Datasheet > ISL23315WFRUZ-TK

ISL23315WFRUZ-TK

更新时间： 2024-01-19 23:46:29

品牌	Logo	应用领域
英特矽尔 - INTERSIL		转换器电位器电阻器
页数	文件大小	规格书
19页	829K
描述
Single, Low Voltage Digitally Controlled Potentiometer (XDCP?)

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数据手册
替代型号

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ISL23315WFRUZ-TK 数据手册

Single, Low Voltage Digitally Controlled Potentiometer

(XDCP™)

ISL23315

Features

• 256 resistor taps

The ISL23315 is a volatile, low voltage, low noise, low power, I C

™

Bus , 256 Taps, single digitally controlled potentiometer (DCP),

• I C serial interface

which integrates DCP core, wiper switches and control logic on

a monolithic CMOS integrated circuit.

- No additional level translator for low bus supply

- Two address pins allow up to four devices per bus

The digitally controlled potentiometer is implemented with a

combination of resistor elements and CMOS switches. The

position of the wipers are controlled by the user through the

• Wiper resistance: 70Ω typical @ V = 3.3V

• Shutdown Mode - forces the DCP into an end-to-end open

I C bus interface. The potentiometer has an associated

circuit and R is shorted to R internally

volatile Wiper Register (WR) that can be directly written to and

read by the user. The contents of the WR controls the position

of the wiper. When powered on, the ISL23315’s wiper will

always commence at mid-scale (128 tap position).

• Power-on preset to mid-scale (128 tap position)

• Standby current <2.5µA max

• Shutdown current <2µA max

• Power supply

The low voltage, low power consumption, and small package

of the ISL23315 make it an ideal choice for use in battery

operated equipment. In addition, the ISL23315 has a V

- V = 1.7V to 5.5V analog power supply

LOGIC

pin allowing down to 1.2V bus operation, independent from the

value. This allows for low logic levels to be connected

- V

LOGIC

= 1.2V to 5.5V I C bus/logic power supply

• DCP terminal voltage from 0V to V

directly to the ISL23315 without passing through a voltage

level shifter.

• 10kΩ, 50kΩ or 100kΩ total resistance

• Extended industrial temperature range: -40°C to +125°C

• 10 Ld MSOP or 10 Ld µTQFN packages

• Pb-free (RoHS compliant)

The DCP can be used as a three-terminal potentiometer or as a

two-terminal variable resistor in a wide variety of applications

including control, parameter adjustments, and signal processing.

Applications

• Power supply margining

• RF power amplifier bias compensation

• LCD bias compensation

• Laser diode bias compensation

10000

8000

6000

4000

2000

V_REF

V_{REF_M}

ISL23315

ISL28114

100

150

200

250

TAP POSITION (DECIMAL)

FIGURE 2. V

ADJUSTMENT

REF

FIGURE 1. FORWARD AND BACKWARD RESISTANCE vs TAP

POSITION, 10k DCP

December 15, 2010

FN7778.0

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Intersil (and design) and XDCP are trademarks owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners

12 3 4 5 6 7...19

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ISL23315WFRUZ-TK 替代型号

型号	品牌	替代类型	描述	数据表
ISL23315WFRUZ-T7A	INTERSIL	完全替代	Single, Low Voltage Digitally Controlled Potentiometer (XDCP?)
ISL23315UFRUZ-T7A	INTERSIL	类似代替	Single, Low Voltage Digitally Controlled Potentiometer (XDCP?)
ISL23315UFRUZ-TK	INTERSIL	功能相似	Single, Low Voltage Digitally Controlled Potentiometer (XDCP?)

与ISL23315WFRUZ-TK相关器件

型号	品牌	获取价格	描述	数据表
ISL23315WFUZ	RENESAS	获取价格	Single, Low Voltage Digitally Controlled Potentiometer (XDCP™); MSOP10, uTQFN10;
ISL23315WFUZ	INTERSIL	获取价格	Single, Low Voltage Digitally Controlled Potentiometer (XDCP?)
ISL23315WFUZ-T	RENESAS	获取价格	10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO10, ROHS CO
ISL23315WFUZ-T7A	RENESAS	获取价格	Single, Low Voltage Digitally Controlled Potentiometer (XDCP™); MSOP10, uTQFN10;
ISL23315WFUZ-TK	RENESAS	获取价格	Single, Low Voltage Digitally Controlled Potentiometer (XDCP™); MSOP10, uTQFN10;
ISL23318	INTERSIL	获取价格	Providing high-performance solutions for every link in the signal chain
ISL23318	RENESAS	获取价格	Single, 128-taps Low Voltage Digitally Contro
ISL23318TFRUZ-T7A	INTERSIL	获取价格	Single, 128-taps Low Voltage Digitally Contro
ISL23318TFRUZ-T7A	RENESAS	获取价格	Single, 128-taps Low Voltage Digitally Contro
ISL23318TFRUZ-TK	RENESAS	获取价格	Single, 128-taps Low Voltage Digitally Contro

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