參數(shù)資料
型號： MAX5427EUA+
廠商： Maxim Integrated Products
文件頁數(shù)： 1/10頁
文件大?。?/td> 0K
描述： IC POT DGTL 1TIME PROGR 8-UMAX
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 50
接片： 32
電阻（歐姆）： 100k
電路數(shù)： 1
溫度系數(shù)： 標(biāo)準(zhǔn)值 35 ppm/°C
存儲器類型： 非易失
接口： I²C（芯片選擇，增/減）
電源電壓： 2.7 V ~ 5.5 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 8-uMAX
包裝： 管件
產(chǎn)品目錄頁面： 1399 (CN2011-ZH PDF)
General Description
The MAX5427/MAX5428/MAX5429 linear-taper digital
potentiometers function as mechanical potentiometers,
but replace the mechanics with a simple 2-wire digital
interface. These digital potentiometers are unique in that
they have an optional one-time programmable feature
that either sets the wiper’s power-on reset (POR) posi-
tion to a user-defined value, or the wiper can be set and
the interface disabled to prevent further adjustment.
The MAX5427 has an end-to-end resistance of 100k
,
the MAX5428 a resistance of 50k
, and the MAX5429 a
resistance of 10k
. All these devices have 32 wiper
positions, operate from a single 2.7V to 5.5V supply, and
use less than 1.5A (max) static supply current.
The MAX5427/MAX5428/MAX5429 are available in
8-pin thin QFN and MAX packages. Each device is
guaranteed over the extended temperature range of
-40°C to +85°C.
Applications
Mechanical Potentiometer Replacement
Products Using One-Time Factory Calibration
Features
Wiper Position Stored After One-Time Fuse
Programming
User-Defined Power-On Reset Position
35ppm/°C End-to-End Temperature Coefficient
and 5ppm/°C Ratiometric Temperature Coefficient
32 Tap Positions
Tiny 8-Pin Thin QFN and MAX Packages
Ultra-Low 1.5A (max) Static Supply Current
2.7V to 5.5V Single-Supply Operation
Wiper Position Programmed Through Simple
2-Wire Serial Interface
10k, 50k, and 100k End-to-End Resistances
MAX5427/MAX5428/MAX5429
One-Time Programmable, Linear-Taper
Digital Potentiometers
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
MAX5427
MAX5428
MAX5429
32-
POSITION
DECODER
UP/DOWN
COUNTER
ONE-TIME
PROGRAM
BLOCK
8
H
S31
S32
S30
S2
S3
S1
R31
R30
RW
R2
R1
1
W
7
L
3
4
2
6
5
VDD
VPP
GND
CS
U/D
Functional Block Diagram
19-2462; Rev 2; 3/05
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
PART
TEMP RANGE
PIN-PACKAGE
R (k
)
MAX5427EUA
-40°C to +85°C
8 MAX
100
MAX5427ETA
-40°C to +85°C
8 Thin QFN-EP*
100
MAX5428EUA
-40°C to +85°C
8 MAX
50
MAX5428ETA
-40°C to +85°C
8 Thin QFN-EP*
50
MAX5429EUA
-40°C to +85°C
8 MAX
10
MAX5429ETA
-40°C to +85°C
8 Thin QFN-EP*
10
VPP
GND
1
2
8
7
H
L
VDD
W
MAX
TOP VIEW
3
4
6
5
MAX5427
MAX5428
MAX5429
CS
U/D
VPP
GND
*EXPOSED PADDLE. CONNECTED TO GND.
8
7
H
L
VDD
W
QFN
6
5
MAX5427
MAX5428
MAX5429
CS
U/D
1
2
3
4
*
Pin Configurations
*EP = Exposed paddle.
Max is a registered trademark of Maxim Integrated Products, Inc.
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參數(shù)描述
MAX5427EUA+ 功能描述:數(shù)字電位計 IC 32-Tap One-Time Programmable 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
MAX5427EUA+T 功能描述:數(shù)字電位計 IC 32-Tap One-Time Programmable 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
MAX5427EUA-T 功能描述:數(shù)字電位計 IC 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
MAX5427EVKIT 功能描述:數(shù)字電位計 IC Evaluation Kit for the MAX5427 MAX5428 MAX5429 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
MAX5428EGA 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
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