ISL23418UFUZ-T7A 数字电位计IC

ISL23418UFUZ-T7A

数字电位计 IC 128 TAPVOLATILE SPI SNG RNG IND DCP 10LD

Single, 128-Tap, Low Voltage Digitally Controlled Potentiometer (XDCP™)

The ISL23418UFUZ-T7A ISL23418 is a volatile, low voltage, low noise, low power,  SPI™ bus, 128 taps, single digitally controlled potentiometer  (DCP), which integrates DCP core, wiper switches, and control  logic on a monolithic CMOS integrated circuit.

Features ISL23418UFUZ-T7A

• 128 Resistor Taps

• SPI Serial Interface

- No Additional Level Translator for Low Bus Supply

- Daisy Chaining of Multiple DCP

• Wiper Resistance: 70 Typical @ VCC = 3.3V

• Shutdown Mode: Forces DCP into End-to-end Open Circuit;

RW Shorted to RL Internally

• Power-on Preset to Mid-scale (64-tap Position)

• Shutdown and Standby Current <2.8μA Max

• Power Supply

- VCC = 1.7V to 5.5V Analog Power Supply

- VLOGIC = 1.2V to 5.5V SPI Bus/Logic Power Supply

• DCP Terminal Voltage from 0V to VCC

• 10k 50kor 100k Total Resistance

• Extended Industrial Temperature Range: -40°C to +125°C

• 10 Ld MSOP or 10 Ld μTQFN Packages

• Pb-free (RoHS compliant)

Applications ISL23418UFUZ-T7A

• Power Supply Margining

• RF Power Amplifier Bias Compensation

• LCD Bias Compensation

• Gain Adjustment in Battery Powered Instruments

• Portable Medical Equipment Calibration