MAX5393NAUD+ Maxim Integrated Products, MAX5393NAUD+ Datasheet - Page 12
![IC POT DGTL DUAL 256TAP 14TSSOP](/photos/6/66/66618/max5393laud__sml.jpg)
MAX5393NAUD+
Manufacturer Part Number
MAX5393NAUD+
Description
IC POT DGTL DUAL 256TAP 14TSSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5391LATET.pdf
(14 pages)
Specifications of MAX5393NAUD+
Taps
256
Resistance (ohms)
100K
Number Of Circuits
2
Temperature Coefficient
35 ppm/°C Typical
Memory Type
Volatile
Interface
SPI, 3-Wire Serial
Voltage - Supply
1.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
14-TSSOP
Resistance In Ohms
100K
Number Of Pots
Dual
Taps Per Pot
256
Resistance
200 Ohms
Wiper Memory
Volatile
Digital Interface
Serial (3-Wire, SPI)
Operating Supply Voltage
1.7 V to 5.5 V
Supply Current
27 uA
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Description/function
Dual Volatile Low Voltage Linear Taper Digital Potentiometer
Mounting Style
SMD/SMT
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.7 V
Tolerance
25 %
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Dual 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometers
Figure 8 shows a variable-gain current-to-voltage con-
verter using a potentiometer as a variable resistor.
Figure 9 shows a positive LCD bias control circuit using
a potentiometer as a voltage-divider.
Figure 10 shows a programmable filter using a dual
potentiometer.
Figure 8. Variable Gain I-to-V Converter
Figure 10. Programmable Filter
12
Variable-Gain Current-to-Voltage Converter
_____________________________________________________________________________________
V
IN
I
S
HB
R3
R3
WB
WA
LB
V
HA
LA
W_
OUT
Programmable Filter
R2
= -I
S
x ((R3 x (1 + R2/R1)) + R2)
H_
LCD Bias Control
L_
R1
R1
R2
V
V
OUT
OUT
Figure 11 shows an offset voltage adjustment circuit
using a dual potentiometer.
PROCESS: BiCMOS
Figure 9. Positive LCD Bias Control Using a Voltage-Divider
Figure 11. Offset Voltage Adjustment Circuit
Offset Voltage Adjustment Circuit
WB
+1.8V
V
H_
L_
IN
LB
HB
W_
Process Information
+1.8V
HA
WA
V
OUT
LA
V
OUT