參數(shù)資料
型號(hào)： MAX5417PETA+T
廠商： Maxim Integrated Products
文件頁數(shù)： 1/14頁
文件大?。?/td> 0K
描述： IC POT DGTL 256-TAP I2C 8-TDFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
接片： 256
電阻（歐姆）： 50k
電路數(shù)： 1
溫度系數(shù)： 標(biāo)準(zhǔn)值 35 ppm/°C
存儲(chǔ)器類型： 非易失
接口： I²C（設(shè)備位址）
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-WDFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 8-TDFN-EP（3x3）
包裝： 帶卷 (TR)
General Description
The MAX5417/MAX5418/MAX5419 nonvolatile, linear-
taper, digital potentiometers perform the function of a
mechanical potentiometer by replacing the mechanics
with a simple 2-wire digital interface, allowing communi-
cation with multiple devices. Each device performs the
same function as a discrete potentiometer or variable
resistor and has 256 tap points.
The devices feature an internal, nonvolatile EEPROM
used to store the wiper position for initialization during
power-up. The fast-mode I2C-compatible serial interface
allows communication at data rates up to 400kbps, mini-
mizing board space and reducing interconnection com-
plexity in many applications. Each device is available with
one of four factory-preset addresses (see the
Ordering
Information/Selector Guide) and features an address
input for a total of eight unique address combinations.
The MAX5417/MAX5418/MAX5419 provide three nomi-
nal resistance values: 50k
(MAX5417), 100k
(MAX5418), or 200k
(MAX5419). The nominal resistor
temperature coefficient is 35ppm/°C end-to-end, and
only 5ppm/°C ratiometric. This makes the devices ideal
for applications requiring a low-temperature-coefficient
variable resistor, such as low-drift, programmable gain-
amplifier circuit configurations.
The MAX5417/MAX5418/MAX5419 are available in a
3mm x 3mm 8-pin TDFN package, and 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) Contrast Control
Features
o Power-On Recall of Wiper Position from
Nonvolatile Memory
o Tiny 3mm x 3mm 8-Pin TDFN Package
o 35ppm/°C End-to-End Resistance Temperature
Coefficient
o 5ppm/°C Ratiometric Temperature Coefficient
o 50k/100k/200k Resistor Values
o Fast I2C-Compatible Serial Interface
o 500nA (typ) Static Supply Current
o Single-Supply Operation: +2.7V to +5.25V
o 256 Tap Positions
o ±0.5 LSB DNL in Voltage-Divider Mode
o ±0.5 LSB INL in Voltage-Divider Mode
MAX5417/MAX5418/MAX5419
256-Tap, Nonvolatile, I2C-Interface,
Digital Potentiometers
________________________________________________________________
Maxim Integrated Products
1
VDD
GND
SDA
SCL
8-BIT
SHIFT
REGISTER
8-BIT
LATCH
8-BIT
NV
MEMORY
I2C
INTERFACE
A0
8
256
W
L
256-
POSITION
DECODER
H
POR
MAX5417
MAX5418
MAX5419
Ordering Information/Selector Guide
Functional Diagram
19-3185; Rev 4; 4/10
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Pin Configuration appears at end of data sheet.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
**
Exposed pad.
PART
TEMP RANGE
I
2C ADDRESS
R (k
)
PIN-PACKAGE
TOP MARK
MAX5417LETA+
-40°C to +85°C
010100A0
50
8 TDFN-EP**
AIB
MAX5417META+
-40°C to +85°C
010101A0
50
8 TDFN-EP**
ALS
MAX5417NETA+
-40°C to +85°C
010110A0
50
8 TDFN-EP**
ALT
MAX5417PETA+
-40°C to +85°C
010111A0
50
8 TDFN-EP**
ALU
MAX5418LETA+
-40°C to +85°C
010100A0
100
8 TDFN-EP**
AIC
MAX5418META+
-40°C to +85°C
010101A0
100
8 TDFN-EP**
ALV
MAX5418NETA+
-40°C to +85°C
010110A0
100
8 TDFN-EP**
ALW
MAX5418PETA+
-40°C to +85°C
010111A0
100
8 TDFN-EP**
ALX
MAX5419LETA+
-40°C to +85°C
010100A0
200
8 TDFN-EP**
AID
MAX5419META+
-40°C to +85°C
010101A0
200
8 TDFN-EP**
ALY
MAX5419NETA+
-40°C to +85°C
010110A0
200
8 TDFN-EP**
ALZ
MAX5419PETA+
-40°C to +85°C
010111A0
200
8 TDFN-EP**
AMA
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參數(shù)描述
MAX5418LETA 制造商:Maxim Integrated Products 功能描述:MAXIM MAX5418LETA, DIGITAL POTENTIOMETERS - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:Maxim MAX5418LETA, 100Kohm Digital Potentiometer 256-Tap 2.7V-5.25V 8-pin TDFN
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MAX5418LETA+T 功能描述:數(shù)字電位計(jì) IC 256-Tap Nonvolatile I2C-Interface 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(chǔ)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
MAX5418LETA-T 功能描述:數(shù)字電位計(jì) 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(chǔ)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
MAX5418META 制造商:Maxim Integrated Products 功能描述:MAXIM MAX5418META, DIGITAL POTENTIOMETERS - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:Maxim MAX5418META, 100Kohm Digital Potentiometer 256-Tap 2.7V-5.25V 8-pin TDFN
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