Overview
The AD5235BRUZ25-RL7, produced by Analog Devices Inc., is a dual-channel, nonvolatile memory, digitally controlled potentiometer. This device offers a 1024-step resolution and is designed to perform the same electronic adjustment function as a mechanical potentiometer but with enhanced resolution, solid-state reliability, and superior low temperature coefficient performance. It operates with a single supply of 2.7 V to 5 V or a dual supply of ±2.5 V and features an SPI-compatible serial interface for versatile programming.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD5235BRUZ25-RL7 |
| Package | 16-Lead TSSOP |
| Resolution | 1024 positions |
| Nominal Resistance | 25 kΩ |
| Resistor Tolerance Error | ±8% |
| Temperature Coefficient | 35 ppm/°C |
| Supply Voltage | 2.7 V to 5 V (single), ±2.5 V (dual) |
| Interface | SPI-compatible serial interface |
| Operating Temperature Range | −40°C to +85°C |
| Nonvolatile Memory | Stores wiper settings and resistance tolerance |
Key Features
- Dual-channel, nonvolatile memory, digitally controlled potentiometer with 1024-step resolution.
- Guaranteed maximum low resistor tolerance error of ±8%.
- Low temperature coefficient of 35 ppm/°C.
- SPI-compatible serial interface for versatile programming, including scratchpad programming, memory storing and restoring, increment/decrement, and logarithmic adjustments.
- Power-on refresh with EEMEM settings and permanent memory write protection.
- Ability to store user-defined information such as memory data for other components, look-up tables, or system identification information.
Applications
- DWDM laser diode driver and optical supervisory systems.
- 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 AD5235BRUZ25-RL7? The AD5235BRUZ25-RL7 has a resolution of 1024 positions.
- What is the nominal resistance of the AD5235BRUZ25-RL7? The nominal resistance is 25 kΩ.
- What is the temperature coefficient of the AD5235BRUZ25-RL7? The temperature coefficient is 35 ppm/°C.
- What is the operating temperature range of the AD5235BRUZ25-RL7? The operating temperature range is −40°C to +85°C.
- Does the AD5235BRUZ25-RL7 have nonvolatile memory? Yes, it stores wiper settings and resistance tolerance in nonvolatile memory.
- What interface does the AD5235BRUZ25-RL7 use for programming? It uses an SPI-compatible serial interface.
- What are some common applications of the AD5235BRUZ25-RL7? Common applications include DWDM laser diode drivers, mechanical potentiometer replacement, instrumentation, and programmable power supplies.
- Is the AD5235BRUZ25-RL7 RoHS compliant? Yes, it is RoHS compliant.
- What package type does the AD5235BRUZ25-RL7 come in? It comes in a 16-Lead TSSOP package.
- Can the AD5235BRUZ25-RL7 be used in defense and aerospace applications? Yes, the AD5235-EP version supports defense and aerospace applications (AQEC standard).
