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參數(shù)資料
| 型號： | DS1845E-100+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT/MEM DUAL NV 100K 14-TSSOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1,000 |
| 接片： | 100，256 |
| 電阻（歐姆）： | 10k，100k |
| 電路數(shù)： | 2 |
| 溫度系數(shù)： | 標準值 750 ppm/°C |
| 存儲器類型： | 非易失 |
| 接口： | I²C（設備位址） |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 14-TSSOP |
| 包裝： | 帶卷 (TR) |
1 of 14
011006
FEATURES
§ Two linear taper potentiometers
- DS1845-010 one 10k, 100 position &
one 10k, 256 position
- DS1845-050 one 10k, 100 position &
one 50k, 256 postition
- DS1845-100 one 10k, 100 position &
one 100k, 256 position
§ 256 bytes of EEPROM memory
§ Access to data and potentiometer control via
an I2C compatible 2-wire interface
§ External Write Enable pin to protect data and
potentiometer settings
§ Nonvolatile wiper storage
§ Operates from 3V or 5V supplies
§ Packaging: Flip Chip Package, 16-ball
CSBGA, 14-pin TSSOP
§ Industrial operating temperature: -40C to
+85C
16-Ball CSBGA (4mm x 4mm)
14-Pin Flip Chip (100-mil x 100-mil) (Not Shown)
DESCRIPTION
The DS1845 Dual NV Potentiometer and Memory consists of one 100-position linear taper
potentiometer, one 256-position linear taper potentiometer, 256 bytes of EEPROM memory, and a 2-wire
interface. The device provides an ideal method for setting bias voltages and currents in control
applications using a minimum of circuitry. The EEPROM memory allows a user to store configuration
or calibration data for a specific system or device as well as provide control of the potentiometer wiper
settings. Any type of user information may reside in the first 248 bytes of this memory. The next two
addresses of EEPROM memory are for potentiometer settings. Access to this EEPROM is via an
industry standard 2-wire bus. The wiper position of the DS1845, as well as EEPROM data, can be
hardware write-protected using the Write Protect (WP) input pin. Up to eight DS1845s can be installed
on a single 2-wire bus. Access to an individual device is achieved by using a device address that is
determined by the logic levels of address pins A0 though A2. Additionally, the DS1845 will operate
from 3 volt or 5 volt supplies. Three package options are available: Flip Chip Package, 16-ball CSBGA
and 14-pin TSSOP.
DS1845
Dual NV Potentiometer
and Memory
www.maxim-ic.com
SDA
1
14
Vcc
SCL
2
13
H0
A0
3
12
W1
A1
4
11
H1
A2
5
10
L1
WP
6
9
W0
GND
7
8
L0
14-Pin TSSOP (173 mil)
A
B
C
D
1
2
3
4
Top View
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1845E-50+T&R | 制造商:Maxim Integrated Products 功能描述:DUAL NV POT & MEM LEAD FREE - Tape and Reel |
| DS1845X-010 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Dual NV Potentiometer and Memory |
| DS1845X-010/T&R | 制造商:Maxim Integrated Products 功能描述:DUAL NV POT AND MEM BUMP T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC POT/MEM DUAL NV 10K 14-FCP |
| DS1845X-010/T&R | 功能描述:數(shù)字電位計 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS1845X-050 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Dual NV Potentiometer and Memory |
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