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AD7982 Datasheet(PDF) 4 Page - Analog Devices

Part # AD7982
Description  0.4 關V/째C Offset Drift, 105 MHz Low Power, Low Noise, Rail-to-Rail Amplifier
PDF  9 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7982 Datasheet(HTML) 4 Page - Analog Devices

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ADA4805-2-EP
Enhanced Product
Rev. 0 | Page 4 of 9
5 V SUPPLY
VS = 5 V at TA = 25°C; RF = 0 Ω for G = +1; otherwise, RF = 1 kΩ; RL = 2 kΩ to midsupply; unless otherwise noted. All specifications are
per amplifier.
Table 3.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth
G = +1, VOUT = 0.02 V p-p
105
MHz
G = +1, VOUT = 2 V p-p
35
MHz
Bandwidth for 0.1 dB Flatness
G = +1, VOUT = 0.02 V p-p
20
MHz
Slew Rate
G = +1, VOUT = 2 V step
160
V/µs
G = +2, VOUT = 4 V step
220
V/µs
Settling Time to 0.1%
G = +1, VOUT = 2 V step
35
ns
G = +2, VOUT = 4 V step
82
ns
NOISE/DISTORTION PERFORMANCE
Harmonic Distortion, HD2/HD31
fC = 20 kHz, VOUT = 2 V p-p
−114/−135
dBc
fC = 100 kHz, VOUT = 2 V p-p
−102/−126
dBc
fC = 20 kHz, G = +2, VOUT = 4 V p-p
−107/−143
dBc
fC = 100 kHz, G = +2, VOUT = 4 V p-p
−90/−130
dBc
Input Voltage Noise
f = 100 kHz
5.9
nV/√Hz
Input Voltage Noise 1/f Corner
8
Hz
0.1 Hz to 10 Hz Voltage Noise
54
nV rms
Input Current Noise
f = 100 kHz
0.6
pA/√Hz
DC PERFORMANCE
Input Offset Voltage
9
125
µV
Input Offset Voltage Drift2
TMIN to TMAX
0.4
2.7
µV/°C
Input Bias Current
470
720
nA
Input Offset Current
0.4
nA
Open-Loop Gain
VOUT = 1.25 V to 3.75 V
105
109
dB
INPUT CHARACTERISTICS
Input Resistance
Common Mode
50
MΩ
Differential Mode
260
kΩ
Input Capacitance
1
pF
Input Common-Mode Voltage Range
−0.1
+4
V
Common-Mode Rejection Ratio
VIN, CM = 1.25 V to 3.75 V
103
133
dB
OUTPUT CHARACTERISTICS
Overdrive Recovery Time (Rising/Falling
Edge)
VIN = −1 V to +6 V, G = +2
130/145
ns
Output Voltage Swing
RL = 2 kΩ
0.02
4.98
V
Short-Circuit Current
Sinking/sourcing
73/63
mA
Linear Output Current
<1% THD at 100 kHz, VOUT = 2 V p-p
±47
mA
Capacitive Load Drive
30% overshoot
15
pF
POWER SUPPLY
Operating Range
2.7
10
V
Quiescent Current per Amplifier
500
520
µA
Power Supply Rejection Ratio
Positive
+VS = 1.5 V to 3.5 V, −VS = −2.5 V
100
120
dB
Negative
+VS = 2.5 V, −VS = −1.5 V to −3.5 V
100
126
dB
1
fC is the fundamental frequency.
2
Guaranteed, but not tested.



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