The ISL22316WMUEP integrates a single digitally controlled

potentiometer (DCP) and non-volatile memory on a

monolithic CMOS integrated circuit.

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

I2C bus interface. The potentiometer has an associated

volatile Wiper Register (WR) and a non-volatile Initial Value

Register (IVR) that can be directly written to and read by the

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

wiper. At power-up, the device recalls the contents of the

DCP’s IVR to the WR.

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.

Features

• Specifications per DSCC VID V62/08603-01XB

• Full Mil-Temp Electrical Performance from -55°C to +125°C

• Controlled Baseline with One Wafer Fabrication Site and

One Assembly/Test Site

• Full Homogeneous Lot Processing in Wafer Fab

• No Combination of Wafer Fabrication Lots in Assembly

• Full Traceability Through Assembly and Test by

Date/Trace Code Assignment

• Enhanced Process Change Notification

• Enhanced Obsolescence Management

• Eliminates Need for Up-Screening a COTS Component

• 128 Resistor Taps

• I2C Serial Interface

- Two Address Pins, Up To Four Devices/Bus

• Non-volatile Storage of Wiper Position

• Wiper Resistance: 70Ω Typical @ 3.3V

• Shutdown Mode

• Shutdown Current 5µA Max

• Power Supply: 2.7V to 5.5V

• 10kΩ Total Resistance

• High Reliability

- Endurance: 1,000,000 Data Changes Per Bit Per

Register

- Register Data Retention:

- 10 years @ T ≤ +125°C

- 15 years @ T ≤ +90°C

- 50 years @ T ≤ +55°C

• 10 Ld MSOP