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AD8476 Datasheet(PDF) 4 Page - Analog Devices

Part # AD8476
Description  Low Power, Unity Gain, Fully Differential Amplifier and ADC Driver
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD8476 Datasheet(HTML) 4 Page - Analog Devices

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Data Sheet
AD8476
Rev. B | Page 3 of 24
SPECIFICATIONS
VS = +5 to ±5 V, VOCM = midsupply, VOUT = V+OUT − V−OUT, RL = 2 kΩ differential, referred to output (RTO), TA = 25°C, unless
otherwise noted.
Table 1.
Parameter
Test Conditions/Comments
B Grade
A Grade
Unit
Min
Typ
Max
Min
Typ
Max
DYNAMIC PERFORMANCE
−3 dB Small Signal Bandwidth
VOUT = 200 mV p-p
6
6
MHz
−3 dB Large Signal Bandwidth
VOUT = 2 V p-p
1
1
MHz
Slew Rate
VOUT = 2 V step
10
10
V/µs
Settling Time to 0.01%
VOUT = 2 V step
1.0
1.0
µs
Settling Time to 0.001%
VOUT = 2 V step
1.6
1.6
µs
NOISE/DISTORTION1
THD + N
f = 10 kHz, VOUT = 2 V p-p,
22 kHz filter
−102
−102
dB
HD2
f = 10 kHz, VOUT = 2 V p-p
−126
−126
dB
HD3
f = 10 kHz, VOUT = 2 V p-p
−128
−128
dB
IMD3
f1 = 95 kHz, f2 = 105 kHz,
VOUT = 2 V p-p
−82
−82
dBc
Output Voltage Noise
f = 0.1 Hz to 10 Hz
6
6
µV p-p
Spectral Noise Density
f = 10 kHz
39
39
nV/√Hz
GAIN
1
1
V/V
Gain Error
RL = ∞
0.02
0.04
%
Gain Drift
−40°C ≤ TA ≤ +125°C
1
1
ppm/°C
Gain Nonlinearity
VOUT = 4 V p-p
5
5
ppm
OFFSET AND CMRR
Differential Offset2
50
200
50
500
µV
vs. Temperature
−40°C ≤ TA ≤ +125°C
900
900
µV
Average TC
−40°C ≤ TA ≤ +125°C
1
4
1
4
µV/°C
vs. Power Supply (PSRR)
VS = ±2.5 V to ±9 V
90
90
dB
Common-Mode Offset2
50
50
µV
Common-Mode Rejection
Ratio
VIN,cm = ±5 V
90
80
dB
INPUT CHARACTERISTICS
Input Voltage Range3
Differential input
−VS + 0.05
+VS − 0.05
−VS+ 0.05
+VS − 0.05
V
Single-ended input
2(−VS + 0.05)
2(+V − 0.05) 2(−VS + 0.05)
2(+VS− 0.05)
V
Impedance4
Vcm = VS/2
Single-Ended Input
13.3
13.3
kΩ
Differential Input
20
20
kΩ
Common-Mode Input
10
10
kΩ
OUTPUT CHARACTERISTICS
Output Swing
VS = +5 V
−VS + 0.125
+VS − 0.14
−VS + 0.125
+VS − 0.14
VS = ±5 V
−VS + 0.155
+VS − 0.18
−VS + 0.155
+VS − 0.18
Output Balance Error
∆VOUT,cm/∆VOUT,dm
90
80
dB
Output Impedance
0.1
0.1
Capacitive Load
Per output
20
20
pF
Short-Circuit Current Limit
35
35
mA
VOCM CHARACTERISTICS
VOCM Input Voltage Range
−VS + 1
+VS − 1
−VS + 1
+VS − 1
V
VOCM Input Impedance
500
500
kΩ
VOCM Gain Error
0.05
0.05
%


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