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Product Detailed Parameters
- Description：IC DGT POT 50KOHM 256TAP 24TSSOP
- 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：Selectable Address
- Tolerance：±30%
- Temperature Coefficient (Typ)：700ppm/°C
- Mounting Type：Surface Mount
- Supplier Device Package：24-TSSOP
- Package / Case：24-TSSOP (0.173", 4.40mm Width)
- Operating Temperature：-40°C ~ 85°C
- Resistance - Wiper (Ohms) (Typ)：50
- Grade：-
- Qualification：-
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Overview
The AD5204BRUZ50-REEL7 is a quad-channel digital potentiometer IC from Analog Devices, featuring 256 programmable positions per channel. It operates on a single supply of 2.7 V to 5.5 V or dual supplies of ±2.3 V to ±2.7 V. The device utilizes a 3-wire SPI-compatible serial interface for data input and includes an SDO pin for daisy-chaining. Key electrical parameters include a nominal resistance tolerance of ±30%, a temperature coefficient of 700 ppm/°C, and a typical power supply current of 12 μA. It is housed in a 24-lead TSSOP package.
Feature Summary
- Quad-channel architecture with 256 independent tap positions per channel
- SPI-compatible 3-wire serial interface with daisy-chain capability via SDO output
- Power-on midscale preset and hardware reset (PR) pin functionality
- Shutdown mode with open-circuit terminals and low leakage current
Applications
- Mechanical potentiometer replacement in embedded systems
- Instrumentation gain and offset adjustment circuits
- Programmable voltage-to-current conversion stages
- Line impedance matching applications
Procurement Notes
Verify the specific ordering suffix REEL7 confirms the reel packaging format. Confirm the BRUZ designation corresponds to the industrial temperature range (-40°C to +85°C) and the 50 kΩ nominal resistance value. Ensure compatibility with the 24-lead TSSOP footprint during procurement planning.
Selection Notes
Select this component when four independent variable resistors are required within a single package. The 50 kΩ terminal resistance offers a balance between bandwidth and noise performance compared to 10 kΩ or 100 kΩ variants. Verify that the volatile memory type aligns with the application's need to reprogram resistance values upon each power cycle.
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 BRUZ50 variant specifically denotes the 50 kΩ resistance option in the TSSOP-24 package, distinct from the SOIC-24 or LFCSP package options available in the broader series.
Replacement Considerations
The AD5204BRZ50-REEL7 serves as a direct replacement for the discontinued AD5204BRZ50 tube-packaged version. Both share identical electrical specifications and pinouts, differing only in the shipping packaging format.
