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ADA4841-1 Datasheet(PDF) 4 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) 4 Page - Analog Devices

 
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ADA4841-1/ADA4841-2
Rev. C | Page 4 of 20
TA = 25°C, VS = 5 V, RL = 1 kΩ, Gain = +1, VCM = 2.5 V, unless otherwise noted.
Table 2.
Parameter
Conditions
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth
VO = 0.02 V p-p
54
80
MHz
VO = 2 V p-p
3
MHz
Slew Rate
G = +1, VO = 4 V step, RL = 1 kΩ
10
12
V/μs
Settling Time to 0.1%
G = +1, VO = 2 V step
175
ns
Settling Time to 0.01%
G = +1, VO = 2 V step
550
ns
NOISE/HARMONIC PERFORMANCE
Harmonic Distortion HD2/HD3
fC = 100 kHz, VO = 2 V p-p
−109/−105
dBc
fC = 1 MHz, VO = 2 V p-p
−78/−66
dBc
Input Voltage Noise
f = 100 kHz
2.1
nV/√Hz
Input Current Noise
f = 100 kHz
1.4
pA/√Hz
Crosstalk
f = 100 kHz
−117
dB
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
0.4
μA
Open-Loop Gain
VO = 0.5 V to 4.5 V
103
124
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
+4
V
Common-Mode Rejection Ratio (CMRR)
VCM = Δ 1.5 V
88
115
dB
MATCHING CHARACTERISTICS (ADA4841-2)
Input Offset Voltage
70
μV
Input Bias Current
70
nA
POWER DOWN PIN (ADA4841-1)
POWER DOWN Voltage
Enabled
>3.6
POWER DOWN Voltage
Power down
<3.2
V
Input Current
Enable
POWER DOWN = 5 V
1
2
μA
Power Down
POWER DOWN = 0 V
−13
−30
μA
Switching Speed
Enable
1
μs
Power Down
40
μs
OUTPUT CHARACTERISTICS
Output Voltage Swing
G > +1
0.08 to 4.92
0.029 to 4.974
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
15
pF
POWER SUPPLY
Operating Range
2.7
12
V
Quiescent Current/Amplifier
POWER DOWN = 5 V
1.1
1.4
mA
POWER DOWN = 0 V
35
70
μA
Positive Power Supply Rejection Ratio
+VS = +5 V to +6 V, −VS = 0 V
95
110
dB
Negative Power Supply Rejection Ratio
+VS = +5 V, −VS = 0 V to −1 V
96
120
dB


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