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參數資料
| 型號： | MAX5474 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| 中文描述： | 32抽頭、非易失、線性變化數字電位器，SOT23封裝 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 336K |
| 代理商： | MAX5474 |
General Description
The MAX5471/MAX5472/MAX5474/MAX5475 linear-
taper digital potentiometers function as mechanical
potentiometers, but replace the mechanics with a sim-
ple 3-wire up/down digital interface. These digital
potentiometers feature nonvolatile memory (EEPROM)
to return the wiper to its previously stored position upon
power-up.
The MAX5471/MAX5472 are 2-terminal, variable resistors
in 6-pin SOT23 packages. The MAX5474/MAX5475 are
3-terminal potentiometers in 8-pin SOT23 packages.
The MAX5471/MAX5474 have an end-to-end resistance
of 50k
, and the MAX5472/MAX5475 have an end-
to-end resistance of 100k
. All of these devices have
32 wiper positions, a low ratiometric temperature coeffi-
cient (5ppm/°C), and all operate from a single +2.7V to
+5.25V supply. Each device is guaranteed over the
extended -40
°
C to +85
°
C temperature range.
Applications
Mechanical Potentiometer Replacement
Liquid-Crystal-Display (LCD) Screen Adjustment
Audio Volume Control
Programmable Filters
Features
o
Wiper Position Stored in Nonvolatile Memory and
Recalled Upon Power-Up
o
Tiny SOT23 Package
o
35ppm/°C End-to-End Resistance Temperature
Coefficient
o
5ppm/°C Ratiometric Temperature Coefficient
o
32 Tap Positions
o
Voltage-Divider or Variable-Resistor
Potentiometer Configuration
o
50k
and 100k
End-to-End Resistance Values
o
1μA (max) Static Supply Current
o
2.7V to 5.25V Single-Supply Operation
o
200,000 Wiper Store Cycles
o
50-Year Wiper Data Retention
M
32-Tap, Nonvolatile, Linear-Taper Digital
Potentiometers in SOT23
________________________________________________________________
Maxim Integrated Products
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.
1
Ordering Information
19-3067; Rev 0; 10/03
PART
TEMP RANGE
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
PIN-PACKAGE
6 Thin SOT23-6
6 Thin SOT23-6
8 SOT23-8
8 SOT23-8
MAX5471
EZT-T
MAX5472
EZT-T
MAX5474
EKA-T
MAX5475
EKA-T
TOP VIEW
L
GND
H
INC
W
1
GND
SOT23-6
SOT23-8
2
3
6
5
4
CS
U/D
U/D
MAX5471
MAX5472
1
V
DD
V
DD
H
2
3
8
7
6
CS
MAX5474
MAX5475
4
5
INC
Pin Configurations
PART
END-TO-END
RESISTANCE (k
)
TOP MARK
MAX5471EZT
MAX5472EZT
MAX5474EKA
MAX5475EKA
50
100
50
100
ABQN
ABQM
AEIZ
AEIY
Selector Guide
相關PDF資料 |
PDF描述 |
|---|---|
| MAX5475 | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| MAX5471EZT-T | 32-Tap, Nonvolatile, Linear-Taper Digital Potentiometers |
| MAX5472EZT | 32-Tap, Nonvolatile, Linear-Taper Digital Potentiometers |
| MAX5472EZT-T | 32-Tap, Nonvolatile, Linear-Taper Digital Potentiometers |
| MAX5474EKA | 32-Tap, Nonvolatile, Linear-Taper Digital Potentiometers |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX5474EKA | 制造商:Maxim Integrated Products 功能描述:32-TAP NON-VOLATILE LINEAR-TAPER - Cut Tape Product |
| MAX5474EKA+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 32POS 50KOHM SGL 8PIN SOT-23 - Rail/Tube |
| MAX5474EKA+T | 功能描述:數字電位計 IC 32-Tap Nonvolatile Linear-Taper 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 |
| MAX5474EKA-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 |
| MAX5474EVKIT+ | 功能描述:其他開發工具 MAX5474 Eval Kit RoHS:否 制造商:Parallax 產品:ELEV-8 Hex Upgrade Kits 類型:Robotics 工具用于評估:ELEV-8 Quadcopter 工作電源電壓: |
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