MAX5433LETA+T Maxim Integrated Products, MAX5433LETA+T Datasheet
MAX5433LETA+T
Manufacturer Part Number
MAX5433LETA+T
Description
IC POT DGTL 32-TAP NV I2C 8-TDFN
Manufacturer
Maxim Integrated Products
Specifications of MAX5433LETA+T
Package / Case
8-TDFN Exposed Pad
Mounting Type
Surface Mount
Voltage - Supply
2.7 V ~ 5.25 V
Operating Temperature
-40°C ~ 85°C
Temperature Coefficient
35 ppm/°C Typical
Interface
I²C, 2-Wire Serial
Resistance In Ohms
100K
Number Of Circuits
1
Memory Type
Non-Volatile
Taps
32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX5432–MAX5435 nonvolatile, linear-taper, digi-
tal potentiometers perform the function of a mechanical
potentiometer, but replace the mechanics with a simple
2-wire serial interface. Each device performs the same
function as a discrete potentiometer or a variable resis-
tor and has 32 tap points.
The MAX5432–MAX5435 feature an internal, nonvolatile,
electrically erasable programmable read-only memory
(EEPROM) that returns the wiper to its previously stored
position at power-up. The fast-mode I
serial interface allows communication at data rates up to
400kbps, minimizing board space and reducing inter-
connection complexity. Each device is available with
one of four factory-preset I
Selector Guide).
Use the MAX5432–MAX5435 in applications requiring
digitally controlled resistors. Two resistance values are
available (50kΩ and 100kΩ) in a voltage-divider or vari-
able resistor configuration. The nominal resistor temper-
ature coefficient is 35ppm/°C end-to-end, and only
5ppm/°C ratiometric, making the devices ideal for
applications requiring a low-temperature-coefficient
variable resistor such as low-drift, programmable-gain
amplifier circuit configurations.
The MAX5432/MAX5433 are available in a 3mm x 3mm 8-
pin TDFN package and the MAX5434/MAX5435 are avail-
able in a 6-pin thin SOT23 package. The MAX5432–
MAX5435 are specified over the extended (-40°C to
+85°C) temperature range.
19-3511; Rev 0; 11/04
Selector Guide appears at end of data sheet.
Purchase of I
Inc., or one of its sublicensed Associated Companies, conveys
a license under the Philips I
ponents in an I
to the I
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.
2
Mechanical Potentiometer Replacement
Low-Drift Programmable-Gain Amplifiers
Volume Control
Liquid-Crystal Display (LCD) Screen Adjustment
C Standard Specification as defined by Philips.
2
C components from Maxim Integrated Products,
2
C system, provided that the system conforms
________________________________________________________________ Maxim Integrated Products
32-Tap, Nonvolatile, I
General Description
2
C Patent Rights to use these com-
2
C addresses (see the
Applications
2
C-compatible
♦ Tiny 3mm x 3mm 8-Pin TDFN and 6-Pin Thin
♦ Power-On Recall of Wiper Position from
♦ 35ppm/°C End-to-End Resistance Temperature
♦ 5ppm/°C Ratiometric Temperature Coefficient
♦ 50kΩ/100kΩ Resistor Values
♦ Fast 400kbps I
♦ 500nA (typ) Static Supply Current
♦ +2.7V to +5.25V Single-Supply Operation
♦ 32 Tap Positions
♦ ±0.15 LSB INL (typ), ±0.15 LSB DNL (typ)
*Future product—contact factory for availability.
**EP = Exposed pad.
MAX5432LETA
MAX5432META*
MAX5433LETA
MAX5433META*
MAX5434LEZT-T
MAX5434MEZT-T*
MAX5434NEZT-T*
MAX5434PEZT-T*
MAX5435LEZT-T
MAX5435MEZT-T*
MAX5435NEZT-T*
MAX5435PEZT-T*
TOP VIEW
SOT23 Packages
Nonvolatile Memory
Coefficient
GND
SDA
SCL
H
PART
1
2
4
3
2
MAX5432
MAX5433
TDFN
C, Linear, Digital
2
Potentiometers
C-Compatible Serial Interface
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
Ordering Information
7
6
5
8
Pin Configurations
W
L
A0
V
DD
GND
SCL
V
DD
1
2
3
PIN-PACKAGE
8 TDFN-EP**
8 TDFN-EP**
8 TDFN-EP**
8 TDFN-EP**
6 Thin SOT23-6
6 Thin SOT23-6
6 Thin SOT23-6
6 Thin SOT23-6
6 Thin SOT23-6
6 Thin SOT23-6
6 Thin SOT23-6
6 Thin SOT23-6
SOT23
MAX5434
MAX5435
Features
6
5
4
L
W
SDA
1
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