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Product Detailed Parameters
- Description：IC DGTL POT 10KOHM 16LFCSP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Taper：Linear
- Configuration：Potentiometer
- Number of Circuits：1
- Number of Taps：256
- Resistance (Ohms)：10k
- Interface：I2C, SPI
- Memory Type：Non-Volatile
- Voltage - Supply：2.3V ~ 5.5V, ±2.25V ~ 2.75V
- Features：Selectable Address
- Tolerance：±8%
- Temperature Coefficient (Typ)：35ppm/°C
- Mounting Type：Surface Mount
- Supplier Device Package：16-LFCSP (3x3)
- Package / Case：16-WFQFN Exposed Pad, CSP
- Operating Temperature：-40°C ~ 125°C
- Resistance - Wiper (Ohms) (Typ)：55
- Grade：-
- Qualification：-
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Overview
The AD5141BCPZ10-RL7 is a single-channel, nonvolatile digital potentiometer featuring 256 adjustment positions and an 8-bit resolution. It offers a nominal resistance of 10 kΩ with a maximum tolerance of ±8% and a temperature coefficient of 35 ppm/°C. The device supports both SPI and I2C digital interfaces via the DIS pin and operates on a single supply voltage ranging from 2.3 V to 5.5 V, or dual supplies up to ±2.75 V. It includes EEPROM storage for data retention and is housed in a compact 16-lead, 3 mm × 3 mm LFCSP package.
Feature Summary
- Nonvolatile memory with 256 wiper positions and 50-year data retention
- Dual interface support: SPI (DIS=0) and I2C (DIS=1)
- Wide operating temperature range from -40°C to +125°C
- Linear gain setting mode via INDEP pin for precise resistor matching
Applications
- Portable electronics level adjustment
- LCD panel brightness and contrast controls
- Programmable filters, delays, and time constants
- Programmable power supplies
Procurement Notes
Verify the specific suffix 'RL7' corresponds to the reel packaging format as indicated by distributor listings. Confirm that the 'B' grade meets the required tolerance specifications for the application. Ensure ESD precautions are observed during handling due to the sensitivity of the CMOS structure.
Selection Notes
Select this component when a single-channel digital potentiometer with nonvolatile storage is required. The 10 kΩ value suits moderate impedance applications, while the 256-position resolution provides fine control. Verify that the logic supply voltage (VLOGIC) is compatible with the host controller's I/O levels before integration.
Part Context
This part belongs to the AD5121/AD5141 family of single-channel digital potentiometers. The AD5141 variant specifically provides 256 positions compared to the 128 positions of the AD5121. Both share identical electrical characteristics and package options, differing primarily in resolution.
Replacement Considerations
The AD5121BCPZ10-RL7 serves as a direct functional substitute if 128 positions are sufficient. Other family members like the AD5142 offer dual-channel configurations within the same package footprint.
