AD704AQ AD [Analog Devices], AD704AQ Datasheet - Page 6

• Manufacturer Part Number: AD704AQ
• Description: Quad Picoampere Input Current Bipolar Op Amp
• Manufacturer: AD [Analog Devices]

AD704
Figure 21. Closed-Loop Output
Impedance vs. Frequency
100k
0.001
10M
Figure 18. Open-Loop Gain vs.
Load Resistance Over Temperature
1000
100
Figure 22c. Unity Gain Follower
Small Signal Pulse Response
R
90
0%
0.01
10
1M
100
0.1
F
10
1
= 0 , C
1
1
20mV
2
10
LOAD RESISTANCE – k
L
4
= 100 pF
A = –1000
FREQUENCY – Hz
V
100
6 8
10
1k
I
OUT
A = +1
V
5µs
+125 C
+25 C
= +1mA
–55 C
10k
100
100k
Figure 19. Open-Loop Gain and Phase
vs. Frequency
V
WAVE INPUT
IN
–20
Figure 22a. Unity Gain Follower
(For Large Signal Applications,
Resistor R
Through the Input Protection
Diodes)
120
100
SQUARE
140
80
60
40
20
Figure 22d. Unity Gain Follower
Small Signal Pulse Response
R
0
100
90
0%
0.01 0.1 1
10
F
= 0 , C
20mV
F
AD704
FREQUENCY – Hz
+V
–V
Limits the Current
10 100
L
1/4
S
S
= 1,000 pF
–6–
R
0.1 F
GAIN
F
1k 10k 100k 1M 10M
0.1 F
PHASE
2k
R
L
5µs
C
120
0
60
90
150
180
30
L
V
OUT
Figure 20. Output Voltage Swing vs.
Supply Voltage
Figure 23a. Unity Gain Inverter
Connection
WAVE INPUT
V
100
Figure 22b. Unity Gain Follower
Large Signal Pulse Response
R
0%
IN
90
10
SQUARE
F
–0.5
–1.0
–1.5
+1.5
+1.0
+0.5
= 10 k , C
+V
–V
S
S
10kΩ
0
R = 10k
L
AD704
SUPPLY VOLTAGE – Volts
+V
–V
L
5
1/4
S
= 1,000 pF
S
10kΩ
2V
0.1 µF
10
0.1 µF
2.5kΩ
R
L
50µs
15
REV. A
C
L
V
OUT
20