TS4890 Ver la hoja de datos (PDF) - STMicroelectronics
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TS4890 Datasheet PDF : 32 Pages
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TS4890
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
ISTANDBY
Standby Current 1)
No input signal, Vstdby = GND, RL = 8Ω
10 1000
Voo
Output Offset Voltage
No input signal, RL = 8Ω
5
20
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8Ω
1
THD + N
Total Harmonic Distortion + Noise
Po = 250mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8Ω
0.15
PSRR Power Supply Rejection Ratio2)
77
f = 217Hz, RL = 8Ω, RFeed = 22KΩ, Vripple = 200mV rms
ΦM
Phase Margin at Unity Gain
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 the surimposed sinus signal to Vcc @ f = 217Hz
mA
nA
mV
W
%
dB
Degrees
dB
MHz
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
ISTANDBY
Standby Current 1)
No input signal, Vstdby = GND, RL = 8Ω
10 1000
Voo
Output Offset Voltage
No input signal, RL = 8Ω
5
20
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8Ω
450
THD + N
Total Harmonic Distortion + Noise
Po = 250mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8Ω
0.15
PSRR Power Supply Rejection Ratio2)
77
f = 217Hz, RL = 8Ω, RFeed = 22KΩ, Vripple = 200mV rms
ΦM
Phase Margin at Unity Gain
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 the surimposed sinus signal to Vcc @ f = 217Hz
mA
nA
mV
mW
%
dB
Degrees
dB
MHz
3/32
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