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AD781 데이터시트(PDF) 2 Page - Analog Devices

부품명 AD781
상세설명  Complete 700 ns Sample-and-Hold Amplifier
PDF  8 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

AD781 데이터시트(HTML) 2 Page - Analog Devices

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REV. A
–2–
AD781–SPECIFICATIONS
DC SPECIFICATIONS
AD781J
AD781A
AD781S
Parameter
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Units
SAMPLING CHARACTERISTICS
Acquisition Time
10 V Step to 0.01%
600
700
600
700
600
700
ns
10 V Step to 0.1%
500
600
500
600
500
600
ns
Small Signal Bandwidth
4
4
4
MHz
Full Power Bandwidth
1
1
1
MHz
HOLD CHARACTERISTICS
Effective Aperture Delay (25
°C)
–35
–25
–15
–35
–25
–15
–35
–25
–15
ns
Aperture Jitter (25
°C)
50
75
50
75
50
75
ps
Hold Settling (to 1 mV, 25
°C)
250
500
250
500
250
500
ns
Droop Rate
0.01
1
0.01
1
0.01
1
µV/µs
Feedthrough (25
°C)
(VIN = ± 5 V, 100 kHz)
–86
–86
–86
dB
ACCURACY CHARACTERISTICS
1
Hold Mode Offset
–4
–1
+3
–4
–1
+3
–4
–1
+3
mV
Hold Mode Offset Drift
10
10
10
µV/°C
Sample Mode Offset
50
200
50
200
50
200
mV
Nonlinearity
±0.002 ±0.003
±0.002 ±0.003
±0.003 ±0.005
% FS
Gain Error
±0.01
±0.025
±0.01
±0.025
±0.01
±0.025
% FS
OUTPUT CHARACTERISTICS
Output Drive Current
–5
+5
–5
+5
–5
+5
mA
Output Resistance, DC
0.3
0.5
0.3
0.5
0.3
0.5
Ω
Total Output Noise (DC to 5 MHz)
150
150
150
µV rms
Sampled DC Uncertainty
85
85
85
µV rms
Hold Mode Noise (DC to 5 MHz)
125
125
125
µV rms
Short Circuit Current
Source
20
20
20
mA
Sink
10
10
10
mA
INPUT CHARACTERISTICS
Input Voltage Range
–5
+5
–5
+5
–5
+5
V
Bias Current
50
250
50
250
50
250
nA
Input Impedance
50
50
50
M
Ω
Input Capacitance
2
2
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
±13.2
±10.8 ±12
±13.2
±10.8 ±12
±13.2
V
Supply Current
4
6.5
4
6.5
4
7
mA
+PSRR (+12 V
± 10%)
70
80
70
80
70
80
dB
–PSRR (–12 V
± 10%)
65
75
65
75
65
75
dB
Power Consumption
95
175
95
175
95
185
mW
TEMPERATURE RANGE
Specified Performance
0
+70
–40
+85
–55
+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.
(TMIN to TMAX, VCC = +12 V
10%, VEE = –12 V
10%, CL = 20 pF, unless otherwise noted)



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