ISL22343TFR20Z集成电路（IC）的数字电位计规格书PDF中文资料

特性 Features

• Four potentiometers in one package

• 256 resistor taps

• I2C serial interface

- Three address pins, up to eight devices per bus

• Non-volatile EEPROM storage of wiper position

• 11 General Purpose non-volatile registers

• High reliability

- Endurance: 1,000,000 data changes per bit per register

- Register data retention: 50 years @ T 55°C

• Wiper resistance: 70 typical @ 1mA

• Standby current <4μA max

• Shutdown current <4μA max

• Dual power supply

- VCC = 2.25V to 5.5V

- V- = -2.25V to -5.5V

• 10k 50kor 100k total resistance

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

• 20 Ld TSSOP or 20 Ld QFN

• Pb-free (RoHS compliant)