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參數資料
| 型號： | MAX5400EKA-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 數字電位計 |
| 英文描述： | Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers |
| 中文描述： | 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO8 |
| 封裝： | SOT-23, 8 PIN |
| 文件頁數： | 1/8頁 |
| 文件大小： | 250K |
| 代理商： | MAX5400EKA-T |
General Description
The MAX5400/MAX5401 digital potentiometers offer
256-tap SOT-PoT digitally controlled variable resis-
tors in tiny 8-pin SOT23 packages. Each device func-
tions as a mechanical potentiometer, consisting of a
fixed resistor string with a digitally controlled wiper con-
tact. They operate from +2.7V to +5.5V single-supply
voltages and use an ultra-low supply current of 0.1μA.
These devices also provide glitchless switching
between resistor taps, as well as a convenient power-
on reset that sets the wiper to the midscale position at
power-up. A low 5ppm/°C ratiometric temperature coef-
ficient makes it ideal for applications requiring low drift.
The MAX5400/MAX5401 serve well in applications
requiring digitally controlled resistors, including
adjustable voltage references and programmable gain
amplifiers (PGAs). A nominal end-to-end resistor tem-
perature coefficient of 50ppm/°C allows these parts to
be used as variable resistors in applications such as
low-tempco adjustable gain and other circuit configura-
tions.
Two resistance values are available: 50k
(MAX5400)
and 100k
(MAX5401). Each 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
Miniature 8-Pin SOT23 (3mm x 3mm)
o
256 Tap Positions
o
Ultra-Low 0.1μA Supply Current
o
Single-Supply Operation: +2.7V to +5.5V
o
Low Ratiometric Temperature Coefficient:
5ppm/°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
50k
/100k
Resistor Values
M
256-Tap SOT-PoT,
Low-Drift Digital Potentiometers in SOT23
________________________________________________________________
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
19-1848; Rev 0; 10/00
Ordering Information
SOT-PoT is a trademark of Maxim Integrated Products.
SPI is a trademark of Motorola, Inc.
Pin Configuration appears at end of data sheet.
PART
TEMP.
RANGE
PIN-
PACKAGE
R (k
)
MAX5400
EKA-T
MAX5401
EKA-T
-40
°
C to +85
°
C
-40
°
C to +85
°
C
8-SOT23
8-SOT23
50
100
MAX5400/MAX5401
POR
8
8-BIT
SHIFT
REGISTER
CLOCK
LOGIC
8-BIT
LATCH
SCLK
DIN
CS
8
H
W
L
DECODER
V
DD
GND
Functional Diagram
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX5401EKA | 制造商:Maxim Integrated Products 功能描述:256-TAP SOTPOT 100K OHM LOW-DRIFT - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX5401EKA+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 256POS 100KOHM SGL 8PIN SOT-23 - Rail/Tube |
| MAX5401EKA+T | 功能描述:數字電位計 IC 256-Tap Low-Drift RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5401EKA-T | 功能描述:數字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5402EUA | 功能描述:數字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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