TS4973EIJT Ver la hoja de datos (PDF) - STMicroelectronics
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TS4973EIJT
STMicroelectronics
TS4973EIJT Datasheet PDF : 19 Pages
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TS4973
Electrical Characteristics
Table 4: Electrical Characteristics - VCC = +3.3V, GND = 0V, Tamb = 25°C (unless otherwise
specified)
Symbol
Parameter
Min. Typ. Max. Unit
ICC
Supply Current
No input signal, no load
5.5
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
350 500
mW
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 = 380mW rms, GS = Low (Av = 2)
20Hz < F < 20kHz, RL = 8Ω
uct(s) PSRR
Power Supply Rejection Ratio1
F = 217Hz, RL = 8Ω, GS = Low (Av = 2)
Vripple = 200mVpp, Input Grounded, Cin = 220nF, Cb = 1µF
Prod PSRR
Power Supply Rejection Ratio2
F = 217Hz, RL = 8Ω, GS = Low (Av = 2)
Vripple = 200mVpp, Input Floating, Cb = 1µF
te Zin
Input Impedance
GS = Low (Av = 2)
ole Rfeed Internal Feedback Resistor
bs Output Voltage Noise F = 20Hz to 20kHz, RL = 8Ω
Unweighted, Vstdby = Gnd
O A weighted, Vstdby = Gnd
- VN
Unweighted, GS = Low (Av = 2)
) A weighted, GS = Low (Av = 2)
t(s Unweighted, GS = High (Av = 10)
A weighted, GS = High (Av = 10)
0.5
%
53
dB
68
dB
37.5
50
62.5
KΩ
37.5
50
62.5
KΩ
6
2.5
23
µVRMS
15
56
40
uc 1) Dynamic measurements - 20*log(rms(Vout)/rms (Vripple)). Vripple is an added sinus signal to Vcc @ F = 217Hz
d 2) Dynamic measurements - 20*log(rms(Vout)/rms (Vripple)). Vripple is an added sinus signal to Vcc @ F = 217Hz
ro Table 5: Electrical characteristics - VCC = 2.8V, GND = 0V, Tamb = 25°C (unless otherwise
P specified)
te Symbol
Parameter
sole ICC
ObISTANDBY
Supply Current
No input signal, no load
Standby Current
No input signal, VGS = Gnd, Vstdby = Gnd, RL = 8Ω
Min. Typ. Max. Unit
5.5
8
mA
10 1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8Ω
5
50
mV
BTL GAIN
GS = Low (Av = 2)
input signal Vin = 100mV rms, No load
5.6
6
6.4
dB
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8Ω
250 350
mW
4/19
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