AD705AQ AD [Analog Devices], AD705AQ Datasheet - Page 4

• Manufacturer Part Number: AD705AQ
• Description: Picoampere Input Current Bipolar Op Amp
• Manufacturer: AD [Analog Devices]

AD705–Typical Characteristics
Figure 1. Typical Distribution of
Input Offset Voltage
100
80
60
40
20
–0.5
–1.0
–1.5
+1.5
+1.0
+0.5
Figure 4. Input Common-Mode
Voltage Range vs. Supply Voltage
Figure 7. Typical Distribution of
Offset Voltage Drift
+V
–V
50
40
20
10
0
–
30
0
80
S
S
0
SAMPLE SIZE: 610
–0.4
SAMPLE SIZE: 85
–55 C TO +125 C
–60
INPUT OFFSET VOLTAGE – Microvolts
OFFSET VOLTAGE DRIFT – µV/ C
–
40
SUPPLY VOLTAGE – Volts
–0.2
5
–
20
0
0
10
+
20
+0.2
+
40
15
+60 +80
+0.4
20
(@ +25 C, V
Figure 5. Large Signal Frequency
Response
Figure 2. Typical Distribution of
Input Bias Current
Figure 8. Change in Input Offset
Voltage vs. Warm-Up Time
200
160
120
35
30
25
20
15
10
4
3
2
1
0
5
0
80
40
1k
0
0
–120
SAMPLE SIZE:
INPUT BIAS CURRENT – Picoamperes
1
WARM-UP TIME IN MINUTES
1040
S
=
–60
10k
FREQUENCY – Hz
–4–
2
15 V, unless otherwise noted)
0
3
100k
+60
4
+120
1M
5
100
–20
–40
–60
200
1.0
0.1
Figure 9. Input Bias Current vs.
Common-Mode Voltage
160
120
10
60
40
20
Figure 3. Typical Distribution of
Input Offset Current
Figure 6. Offset Voltage Drift vs.
Source Resistance
80
40
0
0
–15
1k
–120
INPUT OFFSET CURRENT – Picoamperes
SOURCE RESISTANCE
MAY BE EITHER BALANCED
OR UNBALANCED
–10
COMMON MODE VOLTAGE – Volts
10k
SOURCE RESISTANCE –
–60
–5
100k
POSITIVE I
0
0
SAMPLE SIZE: 510
1M
NEGATIVE I
+5
+60
B
10M
+10
REV. B
+120
B
100M
+15