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參數資料
| 型號： | MAX5433LETA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 數字電位計 |
| 英文描述： | 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers |
| 中文描述： | 100K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 32 POSITIONS, DSO8 |
| 封裝： | 3 X 3 X 0.8 MM, 0.80 MM HEIGHT, MO-229/WEEC, TDFN-8 |
| 文件頁數： | 1/17頁 |
| 文件大小： | 376K |
| 代理商： | MAX5433LETA |
General Description
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
2
C
-compatible
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
2
C addresses (see the
Selector Guide
).
Use the MAX5432–MAX5435 in applications requiring
digitally controlled resistors. Two resistance values are
available (50k
and 100k
) 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.
Applications
Mechanical Potentiometer Replacement
Low-Drift Programmable-Gain Amplifiers
Volume Control
Liquid-Crystal Display (LCD) Screen Adjustment
Features
Tiny 3mm x 3mm 8-Pin TDFN and 6-Pin Thin
SOT23 Packages
Power-On Recall of Wiper Position from
Nonvolatile Memory
35ppm/°C End-to-End Resistance Temperature
Coefficient
5ppm/°C Ratiometric Temperature Coefficient
50k
/100k
Resistor Values
Fast 400kbps I
2
C-Compatible Serial Interface
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)
M
32-Tap, Nonvolatile, I
2
C, Linear, Digital
Potentiometers
________________________________________________________________
Maxim Integrated Products
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.
1
Ordering Information
19-3511; Rev 1; 12/04
PART
TEMP RANGE
-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
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
MAX5432
LETA
MAX5432META*
MAX5433
LETA
MAX5433META*
MAX5434
LEZT-T
MAX5434MEZT-T*
MAX5434NEZT-T*
MAX5434PEZT-T*
MAX5435
LEZT-T
MAX5435MEZT-T*
MAX5435NEZT-T*
MAX5435PEZT-T*
Purchase of I
2
C components from Maxim Integrated Products,
Inc., or one of its sublicensed Associated Companies, conveys
a license under the Philips I
2
C Patent Rights to use these com-
ponents in an I
2
C system, provided that the system conforms
to the I
2
C Standard Specification as defined by Philips.
Selector Guide appears at end of data sheet.
*
Future product—contact factory for availability.
**
EP = Exposed pad.
TDFN
TOP VIEW
GND
SDA
SCL
1
6
L
5
W
V
DD
SOT23
2
3
4
MAX5434
MAX5435
A0
V
DD
SCL
1
2
8
7
W
L
SDA
GND
H
3
4
6
5
MAX5432
MAX5433
Pin Configurations
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| MAX5433META | 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers |
| MAX5434LEZT | 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers |
| MAX5434LEZT-T | 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers |
| MAX5434MEZT | 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX5433LETA+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 32POS 100KOHM SGL 8TDFN EP - Rail/Tube |
| MAX5433LETA+T | 功能描述:數字電位計 IC 32-Tap Nonvolatile I2C Linear RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5433LETA-T | 功能描述:數字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5433META | 制造商:Maxim Integrated Products 功能描述:32-TAP NONVOLATILE I2C LINEAR D - Rail/Tube |
| MAX5433META+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 32POS 100KOHM SGL 8TDFN EP - Rail/Tube |
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