AD5121BCPZ100-RL7 The AD5121BCPZ100-RL7 is a 100kOhm, 128-tap, non-volatile digital potentiometer from Analog Devices. It features I²C and SPI interface, operates from 2.3V to 5.5V, and is available in a 16-LFCSP package.
Mfr Part #:

AD5121BCPZ100-RL7

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The AD5121BCPZ100-RL7 is a 100kOhm, 128-tap, non-volatile digital potentiometer from Analog Devices. It features I²C and SPI interface, operates from 2.3V to 5.5V, and is available in a 16-LFCSP package.
Total Stock: 4,758 pcs

AD5121BCPZ100-RL7 Available from 2 distributors

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AD5121BCPZ100-RL7 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Bandwidth
Configuration
Features
Interface
Lead Style
Memory Type
Mounting Type
Number of Circuits
Number of Taps
Operating Temperature
Resistance
Resistance (Ohms)
Supplier Device Package
Tape & Reel
Taper
Temperature Coefficient
Temperature Coefficient (Typ)
Tolerance
Voltage

AD5121BCPZ100-RL7 Description

Short technical summary and product information.

The AD5121BCPZ100-RL7 is a single-channel, 128-tap digital potentiometer with a nominal resistance of 100 kOhms and ±8% tolerance. It features a linear taper and is configured as a potentiometer. The device supports both I²C and SPI serial interfaces for digital control, and its wiper setting is stored in non-volatile memory, ensuring retention after power-off.

 

The potentiometer operates from a single supply voltage of 2.3V to 5.5V or dual supplies of ±2.25V to ±2.75V. It has a typical wiper resistance of 130 Ohms, a wiper current of ±6 mA, and a bandwidth of 3 MHz. The temperature coefficient is 35 ppm/°C, and the startup time is less than 75 µs. The device also includes a selectable address feature for multiple-device configurations.

 

The AD5121BCPZ100-RL7 is housed in a 16-lead LFCSP (Lead Frame Chip Scale Package) with a 3mm x 3mm footprint, suitable for surface-mount assembly. It is qualified for automotive applications and operates over an extended temperature range of -40°C to 125°C. The device is supplied in tape and reel packaging.

AD5121BCPZ100-RL7 Quick Information

Product Type: Digital Potentiometer
Canonical Name: AD5121BCPZ100-RL7 100kOhm Digital Potentiometer, 128-Tap, Non-Volatile, I²C/SPI, 16-LFCSP
Subcategory: Digital Potentiometers

AD5121BCPZ100-RL7 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): MSL 3 (168 hours)
REACH Status: REACH Unaffected

AD5121BCPZ100-RL7 Features

  • 100kOhm resistance with 128 taps.
  • Non-volatile memory retains wiper setting.
  • Supports I²C and SPI serial interfaces.
  • Operates from 2.3V to 5.5V single supply.
  • Automotive qualified for -40°C to 125°C.

AD5121BCPZ100-RL7 Applications

  • Used in digital calibration and trimming circuits.
  • Ideal for audio volume control applications.
  • Suitable for sensor signal conditioning.
  • Applied in automotive control modules.

AD5121BCPZ100-RL7 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range?

Single supply: 2.3V to 5.5V; dual supply: ±2.25V to ±2.75V.

What is the package type?

16-LFCSP (3mm x 3mm).

What is the operating temperature range?

-40°C to 125°C.

Is the device RoHS compliant?

RoHS3 compliant (unverified).

What is the wiper resistance?

Typical wiper resistance is 130 Ohms.

What interfaces does it support?

I²C and SPI.

Is the device automotive qualified?

Yes, qualified for automotive applications.

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