Overview
The AD5232BRUZ100-RL7, produced by Analog Devices Inc., is a nonvolatile, dual-channel, digitally controlled variable resistor (VR) with 256-position resolution. This device functions as a true variable resistor replacement for analog signals, offering enhanced resolution, solid-state reliability, and superior low temperature coefficient performance. It is designed to operate in various modes, including direct programming and memory recall, making it versatile for a range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Terminal Resistance | 10 kΩ, 50 kΩ, 100 kΩ | - |
| Resolution | 256 positions | - |
| Supply Voltage (Single-Supply) | 2.7 V to 5.5 V | V |
| Supply Voltage (Dual-Supply) | ±2.25 V to ±2.75 V | V |
| Operating Temperature | −40°C to +85°C | °C |
| Interface | SPI-compatible serial interface | - |
| Memory | Nonvolatile EEMEM, 14 bytes of general-purpose user EEMEM | - |
| Power Dissipation | 0.018 mW to 0.05 mW | mW |
| Package | 16-lead TSSOP | - |
Key Features
- Dual-channel, 256-position resolution
- Nonvolatile memory maintenance of wiper settings
- Predefined linear and log taper increment/decrement instructions
- SPI-compatible serial interface
- Wiper settings and EEMEM readback
- 3 V to 5 V single-supply operation and ±2.5 V dual-supply operation
- 14 bytes of general-purpose user EEMEM and permanent memory write protection
- 100-year typical data retention at 55°C
Applications
- Mechanical potentiometer replacement
- Instrumentation: gain and offset adjustment
- Programmable voltage-to-current conversion
- Programmable filters, delays, and time constants
- Programmable power supply
- Low resolution DAC replacement
- Sensor calibration
Q & A
- What is the resolution of the AD5232BRUZ100-RL7?
The AD5232BRUZ100-RL7 has a resolution of 256 positions.
- What are the nominal terminal resistance values available for this device?
The nominal terminal resistance values are 10 kΩ, 50 kΩ, and 100 kΩ.
- What is the operating temperature range of the AD5232BRUZ100-RL7?
The operating temperature range is −40°C to +85°C.
- What type of interface does the AD5232BRUZ100-RL7 use?
The device uses an SPI-compatible serial interface.
- Does the AD5232BRUZ100-RL7 have nonvolatile memory?
Yes, it has nonvolatile EEMEM for wiper settings and 14 bytes of general-purpose user EEMEM.
- What is the typical data retention time for the EEMEM at 55°C?
The typical data retention time is 100 years at 55°C.
- What are some common applications of the AD5232BRUZ100-RL7?
Common applications include mechanical potentiometer replacement, instrumentation, programmable voltage-to-current conversion, and sensor calibration.
- What is the package type of the AD5232BRUZ100-RL7?
The device is packaged in a 16-lead TSSOP.
- Does the AD5232BRUZ100-RL7 support both single-supply and dual-supply operations?
Yes, it supports both 3 V to 5.5 V single-supply and ±2.25 V to ±2.75 V dual-supply operations.
- How can the wiper settings be adjusted in the AD5232BRUZ100-RL7?
The wiper settings can be adjusted using increment and decrement commands, as well as predefined linear and log taper instructions.
