TYPICAL APPLICATIONS
RAIL-TO-RAIL VOLTAGE FOLLOWER/BUFFER
RAIL-TO-RAIL WAVEFORM
+5V
0V
~
Z
IN
= 10
12
Ω
5V
0.1µF
INPUT
-
OUTPUT
V
IN
0≤ V
IN
≤
5V
* See Rail to Rail Waveform
+
1/2 ALD2706
+5V
OUTPUT
0V
Performance waveforms.
Upper trace is the output of a
Wien Bridge Oscillator. Lower
trace is the output of Rail-to-Rail
voltage follower.
HIGH INPUT IMPEDANCE RAIL-TO-RAIL PRECISION
DC SUMMING AMPLIFIER
V+ = +2.5V
V
1
V
2
10M
10M
V
3
V
4
10M
V
OUT
= V
1
+ V
2
- V
3
- V
4
V- = - 2.5V
10M
V-
≤
V
OUT
≤
V+
10M
10M
0.1µF
V
OUT
0.1µF
RAIL-TO-RAIL WINDOW COMPARATOR
+5V
8
100K
V
REF (HIGH)
3
2
V
IN
+
-
V
OUT
5
+
7
100K
V
REF (LOW)
6
-
1/2 ALD2706
1
1/4 74 C00
R
IN
= 10MΩ Accuracy limited by resistor tolerances and input offset voltage
PHOTO DETECTOR CURRENT TO
VOLTAGE CONVERTER
R
F
= 5M
I
PHOTODIODE
-
+
+2.5V
V
OUT
= 1 X R
F
1/2 ALD2706
ALD2706A/ALD2706B
ALD2706
+
-
4
1/2 ALD2706
V
OUT (LOW)
FOR V
REF (LOW)
< V
IN
< V
REF(HIGH)
HIGH IMPEDANCE NON-INVERTING AMPLIFIER
100K
900K
+1V
V
OUT
-2.5V
R
L
= 100K
V
IN
+
-1V
1/2 ALD2706
LOW VOLTAGE INSTRUMENTATION AMPLIFIER
1/2 ALD2706
V+
0.1µF
R3
100K
R4
500K
+
-
V-
f max = 20KHz
-40mV
≤
V
IN
≤
40mV
0.1µF
100K
R1
50K
V+ 1M
V+
0.1µF
+
V
OUT
1/2 ALD2706
V-
0.1µF
V-
-
-
+
1/2 ALD2706
R2
100K
100K
V+ = +1.0V
V- = -1.0V
V-
≤
V
OUT
≤
V+
All resistors are 1%.
1M
V
OUT
= V
IN
( 1+ 2R2 ) (R4)
R1 R3
= 25 V
IN
Advanced Linear Devices
6
ALD [ ADVANCED LINEAR DEVICES ]
