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AD781 Datasheet, PDF (2/8 Pages) Analog Devices – Complete 700 ns Sample-and-Hold Amplifier | |||
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AD781âSPECIFICATIONS
DC SPECIFICATIONS (TMIN to TMAX, VCC = +12 V Ø 10%, VEE = â12 V Ø 10%, CL = 20 pF, unless otherwise noted)
Parameter
AD781J
Min Typ Max
AD781A
Min Typ Max
AD781S
Min Typ Max
Units
SAMPLING CHARACTERISTICS
Acquisition Time
10 V Step to 0.01%
10 V Step to 0.1%
Small Signal Bandwidth
Full Power Bandwidth
HOLD CHARACTERISTICS
Effective Aperture Delay (25°C)
â35
Aperture Jitter (25°C)
Hold Settling (to 1 mV, 25°C)
Droop Rate
Feedthrough (25°C)
(VIN = ± 5 V, 100 kHz)
ACCURACY CHARACTERISTICS1
Hold Mode Offset
â4
Hold Mode Offset Drift
Sample Mode Offset
Nonlinearity
Gain Error
OUTPUT CHARACTERISTICS
Output Drive Current
â5
Output Resistance, DC
Total Output Noise (DC to 5 MHz)
Sampled DC Uncertainty
Hold Mode Noise (DC to 5 MHz)
Short Circuit Current
Source
Sink
INPUT CHARACTERISTICS
Input Voltage Range
â5
Bias Current
Input Impedance
Input Capacitance
600 700
500 600
4
1
â25 â15
â35
50
75
250 500
0.01 1
â86
â1
+3
â4
10
50
200
± 0.002 ± 0.003
± 0.01 ±0.025
+5
â5
0.3 0.5
150
85
125
20
10
+5
â5
50
250
50
2
600 700
500 600
4
1
â25 â15
â35
50
75
250 500
0.01 1
â86
â1
+3
â4
10
50
200
± 0.002 ± 0.003
± 0.01 ±0.025
+5
â5
0.3 0.5
150
85
125
20
10
+5
â5
50
250
50
2
600 700
500 600
4
1
ns
ns
MHz
MHz
â25 â15
50
75
250 500
0.01 1
â86
ns
ps
ns
µV/µs
dB
â1
+3
10
50
200
± 0.003 ± 0.005
± 0.01 ±0.025
mV
µV/°C
mV
% FS
% FS
+5
0.3 0.5
150
85
125
20
10
mA
â¦
µV rms
µV rms
µV rms
mA
mA
+5
V
50
250
nA
50
Mâ¦
2
pF
DIGITAL CHARACTERISTICS
Input Voltage Low
0.8
0.8
0.8
V
Input Voltage High
2.0
2.0
2.0
V
Input Current High (VIN = 5 V)
2
10
2
10
2
10
µA
POWER SUPPLY CHARACTERISTICS
Operating Voltage Range
± 10.8 ± 12
Supply Current
4
+PSRR (+12 V ± 10%)
70 80
âPSRR (â12 V ± 10%)
65 75
Power Consumption
95
± 13.2
6.5
175
± 10.8 ± 12
4
70 80
65 75
95
± 13.2
6.5
175
± 10.8 ± 12
4
70 80
65 75
95
± 13.2 V
7
mA
dB
dB
185
mW
TEMPERATURE RANGE
Specified Performance
0
+70
â40
+85
â55
+125 °C
NOTE
1Specified and tested over an input range of ± 5 V.
Specifications subject to change without notice.
Specifications shown in boldface are tested on all devices at final electrical test. Results from those tests are used to calculate outgoing quality levels. All min and max
specifications are guaranteed although only those shown in boldface are tested.
â2â
REV. A
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