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ADA4851-1 Datasheet(PDF) 3 Page - Analog Devices

Part No. ADA4851-1
Description  Low Cost, High Speed, Rail-to-Rail, Output Op Amps
Download  20 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADA4851-1 Datasheet(HTML) 3 Page - Analog Devices

 
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ADA4851-1/ADA4851-2/ADA4851-4
Rev. D | Page 3 of 20
SPECIFICATIONS
SPECIFICATIONS WITH +3 V SUPPLY
TA = 25°C, RF = 0 Ω for G = +1, RF = 1 kΩ for G > +1, RL = 1 kΩ, unless otherwise noted.
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth
G = +1, VO = 0.1 V p-p
104
130
MHz
G = +1, VO = 0.5 V p-p
80
105
MHz
G = +2, VO = 1.0 V p-p, RL = 150 Ω
40
MHz
Bandwidth for 0.1 dB Flatness
G = +2, VO = 1 V p-p, RL = 150 Ω
15
MHz
Slew Rate
G = +2, VO = 1 V step
100
V/μs
Settling Time to 0.1%
G = +2, VO = 1 V step, RL = 150 Ω
50
ns
NOISE/DISTORTION PERFORMANCE
Harmonic Distortion (dBc) HD2/HD3
fC = 1 MHz, VO = 1 V p-p, G = −1
−73/−79
dBc
Input Voltage Noise
f = 100 kHz
10
nV/√Hz
Input Current Noise
f = 100 kHz
2.5
pA/√Hz
Differential Gain
G = +3, NTSC, RL = 150 Ω, VO = 2 V p-p
0.44
%
Differential Phase
G = +3, NTSC, RL = 150 Ω, VO = 2 V p-p
0.41
Degrees
Crosstalk (RTI)—ADA4851-2/ADA4851-4
f = 5 MHz, G = +2, VO = 1.0 V p-p
−70/−60
dB
DC PERFORMANCE
Input Offset Voltage
0.6
3.3
mV
Input Offset Voltage Drift
4
μV/°C
Input Bias Current
2.3
4.0
μA
Input Bias Current Drift
6
nA/°C
Input Bias Offset Current
20
nA
Open-Loop Gain
VO = 0.25 V to 0.75 V
80
105
dB
INPUT CHARACTERISTICS
Input Resistance
Differential/common-mode
0.5/5.0
Input Capacitance
1.2
pF
Input Common-Mode Voltage Range
−0.2 to +0.8
V
Input Overdrive Recovery Time (Rise/Fall)
VIN = +3.5 V, −0.5 V, G = +1
60/60
ns
Common-Mode Rejection Ratio
VCM = 0 V to 0.5 V
−81
−103
dB
POWER-DOWN
Power-Down Input Voltage
Power-down
<1.1
V
Enabled
>1.6
V
Turn-Off Time
0.7
μs
Turn-On Time
60
ns
Power-Down Bias Current
Enabled
Power-down = 3 V
4
6
μA
Power-Down
Power-down = 0 V
−14
−20
μA
OUTPUT CHARACTERISTICS
Output Overdrive Recovery Time (Rise/Fall)
VIN = +0.7 V, −0.1 V, G = +5
70/100
ns
Output Voltage Swing
0.05 to 2.91
0.03 to 2.94
V
Short-Circuit Current
Sinking/sourcing
90/70
mA
POWER SUPPLY
Operating Range
2.7
12
V
Quiescent Current per Amplifier
2.4
2.7
mA
Quiescent Current (Power-Down)
Power-down = low
0.2
0.3
mA
Positive Power Supply Rejection
+VS = +2.5 V to +3.5 V, −VS = −0.5 V
−81
−100
dB
Negative Power Supply Rejection
+VS = +2.5 V, −VS = −0.5 V to –1.5 V
−80
−100
dB


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