TYPICAL APPLICATIONS
RAIL-TO-RAIL WAVEFORM
RAIL-TO-RAIL VOLTAGE FOLLOWER/BUFFER
+5V
INPUT
5V
0V
~
13
Z
IN
= 10
Ω
0.1µF
+5V
-
OUTPUT
OUTPUT
0V
V
+
IN
1/2 ALD2711
Performance waveforms.
Upper trace is the output of a
Wien Bridge Oscillator. Lower
trace is the output of Rail-to-Rail
voltage follower.
0≤ V ≤ 5V
IN
* See Rail-to-Rail Waveform
RAIL-TO-RAIL WINDOW COMPARATOR
HIGH INPUT IMPEDANCE RAIL-TO-RAIL PRECISION
DC SUMMING AMPLIFIER
+5V
1/2 ALD2711
8
V+ = +2.5V
3
2
V
REF (HIGH)
+
-
100K
1/4 74 C00
1
10M
V
1
+
-
0.1µF
1/2 ALD2711
V
2
10M
10M
V
V
OUT
OUT
V
10M
IN
0.1µF
5
6
+
-
7
V
V
V- ≤ V ≤ V+
IN
3
V
REF (LOW)
4
V- ≤ V
OUT
≤ V+
100K
V- = - 2.5V
10M
4
1/2 ALD2711
10M
V
= V + V - V - V
1 2 3 4
OUT
R
IN
= 10MΩ Accuracy limited by resistor tolerances and input offset voltage
V
FOR V
< V < V
IN REF(HIGH)
OUT (LOW)
REF (LOW)
WIEN BRIDGE OSCILLATOR (RAIL-TO-RAIL)
SINE WAVE GENERATOR
PHOTO DETECTOR CURRENT TO
VOLTAGE CONVERTER
R
F
= 5M
+2.5V
-
V
OUT
I
1/2 ALD2711
+
V
I X R
F
+2.5V
OUT
=
10K
-2.5V
10K
-
PHOTODIODE
.01µF
R
L
= 100K
+
C = .01µF
-2.5V
1/2 ALD2711
10K
R = 10K
~
~
= 1.6KHZ
f =
1
2πRC
* See Rail-to-Rail Waveform
LOW VOLTAGE INSTRUMENTATION AMPLIFIER
0.1µF
V+
1M
+
100K
500K
1/2 ALD2711
-
100K
0.1µF
V+
+
V-
0.1µF
0.1µF
f max = 20KHz
50K
V+ 1M
V
OUT
-40mV ≤ V ≤ 40mV
IN
-
1/2 ALD2711
V+
V-
0.1µF
-
100K
1/2 ALD2711
V-
100K
1M
+
1M
V-
0.1µF
GAIN = 25 V- ≤ V
≤ V+ All resistors are 1%
V+ = +1.0V V- = -1.0V Short Circuit Input Current 1µA
OUT
ALD2711A/ALD2711B
ALD2711
Advanced Linear Devices
6 of 9
ALD [ ADVANCED LINEAR DEVICES ]
