TYPICAL APPLICATIONS
RAIL-TO-RAIL VOLTAGE FOLLOWER/BUFFER
ZIN ~= 1012Ω
VIN
0 ≤ VIN ≤ 10V
+10V
-
+
400pF
0.1µF
CL
VOUT
RL ≥ 1.5KΩ
RAIL-TO-RAIL VOLTAGE COMPARATOR
+12V
VIN
+12V
50K
-
0.1µF
VOUT
+
10M
LOW OFFSET SUMMING AMPLIFIER
10K
INPUT 1
INPUT 2
10K
GAIN = 5
* Circuit Drives Large Load
Capacitance ≤ 4000pF
50K
+5V 0.1µF
-
+
-5V
0.1µF
VOUT
CL = 4000pF
PHOTO DETECTOR CURRENT
TO VOLTAGE CONVERTER
RF = 5M
I
PHOTODIODE
-
+5V
VOUT = I X RF
+
RL ≥ 1.5K
-5V
WIEN BRIDGE OSCILLATOR (RAIL-TO -RAIL)
SINE WAVE GENERATOR
C = .01µF
+5V
-
+
-5V
.01µF 10K
R = 10K
f =~
1
2πRC
=~ 1.6K Hz
VOUT
10K
10K
LOW PASS FILTER (RFI FILTER)
5K
R1
VIN
C1
5K
R1
0.02µF
RF 100K
+9V
-
+
VOUT
Cutoff frequency = 1 = 3.2kHz
π R1C1
Gain = 10 Frequency roll-off 20dB/decade
BANDPASS NETWORK
C2
C1
R1
VIN
-
+
Low Frequency
1
Breakpoint ƒL = 2π R1 C1 = 160Hz
High Frequency
1
Cutoff ƒH =
= 32KHz
2π R2C2
R2
+5V
VOUT
-5V
R1 = 10K C1 = 100nF
R2 = 10K C2 = 500pF
PRECISION CHARGE INTEGRATOR
1MΩ
VIN
-
+
1000pF
+5V
-5V
VOUT
ALD1704A/ALD1704B
ALD1704/ALD1704G
Advanced Linear Devices
6 of 9