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參數(shù)資料
| 型號： | DS2890P-000 |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/27頁 |
| 文件大小： | 0K |
| 描述： | IC POT DIGITAL 1-WIRE 100K 6TSOC |
| 標(biāo)準(zhǔn)包裝： | 120 |
| 接片： | 256 |
| 電阻（歐姆）： | 100k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 800 ppm/°C |
| 存儲器類型： | 易失 |
| 接口： | 1 線 串行 |
| 電源電壓： | 2.8 V ~ 6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 6-LSOJ |
| 供應(yīng)商設(shè)備封裝： | 6-TSOC |
| 包裝： | 管件 |
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DS2890
2 of 27
PIN DESCRIPTION
SIGNAL
NAME
TYPE
FUNCTION
1-WIRE
I/O
1-Wire bus interface. Open drain, requires external pull-up resistor. Range:
2.8V – 6.0V. See HARDWARE CONFIGURATION for pull-up resistor
recommendations.
RH
I/O
High end terminal of potentiometer resistor element. Range: 0V – 11.0V.
Range independent of 1-Wire or VDD supply levels as well as the voltage
levels applied to the other potentiometer terminals.
RL
I/O
Low end terminal of potentiometer resistor element. Range: 0V – 11.0V.
Range independent of 1-Wire or VDD supply levels as well as the voltage
levels applied to the other potentiometer terminals.
WIPER
I/O
Potentiometer wiper terminal. Range 0V – 11.0V. Range independent of
1-Wire or VDD supply levels as well as the voltage levels applied to the other
potentiometer terminals.
VDD
PWR
Auxiliary power supply input. Range: 2.8V – 6.0V
GND
PWR
Ground
DESCRIPTION
The DS2890 is a linear taper digitally controlled potentiometer with 256 wiper positions.
Device
operation, including wiper position, is controlled over the single contact 1-Wire bus for the ultimate in
electrical interface simplicity.
With a wide 0–11 volt working voltage range for the potentiometer
terminals, the DS2890 is ideal for a broad range of industrial and control applications. Potentiometer
terminal voltage is independent of device supply voltage as well as the voltage applied to the other
potentiometer terminals. Communication with the DS2890 follows the standard Dallas Semiconductor
1-Wire protocol and can be accomplished with minimal hardware such as a single port pin of a
microcontroller.
Multiple DS2890 devices can reside on a common 1-Wire bus and be operated
independently of each other. Each DS2890 has its own unalterable 64-bit ROM registration number that
is factory lasered into the chip. The registration number guarantees unique identification for absolute
traceability and is used to address the device in a multi-drop 1-Wire Network environment. The DS2890
will respond to a 1-Wire Conditional Search command if the potentiometer wiper is set at the power-on
default position. This feature enables the bus master to easily determine whether a potentiometer has
gone through a power-on reset and needs to be re-configured with a required wiper position setting. The
DS2890 supports two power modes: a) 1-Wire only mode in which device power is supplied parasitically
from the 1-Wire and b) VDD mode where power is supplied from an external supply With a VDD supply
the device can support both a potentiometer and variable resistor configuration. When operating in a 1-
Wire only power mode the device supports only a variable resistor configuration.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2890P-000+ | 功能描述:IC POT DIGITAL 1-WIRE 100K 6TSOC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 接片:32 電阻（歐姆）:50k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 50 ppm/°C 存儲器類型:易失 接口:3 線串行（芯片選擇，遞增，增/減） 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:SOT-23-6 細(xì)型，TSOT-23-6 供應(yīng)商設(shè)備封裝:TSOT-23-6 包裝:帶卷 (TR) |
| DS2890P-000+T&R | 制造商:Maxim Integrated Products 功能描述:IC POT DIGITAL 1-WIRE 100K 6TSOC |
| DS2890P-000+T&R | 功能描述:IC POT DIGITAL 1-WIRE 100K 6TSOC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 接片:32 電阻（歐姆）:50k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 50 ppm/°C 存儲器類型:易失 接口:3 線串行（芯片選擇，遞增，增/減） 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:SOT-23-6 細(xì)型，TSOT-23-6 供應(yīng)商設(shè)備封裝:TSOT-23-6 包裝:帶卷 (TR) |
| DS2890T | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:1-Wire Digital Potentiometer |
| DS2890T-000 | 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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