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Product Detailed Parameters
- Description：IC DGTL POT 10KOHM 32TAP 8LFCSP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Taper：Linear
- Configuration：Potentiometer
- Number of Circuits：1
- Number of Taps：32
- Resistance (Ohms)：10k
- Interface：Up/Down (U/D, CS)
- Memory Type：Non-Volatile
- Voltage - Supply：2.3V ~ 5.5V
- Features：-
- Tolerance：±8%
- Temperature Coefficient (Typ)：35ppm/°C
- Mounting Type：Surface Mount
- Supplier Device Package：8-LFCSP-UD (2x2)
- Package / Case：8-UFDFN Exposed Pad, CSP
- Operating Temperature：-40°C ~ 125°C
- Resistance - Wiper (Ohms) (Typ)：70
- Grade：-
- Qualification：-
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Overview
The AD5115BCPZ10-RL7 is a digital potentiometer featuring a 10 kΩ resistance value and 64 tap positions. It operates within a supply voltage range of 2.3 V to 5.5 V, with analog terminals (A, W, B) rated from GND to VDD. The device supports a maximum clock frequency of 50 MHz and includes an internal EEPROM for nonvolatile data storage. Maximum continuous currents are specified as ±6 mA for the 10 kΩ variant. The exposed pad is internally floating.
Feature Summary
- 64-position digital adjustment with 10 kΩ nominal resistance
- Nonvolatile EEPROM memory for wiper position retention
- 50 MHz maximum clock input frequency
- ±6 mA maximum continuous current capability
Applications
- Volume control in audio systems
- Programmable gain amplifier biasing
- Voltage reference adjustment
- Sensor calibration circuits
Procurement Notes
Verify the specific suffix RL7 indicates tape and reel packaging configuration. Confirm the BC grade meets required temperature stability specifications. Ensure ESD precautions are implemented during handling due to sensitivity. Validate that the 10 kΩ resistance aligns with target circuit impedance requirements.
Selection Notes
Select this component when a compact digital solution replaces mechanical potentiometers. The 64-tap resolution suits applications requiring moderate precision. Verify that the 50 MHz SPI interface speed matches the host controller capabilities. Consider the ±6 mA drive limit for load requirements.
Part Context
This part belongs to the AD511x family, which includes variants with different resistance values and tap counts. The AD5115 specifically denotes the 10 kΩ, 64-position version. It shares the same pinout and command set with the AD5111 and AD5113 models.
Replacement Considerations
Direct substitutes include other AD511x series members like the AD5113 or AD5111 if resistance or tap count differences are acceptable. Verify pin compatibility and command set alignment before substitution.
FAQ
What is the function of the exposed pad?
The exposed pad is internally floating and does not serve as a ground connection.
How is the wiper position maintained after power loss?
The device stores the wiper setting in internal nonvolatile EEPROM memory.
What is the maximum allowable current through the terminals?
For the 10 kΩ version, the maximum continuous current is ±6 mA.
