AD704AQ AD [Analog Devices], AD704AQ Datasheet - Page 5

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

REV. A
1000
100
500
450
400
350
300
10
50
40
30
20
10
1
0
Figure 9. Typical Distribution of
Offset Voltage Drift
Figure 12. Input Noise Voltage
Spectral Density
Figure 15. Quiescent Supply
Current vs. Supply Voltage (per
Amplifier)
1
0
INPUT OFFSET VOLTAGE DRIFT – V/ C
–0.8
SUPPLY VOLTAGE – Volts
5
–0.4
FREQUENCY – Hz
+125 C
10
+25 C
–55 C
FIGURE 15
10
0
100
+0.4
15
+0.8
1000
20
1000
set
+160
+140
+120
+100
100
10
+80
+60
+20
+40
4
3
2
0
Figure 10. Change in Input Off-
1
1
Figure 13. Input Noise Current
Spectral Density
0
1
0
0.1
Figure 16. Common-Mode
Rejection vs. Frequency
Voltage vs. Warm-Up Time
V
S
1
WARM-UP TIME – Minutes
=
1
100
20M
15V
10
FREQUENCY – Hz
10
FREQUENCY – Hz
–5–
10k
2
100
V
1k
OUT
3
100
10k
4
100k 1M
1000
5
120
100
Figure 17. Power Supply Rejection
vs. Frequency
180
160
140
120
100
80
60
40
20
Figure 11. Input Bias Current vs.
Common-Mode Voltage
Figure 14. 0.1 Hz to 10 Hz Noise
Voltage
80
60
40
20
0
–15
0.1
COMMON MODE VOLTAGE – Volts
V = 15V
T = +25 C
–10
S
A
1
10
+PSR
FREQUENCY – Hz
–5
POSITIVE I
100
0
NEGATIVE I
1k
B
AD704
5
10k
–PSR
B
10
100k 1M
15