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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX5462 Datasheet

32-Tap FleaPoT / 2-Wire Digital Potentiometers

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19-1956; Rev 3; 11/05
32-Tap FleaPoT, 2-Wire Digital
Potentiometers
General Description
The MAX5460–MAX5468 linear-taper digital potentiome-
ters perform the same function as a mechanical poten-
tiometer or a variable resistor. These devices consist of a
fixed resistor and a wiper contact with 32-tap points that
are digitally controlled through a 2-wire serial interface.
The MAX5462/MAX5465/MAX5468 are configured as
potentiometers. The rest of the devices in this family are
configured as variable resistors. See Pin Configurations
for part functionality.
Three resistance values are available: 10k(MAX5466/
MAX5467/MAX5468), 50k(MAX5463/MAX5464/
MAX5465), and 100k(MAX5460/MAX5461/MAX5462).
The MAX5460–MAX5465 (100kand 50k) are avail-
able in space-saving 5-pin and 6-pin SC70 packages.
The MAX5466/MAX5467/MAX5468 (10k) are available
in 5-pin and 6-pin SOT23 packages.
Applications
LCD Screen Adjustment
Volume Control
Mechanical Potentiometer Replacement
Gain Adjustment
Line Impedance Matching
FleaPoT is a trademark of Maxim Integrated Products Inc.
Functional Diagram appears at end of data sheet.
Features
Miniature SC70 and SOT23 Packages
0.3µA Ultra-Low Supply Current
+2.7V to +5.5V Single-Supply Operation
Glitchless Switching Between Resistor Taps
Power-On Reset to Midscale
2-Wire Up/Down Serial Interface
10k, 50k, and 100kResistance Values
Ordering Information
PART
PIN-
TOP
PACKAGE MARK
R
(k)
PKG
CODE
MAX5460EXK 5 SC70
ACA
100
X5-1
MAX5461EXT 6 SC70
AAP 100 X6S-1
MAX5462EXT 6 SC70
AAQ 100 X6S-1
MAX5463EXK 5 SC70
ACB
50
X5-1
MAX5464EXT 6 SC70
AAR 50 X6S-1
MAX5465EXT 6 SC70
AAS 50 X6S-1
MAX5466EUK 5 SOT23
ADQQ
10
U5-1
MAX5467EUT 6 SOT23
AARH
10
U6-1
MAX5468EUT 6 SOT23
AARI
10
U6-1
Note: All devices operate over the -40°C to +85°C temperature
range.
Pin Configurations
TOP VIEW
VDD 1
5H
GND 2
U/D 3
MAX5460
MAX5463
MAX5466
4 CS
SOT23, SC70
VDD 1
6H
GND 2
5L
U/D 3
MAX5461
MAX5464
MAX5467
4 CS
SOT23, SC70
VDD 1
6H
GND 2
5W
U/D 3
MAX5462
MAX5465
MAX5468
4 CS
SOT23, SC70
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX5462 Datasheet

32-Tap FleaPoT / 2-Wire Digital Potentiometers

No Preview Available !

32-Tap FleaPoT, 2-Wire Digital
Potentiometers
ABSOLUTE MAXIMUM RATINGS
VDD to GND ..............................................................-0.3V to +6V
All Other Pins to GND.................................-0.3V to (VDD + 0.3)V
Input and Output Latch-Up Immunity.............................±200mA
Maximum Continuous Current into H, L, and W
MAX5460/MAX5461/MAX5462 (100k) .......................±0.6mA
MAX5463/MAX5464/MAX5465 (50k) .........................±1.3mA
MAX5466/MAX5467/MAX5468 (10k) .........................±1.3mA
Continuous Power Dissipation (TA = +70°C)
5-pin SC70 (derate 3.1mW/°C above TA = +70°C)..........247mW
5-pin SOT23 (derate 7.1mW/°C above TA = +70°C)........571mW
6-pin SC70 (derate 3.1mW/°C above TA = +70°C) ..........245mW
6-pin SOT23 (derate 8.7mW/°C above TA = +70°C).....695.7mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Soldering Temperature (soldering, 10s) ..........................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VDD = +2.7V to +5.5V, VH = VDD, VL = 0, TA = -40°C to +85°C. Typical values are at VDD = +2.7V, TA = +25°C, unless
otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DC PERFORMANCE
Resolution
32 Taps
End-to-End Resistance
MAX5460/MAX5461/MAX5462
MAX5463/MAX5464/MAX5465
75 100 125
37.5 50 62.5
k
MAX5466/MAX5467/MAX5468
7.5 10 12.5
End-to-End Resistance Tempco
Ratiometric Resistance Tempco
Integral Nonlinearity
Differential Nonlinearity
TCR
INL
DNL
35 ppm/°C
5 ppm/°C
±0.5 ±1 LSB
±1 LSB
Full-Scale Error
Zero-Scale Error
±0.1 LSB
1 LSB
Wiper Resistance
DIGITAL INPUTS
MAX5462/MAX5465
RW
MAX5468
600 1200
160 240
Input High Voltage
VIH
Input Low Voltage
VIL
TIMING CHARACTERISTICS (Figures 1, 2)
U/D Mode to CS Setup
tCU
CS to U/D Step Setup
tCI
CS to U/D Step Hold
tIC
U/D Step Low Period
U/D Step High Period
tIL
tIH
Up/Down Toggle Rate (Note 1)
fTOGGLE
Output Settling Time (Note 2)
tSETTLE
0.7 x VDD
25
50
25
25
25
100kvariable resistor configuration, CL = 10pF
100kpotentiometer configuration, CL = 10pF
1
1
0.25
0.3 x VDD
V
V
ns
ns
ns
ns
ns
MHz
µs
2 _______________________________________________________________________________________


Part Number MAX5462
Description 32-Tap FleaPoT / 2-Wire Digital Potentiometers
Maker Maxim
Total Page 10 Pages
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