MAX5387MINIQU+ Maxim Integrated, MAX5387MINIQU+ Datasheet - Page 13

• Manufacturer Part Number: MAX5387MINIQU+
• Description: Digital Potentiometer ICs MAX5387 Eval Kit
• Manufacturer: Maxim Integrated

Specifications of MAX5387MINIQU+

• Rohs: yes

Figure 12 shows a variable gain current to voltage con-
verter using a potentiometer as a variable resistor.
Figure 13 shows a positive LCD bias control circuit using
a potentiometer as a voltage-divider.
Figure 14 shows a positive LCD bias control circuit using
a potentiometer as a variable resistor.
Figure 12. Variable Gain I-to-V Converter
Figure 11. Adjustable Voltage Reference
Variable Gain Current to Voltage Converter
I S
______________________________________________________________________________________
MAX6037
GND
R3
IN
3.0V
V
OUT
OUT
Dual, 256-Tap, Volatile, Low-Voltage
= -I
W
Linear Taper Digital Potentiometer
S
W
x ((R3 x (1 + R2/R1)) + R2)
LCD Bias Control
H
L
H
L
V
R1
REF
R2
V OUT
Figure 15 shows a programmable filter using a dual
potentiometer.
Figure 16 shows an offset-voltage adjustment circuit
using a dual potentiometer.
Figure 14. Positive LCD Bias Control Using a Variable Resistor
Figure 13. Positive LCD Bias Control Using a Voltage-Divider
Offset-Voltage Adjustment Circuit
+5V
+5V
H
L
H
L
W
W
Programmable Filter
V OUT
V OUT
13