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Product Detailed Parameters
- Description：IC DGTL POT 50KOHM 256TAP 24SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Taper：Linear
- Configuration：Potentiometer
- Number of Circuits：4
- Number of Taps：256
- Resistance (Ohms)：50k
- Interface：SPI
- Memory Type：Volatile
- Voltage - Supply：2.7V ~ 5.5V, ±2.3V ~ 2.7V
- Features：Cascade Pin, Selectable Address
- Tolerance：±30%
- Temperature Coefficient (Typ)：700ppm/°C
- Mounting Type：Surface Mount
- Supplier Device Package：24-SOIC
- Package / Case：24-SOIC (0.295", 7.50mm Width)
- Operating Temperature：-40°C ~ 85°C
- Resistance - Wiper (Ohms) (Typ)：50
- Grade：-
- Qualification：-
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Overview
The AD5204BRZ50-REEL is a quad-channel digital potentiometer IC from Analog Devices, featuring 256 programmable positions per channel. It utilizes a 3-wire SPI-compatible serial interface for control and operates on a single supply voltage ranging from +2.7 V to +5.5 V or dual supplies of ±2.7 V. The device incorporates volatile memory to retain resistance settings during operation and includes a power-on midscale preset feature. It is housed in a 24-lead SOIC package with surface-mount termination.
Feature Summary
- Quad-channel architecture with 256 independent tap positions
- 50 kΩ nominal terminal resistance with 700 ppm/°C temperature coefficient
- 3-wire SPI-compatible serial interface with daisy-chain capability via SDO pin
- Power-on midscale preset and hardware reset (PR) pin functionality
Applications
- Mechanical potentiometer replacement in embedded systems
- Instrumentation gain and offset adjustment circuits
- Programmable voltage-to-current conversion stages
- Line impedance matching networks
Procurement Notes
Verify the specific suffix 'REEL' indicates reel packaging rather than tube packaging when sourcing. Confirm the 'B' grade designation corresponds to the required tolerance specifications. Ensure the SOIC-24 package footprint matches the target PCB design constraints before procurement.
Selection Notes
Select this component for applications requiring four independently adjustable resistive paths. The 50 kΩ value suits moderate current applications; verify against ±1.35 mA continuous current limits. Consider the volatile memory type if non-volatile retention across power cycles is required, as alternative models may offer EEPROM storage.
Part Context
This part belongs to the AD5204 family of 4-channel digital potentiometers. It shares functional similarities with the AD5206 (6-channel) but differs in pin count and channel density. The BRZ50 variant specifically denotes the 50 kΩ resistance value within the broader AD5204 product line.
Replacement Considerations
The AD5204BRZ50 is listed as obsolete. The AD5204BRZ50-REEL is identified as a parameter-equivalent replacement. Verify pin compatibility and electrical characteristics against the original specification sheet before substitution.
