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參數(shù)資料
| 型號： | MAX5128ELA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT DGTL LP 128TAP 8-UDFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 接片： | 128 |
| 電阻（歐姆）： | 22k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 50 ppm/°C |
| 存儲器類型： | 非易失 |
| 接口： | 上/下 |
| 電源電壓： | 2.7 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-WFDFN |
| 供應(yīng)商設(shè)備封裝： | 8-uDFN（2x2） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 1398 (CN2011-ZH PDF) |
| 其它名稱： | MAX5128ELA+TDKR |
General Description
The MAX5128 nonvolatile, single, linear-taper, digital
potentiometer performs the function of a mechanical
potentiometer, but replaces the mechanics with a sim-
ple 2-wire digital interface. The MAX5128 performs the
same function as a discrete potentiometer or variable
resistor and features 128 taps and 22k
Ω end-to-end
resistance. The MAX5128 also features an ultra-small,
2mm x 2mm DFN package and low 0.5A (typ) stand-
by supply current, making this device ideal for portable
applications. The MAX5128 operates from a +2.7V to
+5.25V power supply. An integrated nonvolatile memo-
ry recalls the programmed wiper position of the digital
potentiometer. A simple 2-wire up/down interface pro-
grams the wiper position. The digital potentiometer pro-
vides a low 5ppm/°C ratiometric temperature coefficient
and is specified over the extended -40°C to +85°C tem-
perature range.
Applications
VCOM Adjustment for LCD Panels
Backlight Adjustment
LED Bias Adjustment
Power-Supply Modules
Fiber-Module Bias Setting
Bias Setting for Radios
Portable Consumer Electronics
Features
Ultra-Small, 2mm x 2mm, 8-Pin DFN Package
Power-On Recall of Wiper Position from
Nonvolatile Memory
22kΩ End-to-End Resistance
128 Tap Positions
5ppm/°C Ratiometric Temperature Coefficient
1.5A (max) Standby Supply Current
+2.7V to +5.25V Single Supply Operation
80,000 Wiper Store Cycles
50-Year Wiper Data Retention
MAX5128
128-Tap, Nonvolatile, Linear-Taper Digital
Potentiometer in 2mm x 2mm DFN Package
________________________________________________________________ Maxim Integrated Products
1
19-3929; Rev 2; 6/07
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.
EVALUATION
KIT
AVAILABLE
Ordering Information
PART
TEMP
RANGE
PIN-
PACKAGE
TOP
MARK
PKG
CODE
MAX5128ELA+ -40°C to +85°C
8 DFN
AAF
L822-1
W
L
SERIAL
INTERFACE
128-POSITION
DECODER
VCC
GND
DN
UP
7-BIT NV MEMORY
POR
H
128
TAPS
7
MAX5128
Functional Diagram
+Denotes a lead-free package.
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| MAX5128EVCMAXQU+ | 功能描述:數(shù)字電位計 IC MAX5128 Evaluation Kit/Evaluation System RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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