參數(shù)資料
型號(hào)： MAX5498ETE+T
廠商： Maxim Integrated Products
文件頁數(shù)： 1/20頁
文件大?。?/td> 0K
描述： IC DIG POT 10BIT 16-TQFN-EP
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： 1024
電阻（歐姆）： 10k
電路數(shù)： 2
溫度系數(shù)： 標(biāo)準(zhǔn)值 35 ppm/°C
存儲(chǔ)器類型： 非易失
接口： 3 線串行（芯片選擇）
電源電壓： 2.5 V ~ 5.25 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 16-WQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 16-TQFN-EP（5x5）
包裝： 帶卷 (TR)
General Description
The MAX5494–MAX5499 10-bit (1024-tap), dual, non-
volatile, linear-taper, programmable voltage-dividers
and variable resistors perform the function of a
mechanical potentiometer, but replace the mechanics
with a 3-wire SPI-compatible serial interface. The
MAX5494/MAX5495 are dual, 3-terminal, programma-
ble voltage-dividers; the MAX5496/MAX5497 are dual,
2-terminal variable resistors; and the MAX5498/
MAX5499 include one 2-terminal variable resistor and
one 3-terminal programmable voltage-divider.
The MAX5494–MAX5499 feature an internal, nonvolatile,
electrically erasable programmable read-only memory
(EEPROM) that stores the wiper position for initialization
during power-up. The 3-wire SPI-compatible serial inter-
face allows communication at data rates up to 7MHz.
The MAX5494–MAX5499 are ideal for applications requir-
ing digitally controlled potentiometers. End-to-end resis-
tance values of 10k and 50k are available with a
35ppm/°C end-to-end temperature coefficient. The ratio-
metric temperature coefficient is 5ppm/°C for each chan-
nel, making these devices ideal for applications requiring
low-temperature-coefficient programmable voltage-
dividers such as low-drift, programmable-gain amplifiers.
The MAX5494–MAX5499 operate with either a single
power supply (+2.7V to +5.25V) or dual power supplies
(±2.5V). The devices consume 400A (max) of supply
current when writing data to the nonvolatile memory
and 1.5A (max) of standby supply current. The
devices are available in space-saving (5mm x 5mm x
0.8mm), 16-pin TQFN package and are specified over
the extended (-40°C to +85°C) temperature range.
Applications
Gain and Offset Adjustment
LCD Contrast Adjustment
Pressure Sensors
Low-Drift Programmable-Gain Amplifiers
Mechanical Potentiometer Replacement
Volume Control
Features
Wiper Position Stored in Nonvolatile Memory and
Recalled Upon Power-Up
16-Pin, 5mm x 5mm x 0.8mm TQFN Package
35ppm/°C End-to-End Resistance Temperature
Coefficient
5ppm/°C Ratiometric Temperature Coefficient
10k and 50k End-to-End Resistor Values
3-Wire SPI-Compatible Serial Interface
Reliability (TA = +85°C)
50,000 Wiper Store Cycles
50 Years Wiper Data Retention
1.5A (max) Standby Current
Single +2.7V to +5.25V Supply Operation
Dual ±2.5V Supply Operation
MAX5494–MAX5499
10-Bit, Dual, Nonvolatile, Linear-Taper
Digital Potentiometers
________________________________________________________________
Maxim Integrated Products
1
16
12
34
12
11
10
9
15
14
13
5
6
7
8
SCLK
N.C.
DIN
GND
INTERF
ACE
W1
L1
H1
W2
L2
H2
VDD
N.C.
VSS
TOP VIEW
MAX5494
MAX5495
CS
5mm × 5mm × 0.8mm TQFN
16
12
34
12
11
10
9
15
14
13
5
6
7
8
SCLK
N.C.
DIN
GND
INTERF
ACE
W1
L1
D.N.C.
W2
L2
D.N.C.
VDD
N.C.
VSS
MAX5496
MAX5497
CS
5mm × 5mm × 0.8mm TQFN
PART
TEMP RANGE
PIN-
PACKAGE
PKG CODE
MAX5494ETE
-40°C to +85°C
16 TQFN-EP*
T1655-2
MAX5495ETE
-40°C to +85°C
16 TQFN-EP*
T1655-2
Pin Configurations
Ordering Information
19-3562; Rev 2; 1/06
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.
*
EP = Exposed pad.
Ordering Information continued at end of data sheet.
Selector Guide appears at end of data sheet.
Pin Configurations continued at end of data sheet.
EVALUATION
KIT
AVAILABLE
SPI is a trademark of Motorola, Inc.
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MAX5499ETE 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
MAX5499ETE+ 功能描述:數(shù)字電位計(jì) IC 10-Bit Dual NV Linear-Taper 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
MAX5499ETE+T 功能描述:數(shù)字電位計(jì) IC 10-Bit Dual NV Linear-Taper 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
MAX5499ETE-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
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