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ADA4841-1 Datasheet(PDF) 5 Page - Analog Devices

Part No. ADA4841-1
Description  Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADA4841-1 Datasheet(HTML) 5 Page - Analog Devices

 
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ADA4841-1/ADA4841-2
Rev. C | Page 5 of 20
TA = 25°C, VS = 3 V, RL = 1 kΩ, Gain =+1, VCM = 1.5 V, unless otherwise noted.
Table 3.
Parameter
Conditions
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth
VO = 0.02 V p-p
52
80
MHz
Slew Rate
G = +1, VO = 2 V step, RL = 1 kΩ
10
12
V/μs
Settling Time to 0.1%
G = +1, VO = 1 V step
120
ns
Settling Time to 0.01%
G = +1, VO = 1 V step
250
ns
NOISE/HARMONIC PERFORMANCE
Harmonic Distortion HD2/HD3
fC = 100 kHz, VO = 1 V p-p
−97/−100
dBc
fC = 1 MHz, VO = 1 V p-p
−79/−80
dBc
Input Voltage Noise
f = 100 kHz
2.1
nV/√Hz
Input Current Noise
f = 100 kHz
1.4
pA/√Hz
DC PERFORMANCE
Input Offset Voltage
40
300
μV
Input Offset Voltage Drift
1
μV/°C
Input Bias Current
3
5.3
μA
Input Offset Current
0.1
0.5
μA
Open-Loop Gain
VO = 0.5 V to 2.5 V
101
123
dB
INPUT CHARACTERISTICS
Input Resistance, Common Mode
90
Input Resistance, Differential Mode
25
Input Capacitance, Common Mode
1
pF
Input Capacitance, Differential Mode
3
pF
Input Common-Mode Voltage Range
−0.1
+2
V
Common-Mode Rejection Ratio (CMRR)
VCM = Δ 0.4 V
86
115
dB
MATCHING CHARACTERISTICS (ADA4841-2)
Input Offset Voltage
70
μV
Input Bias Current
60
nA
POWER DOWN PIN (ADA4841-1)
POWER DOWN Voltage
Enabled
>1.6
POWER DOWN Voltage
Power down
<1.2
V
Input Current
Enable
POWER DOWN = 3 V
1
2
μA
Power Down
POWER DOWN = 0 V
−10
−30
μA
Switching Speed
Enable
1
μs
Power Down
40
μs
OUTPUT CHARACTERISTICS
Output Voltage Swing
G > +1
0.045 to 2.955
0.023 to 2.988
V
Output Current Limit
Sourcing, VIN = +VS, RL = 50 Ω to VCM
30
mA
Sinking, VIN = −VS, RL = 50 Ω to VCM
60
mA
Capacitive Load Drive
30% overshoot
30
pF
POWER SUPPLY
Operating Range
2.7
12
V
Quiescent Current/Amplifier
POWER DOWN = 3 V
1.1
1.3
mA
POWER DOWN = 0 V
25
60
μA
Positive Power Supply Rejection Ratio
+VS = +3 V to +4 V, −VS = 0 V
95
110
dB
Negative Power Supply Rejection Ratio
+VS = +3 V, −VS = 0 V to −1 V
96
120
dB


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