參數(shù)資料
型號(hào)： MAX5402
廠商： Maxim Integrated Products, Inc.
元件分類： 數(shù)字電位計(jì)
英文描述： 256-Tap, レPoT, Low-Drift, Digital Potentiometer
中文描述： 256抽頭、µPoT™、低漂移數(shù)字電位器
文件頁數(shù)： 1/9頁
文件大?。?/td> 208K
代理商： MAX5402
General Description
The MAX5402 μPoT
digital potentiometer is a 256-tap
variable resistor with 10k
total resistance in a tiny 8-
pin μMAX package. This device functions as a mechan-
ical potentiometer, consisting of a fixed resistor string
with a digitally controlled wiper contact. It operates
from +2.7V to +5.5V single-supply voltages and uses
an ultra-low 0.1μA supply current. This device also pro-
vides glitchless switching between resistor taps, as well
as a convenient power-on reset (POR) that sets the
wiper to the midscale position at power-up. A low
5ppm/°C ratiometric temperature coefficient makes it
ideal for applications requiring low drift.
The MAX5402 serves well in applications requiring digi-
tally controlled resistors, including adjustable voltage
references and programmable gain amplifiers (PGAs).
A nominal end-to-end resistor temperature coefficient of
35ppm/°C makes this part suitable for use as a variable
resistor in applications such as low-tempco adjustable
gain and other circuit configurations. This device is
guaranteed over the extended industrial temperature
range (-40°C to +85°C).
________________________Applications
Mechanical Potentiometer Replacement
Low-Drift PGAs
Adjustable Voltage References
Features
o
Small Footprint, 8-Pin μMAX Package
o
Ultra-Low 100nA Supply Current
o
+2.7V to +5.5V Single-Supply Operation
o
256 Tap Positions
o
Low Ratiometric Temperature Coefficient
5ppm/°C
o
Low End-to-End Resistor Temperature Coefficient
35ppm/°C
o
Power-On Reset: Wiper Goes to Midscale
(Position 128)
o
Glitchless Switching Between the Resistor Taps
o
3-Wire SPI-Interface Compatible
o
10k
Resistor Value
M
256-Tap, μPoT, Low-Drift,
Digital Potentiometer
V
DD
SCLK
DIN
1
2
8
7
H
W
GND
L
μ
MAX
TOP VIEW
3
4
6
5
MAX5402
CS
Pin Configuration
19-1896; Rev 0; 1/01
Ordering Information
μPoT is a trademark of Maxim Integrated Products.
SPI is a trademark of Motorola, Inc.
PART
TEMP.
RANGE
PIN-
PACKAGE
R (k
)
MAX5402EUA
-40
°
C to +85
°
C
8 μMAX
10
________________________________________________________________
Maxim Integrated Products
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
MAX5402
POR
8
8-BIT
SHIFT
REGISTER
CLOCK
LOGIC
8-BIT
LATCH
SCLK
DIN
CS
8
H
W
L
DECODE
V
DD
GND
256
R
R
Functional Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5402EUA 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
MAX5402EUA/GG8 制造商:Maxim Integrated Products 功能描述:256-TAP UPOT LOW DRIFT DIGITAL POTENTIOMETER. - Rail/Tube
MAX5402EUA+ 功能描述:數(shù)字電位計(jì) IC 256-Tap Low-Drift 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
MAX5402EUA+T 功能描述:數(shù)字電位計(jì) IC 256-Tap Low-Drift 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
MAX5402EUA-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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