AD745AN Analog Devices, AD745AN Datasheet - Page 6

• Manufacturer Part Number: AD745AN
• Description: Ultralow Noise/ High Speed/ BiFET Op Amp
• Manufacturer: Analog Devices

AD745
V
SQUARE
Figure 19. Distribution of Offset
Voltage Drift. T
SQUARE
IN
WAVE
INPUT
WAVE
INPUT
Figure 22a. Gain of 5 Follower,
8-Pin Package Pinout
Figure 23a. Gain of 4 Inverter,
8-Pin Package Pinout
54
72
66
60
48
36
30
24
18
12
42
V
6
0
499
IN
–15
INPUT OFFSET VOLTAGE DRIFT – V/ C
TOTAL UNITS = 760
–Typical Characteristics
499
–10
2
3
2
3
AD745
AD745
4
–V
2k
–V
–5
20pF
A
S
S
4
= +25 C to +125 C
7
+V
+V
20pF
0
2k
S
S
7
0.1 F
0.1 F
6
5
6
0.1 F
0.1
F
10
10pF
C
10pF
o
C
V
V
L
L
OUT
15
OUT
Figure 23b. Gain of 4 Inverter Large
Signal Pulse Response
100
100
90
10
0 %
90
10
0 %
Figure 20. Typical Input Noise
Voltage Distribution @ 10 kHz
Figure 22b. Gain of 5 Follower
Large Signal Pulse Response
594
540
486
432
378
324
270
216
162
108
648
54
0
2.6
INPUT VOLTAGE NOISE @ 10kHz – nV/ Hz
2.7
2.8
5V
5V
2.9
–6–
3.0
TOTAL UNITS = 4100
3.1
2 s
3.2
2 s
3.3
3.4
Figure 22c. Gain of 5 Follower Small
Signal Pulse Response
Figure 21. Offset Null Configuration,
8-Pin Package Pinout
Figure 23c. Gain of 4 Inverter Small
Signal Pulse Response
100
100
90
10
0 %
0.1 F
90
10
0 %
1 F
2
3
+
AD745
–V
+V
S
4
S
50mV
50mV
7
1
ADJUST
5
1 F
V
6
+
OS
500nS
0.1 F
500nS
1M
REV. C
2M