rms(Vout)/rms (Vripple)). Vripple is an added sinus signal to Vcc @ F = 217Hz
%
dB
dB
KΩ
KΩ
µVRMS
3/19
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