AD526 Analog Devices, Inc., AD526 Datasheet - Page 7

• Manufacturer Part Number: AD526
• Description: Software Programmable Gain Amplifier
• Manufacturer: Analog Devices, Inc.

REV. D
*Scope Traces are:
Top: Output Transition
Middle: Output Settling
Bottom: Digital Input
(OR EQUIVALENT
FLAT-TOP PULSE
GENERATOR)
16
DYNAMICS
G
1
2
4
8
DATA
5109
5.6k
2.8k
1.4k
715
348
R
IN
50
Figure 28. Gain Change Settling
Time,* Gain Change 1 to 8
R
10 F
IN
+15V –15V
+
AD526
10 F
10 F
+
AD3554
–15V
+
+15V –15V
–
+
AD526
10 F
5.6k
G = 16
+
+15V
+5V
10 F
+
1pF
5pF
10 F
Figure 30. Wideband Noise Test Circuit
+ 10 F
Figure 31. Settling Time Test Circuit
+
5k
5k
POT.
2k
SHIELD
V
10 F
ERROR
+15V –15V
+
OP37
IN6263
G = 10
10 F
–7–
+15V –15V
+
–
10 F
+
AD711
+
Figure 29. Gain Change Settling
Time,* Gain Change 1 to 16
10 F
NOTE: COAX CABLE 1 FT. OR LESS
900
100
+
V
o
10 F
= 160
–15V
AD3554
+
7000 SERIES
–
+
TEKTRONIX
5MHz BW
PREAMP
SCOPE
7A13
+15V
e
10 F
p-p
+
1pF
5k
1.25k
5k
V
ERROR
5
T
IN6263
SET
7000 SERIES
TEKTRONIX
16
G
5MHz BW
1
2
4
8
PREAMP
= TMEAS
SCOPE
7A13
1.2 s
1.2 s
1.2 s
1.4 s
1.8 s
T
X
AD526
2
– T
X
2