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TS4890IST データシート(PDF) 4 Page - STMicroelectronics

部品番号 TS4890IST
部品情報  RAIL TO RAIL OUTPUT 1W AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE LOW
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4890IST データシート(HTML) 4 Page - STMicroelectronics

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TS4890
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V
CC = 2.6V, GND = 0V, Tamb = 25°C (unless otherwise specified)
VCC = 2.2V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply Current
No input signal, no load
58
mA
ISTANDBY
Standby Current 1)
No input signal, Vstdby = GND, RL = 8Ω
1. Standby mode is actived when Vstdby is tied to GND
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
520
mV
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8
260
mW
THD + N
Total Harmonic Distortion + Noise
Po = 200mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8
0.15
%
PSRR
Power Supply Rejection Ratio2)
f = 217Hz, RL = 8
Ω, RFeed = 22KΩ, Vripple = 200mV rms
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc @ f = 217Hz
77
dB
Φ
M
Phase Margin at Unity Gain
RL = 8Ω, CL = 500pF
70
Degrees
GM
Gain Margin
RL = 8Ω, CL = 500pF
20
dB
GBP
Gain Bandwidth Product
RL = 8Ω
2MHz
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply Current
No input signal, no load
58
mA
ISTANDBY
Standby Current 1)
No input signal, Vstdby = GND, RL = 8Ω
1. Standby mode is actived when Vstdby is tied to GND
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
520
mV
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8
180
mW
THD + N
Total Harmonic Distortion + Noise
Po = 200mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8
0.15
%
PSRR
Power Supply Rejection Ratio2)
f = 217Hz, RL = 8
Ω, RFeed = 22KΩ, Vripple = 100mV rms
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc @ f = 217Hz
77
dB
Φ
M
Phase Margin at Unity Gain
RL = 8Ω, CL = 500pF
70
Degrees
GM
Gain Margin
RL = 8Ω, CL = 500pF
20
dB
GBP
Gain Bandwidth Product
RL = 8Ω
2MHz


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