TS4900 查看數據表（PDF） - STMicroelectronics
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TS4900 Datasheet PDF : 19 Pages
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TS4900
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 1)
No input signal, Vstdby = Vcc, RL = 8Ω
10 1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8Ω
5
20
mV
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8Ω
0.7
) THD + N
Total Harmonic Distortion + Noise
Po = 250mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8Ω
0.15
ct(s PSRR Power Supply Rejection Ratio2)
75
f = 217Hz, RL = 8Ω, RFeed = 22KΩ, Vripple = 200mV rms
rodu ) ΦM
Phase Margin at Unity Gain
RL = 8Ω, CL = 500pF
70
te P ct(s GM
Gain Margin
RL = 8Ω, CL = 500pF
20
sole rodu GBP
Gain Bandwidth Product
RL = 8Ω
2
b P 1. Standby mode is actived when Vstdby is tied to Vcc
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc @ f = 217Hz
W
%
dB
Degrees
dB
MHz
) - O lete VCC = +3.3V, GND = 0V, Tamb = 25°C (unless otherwise specified)3)
t(s so Symbol
Parameter
duc - Ob ICC
Supply Current
No input signal, no load
Pro t(s) ISTANDBY
Standby Current 1)
No input signal, Vstdby = Vcc, RL = 8Ω
lete duc Voo
Output Offset Voltage
No input signal, RL = 8Ω
so ro Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8Ω
Ob te P THD + N
Total Harmonic Distortion + Noise
Po = 250mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8Ω
ole PSRR Power Supply Rejection Ratio2)
s f = 217Hz, RL = 8Ω, RFeed = 22KΩ, Vripple = 200mV rms
Ob ΦM
Phase Margin at Unity Gain
RL = 8Ω, CL = 500pF
Min.
Typ.
5.5
10
5
300
0.15
75
70
Max.
8
Unit
mA
1000
nA
20
mV
mW
%
dB
Degrees
GM
Gain Margin
RL = 8Ω, CL = 500pF
20
dB
GBP
Gain Bandwidth Product
RL = 8Ω
2
MHz
1. Standby mode is actived when Vstdby is tied to Vcc
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc @ f = 217Hz
3. All electrical values are made by correlation between 2.6V and 5V measurements
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