AD524 Analog Devices, Inc., AD524 Datasheet - Page 14

• Manufacturer Part Number: AD524
• Description: Precision Instrumentation Amplifier
• Manufacturer: Analog Devices, Inc.

TEST CIRCUITS
AD524
–IN
20V p-p
INPUT
11kΩ
0.1%
CH
CH
CH
3
1
Figure 32. Simplified Circuit of Amplifier; Gain Is Defined as
((R56 + R57)/(R
100kΩ
, CH
0.1%
2
,
50µA
0.1%
4
1kΩ
I
3
Q1, Q3
100Ω
+
0.1%
20kΩ
Figure 31. Settling Time Test Circuit
R57
RG
I
50µA
1
C3
G
1
A1
)) +1; For a Gain of 1, R
404Ω
4.44kΩ
40Ω
–V
Rev. F | Page 14 of 28
+V
V
S
20kΩ
B
R56
S
G = 100
G = 1000
A2
G = 1000
50µA
RG
G = 100
C4
G = 10
Q2, Q4
I
2
+
2
RG
RG
1
2
16
13
12
11
1
3
2
I
50µA
4
–
+
G
20kΩ
0.01%
Is an Open Circuit
10kΩ
R53
AD524
CH
20kΩ
R54
–V
+V
2
CH
7
, CH
8
S
S
4
CH
1kΩ
10T
20kΩ
3
20kΩ
A3
R52
R55
,
1
10
6
10kΩ
0.1%
SENSE
REFERENCE
V
+IN
9
O
V
OUT