TYPICAL APPLICATIONS
RAIL-TO-RAIL VOLTAGE FOLLOWER/BUFFER
RAIL-TO-RAIL WAVEFORM
+5V
5V
INPUT
~
12
Z
= 10
Ω
IN
0V
0.1µF
-
+5V
OUTPUT
C
L
OUTPUT
V
IN
0V
+
R
L
=10KΩ
400pF
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
LOW OFFSET SUMMING AMPLIFIER
RAIL-TO-RAIL VOLTAGE COMPARATOR
50K
+5V
+2.5V
10K
10K
.01µF
.01µF
INPUT 1
INPUT 2
0.1µF
V
IN
-
-
+5V
OUTPUT
OUTPUT
= 4000pF
GAIN = 5
+
+
C
L
50K
* Circuit Drives Large Load
Capacitance ≤ 4000pF
- 2.5V
10M
WIEN BRIDGE OSCILLATOR (RAIL-TO-RAIL) SINE
WAVE GENERATOR
PHOTO DETECTOR CURRENT TO
VOLTAGE CONVERTER
R
F
= 5M
+2.5V
-
I
OUTPUT
+2.5V
-2.5V
+
10K
-
-2.5V
10K
V
= I x R
F
OUT
PHOTODIODE
.01µF
+
C = .01µF
R
= 10K
L
10K
R = 10K
1
~
f =
~ 1.6KHz
2πR
C
* See rail to rail waveform
ULTRA LONG TIME CONSTANT INTEGRATOR
INTEGRATOR
VOLTAGE
PRESET
20K
20K
5V
1/2 ALD2301
Control 1
Relay 1
5V
*
C
2
-
1
8
+5V
7
3
Relay 2
t
2
V
+
1.5V
IN
2
0.1
-
V = 1/RC
V
= dt
IN
R
5V
ALD1712
3
t
1
4
6
+
1/2 ALD2301
Control 2
0.1
6
-
7
-5 V
5
4
+
1.5V
* LOW LEAKAGE CAPACITOR
e.g. TEFLON CAPACITOR TYPE
K11B104KSW Component
Research Inc.
• All capacitance values are in µF unless otherwise specified.
• RELAYS 1 & 2 are of type 4705, Gordos Corporation.
ALD1712A/ALD1712B
ALD1712
Advanced Linear Devices
6 of 9
ALD [ ADVANCED LINEAR DEVICES ]
