TYPICAL APPLICATIONS
RAIL-TO-RAIL VOLTAGE FOLLOWER/BUFFER
RAIL-TO-RAIL WAVEFORM
+5V
0V
5V
~
12
INPUT
Z
= 10
Ω
IN
0.1µF
-
+5V
0V
OUTPUT
OUTPUT
V
+
IN
0≤ V ≤ 5V
IN
Performance waveforms.
Upper trace is the output of a
Wien Bridge Oscillator. Lower
trace is the output of Rail-to-rail
voltage follower.
* See Rail to Rail Waveform
PHOTO DETECTOR CURRENT TO
VOLTAGE CONVERTER
HIGH INPUT IMPEDANCE RAIL-TO-RAIL
PRECISION DC SUMMING AMPLIFIER
R
F
= 5M
+2.5V
10M
V
1
+
I
0.1µF
V
2
V
OUT
1 X R
=
F
+2.5V
10M
V
OUT
-
10M
PHOTODIODE
0.1µF
-
10M
V
V- ≤ V ≤ V+
IN
3
4
R
L
= 100K
+
- 2.5V
-2.5V
V
V- ≤ V
≤ V+
OUT
10M
10M
= 10MΩ Accuracy limited by resistor tolerances and input offset voltage
V
= V + V - V - V
1 2 3 4
OUT
R
IN
WIEN BRIDGE OSCILLATOR (RAIL-TO-RAIL)
SINE WAVE GENERATOR
RAIL-TO-RAIL VOLTAGE COMPARATOR
+5V
+2.5V
-
V
IN
0.1µF
OUTPUT
-
+5V
+
10K
-2.5V
10K
OUTPUT
+
50K
.01µF
C = .01µF
10K
R = 10K
10M
1
~
f =
~ 1.6KHz
2πR
C
* See Rail to Rail Waveform
LOW VOLTAGE INSTRUMENTATION AMPLIFIER
V+
0.1µF
1M
+
100K
500K
V+
-
-
100K
0.1µF
V-
0.1µF
0.1µF
f max = 20KHz
V
OUT
50K
V+ 1M
100K
-40mV ≤ V ≤ 40mV
IN
+
V+
-
0.1µF
V-
V-
1M
100K
1M
+
GAIN = 25 V- ≤ V
≤ V+. All resistors are 1%.
OUT
V+ = +1.0V, V- = -1.0V. Short circuit input current 1µA.
0.1µF
V-
ALD1701A/ALD1701B
ALD1701/ALD1701G
Advanced Linear Devices
6