TS4973IJT(2003) Ver la hoja de datos (PDF) - STMicroelectronics
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TS4973IJT
(Rev.:2003)
(Rev.:2003)
STMicroelectronics
TS4973IJT Datasheet PDF : 9 Pages
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TS4973
ELECTRICAL CHARACTERISTICS
VCC = +5V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Min. Typ.
ICC
Supply Current
No input signal, no load
6
ISTANDBY
Standby Current 1)
No input signal, Vstdby = Gnd, RL = 8Ω
10
Voo
Output Offset Voltage
No input signal, RL = 8Ω
5
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8Ω
0.85 1.2
BTL GAIN
GS = Low
input signal Vin = 100mV rms, RL = 8Ω
5.6
6
THD + N
Total Harmonic Distortion + Noise
Po = 250mW rms, GS = Low, 20Hz < f < 20kHz, RL = 8Ω
0.1
PSRR
Power Supply Rejection Ratio2)
F = 217Hz, RL = 8Ω, GS = Low, Vripple = 200mV rms
Input Grounded, Cin = 220nF, Cb = 1µF
50
53
Power Supply Rejection Ratio3)
PSRR
F = 217Hz, RL = 8Ω, GS = Low, Vripple = 200mV rms
75
Input floating, Cb = 1µF
Zin
Input Impedance
GS = Low
37.5 50
Rfeed Internal Feedback Resistor
37.5
50
ΦM
Phase Margin at GS = Low
RL = 8Ω, CL = 500pF
70
Gain Margin
GM
RL = 8Ω, CL = 500pF
20
Gain Bandwidth Product
GBP
RL = 8Ω
2
1. Standby mode is actived when Vstdby is tied to Gnd
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is an added sinus signal to Vcc @ f = 217Hz
3. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is an added sinus signal to Vcc @ f = 217Hz
Max.
8
Unit
mA
1000
nA
20
mV
W
6.4
dB
%
dB
dB
62.5
KΩ
62.5
KΩ
Degrees
dB
MHz
3/9
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