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參數(shù)資料
| 型號(hào)： | DS2890X-000 |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 12/27頁(yè) |
| 文件大小： | 0K |
| 描述： | IC POT DIGITAL 1-WIRE 100K CSP |
| 標(biāo)準(zhǔn)包裝： | 10,000 |
| 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(chǔ)器類(lèi)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(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 6-XBGA，F(xiàn)CBGA |
| 供應(yīng)商設(shè)備封裝： | 6-覆晶（2.82x2.54） |
| 包裝： | 帶卷 (TR) |
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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 |
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| DS28CM00 | 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:IC/SMBus Silicon Serial Number |
| DS28CM00EVKIT | 制造商:Maxim Integrated Products 功能描述:DS28CM00 EV-BOARD W/ MAXQ BOARD - Rail/Tube |
| DS28CM00R-A00+T | 功能描述:序列號(hào)注冊(cè) I2C/SMBus Silicon Serial Number RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度: 電源電壓-最大: 電源電壓-最小: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: |
| DS28CM00R-A00+U | 制造商:Maxim Integrated Products 功能描述:SMBUS SILICON SERIAL NUMBER 制造商:Maxim Integrated Products 功能描述:SMBUS INTRFC 5PIN SOT-23 - Rail/Tube 制造商:Maxim Integrated Products 功能描述:SILICON SERIAL NUMBER, 5-SOT23 制造商:Maxim Integrated Products 功能描述:SILICON SERIAL NUMBER, 5-SOT23, IC Function:Silicon Serial Number IC, Brief Feat |
| DS28CN01 | 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:1Kbit IC/SMBus EEPROM with SHA-1 Engine |
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