AD5171BRJZ100-R2 AD5171BRJZ100-R2 – 64-Position, 100kΩ OTP Digital Potentiometer
- One-Time Programmable (OTP): Fuse-link technology locks resistance permanently after final adjustment.
- Wide Resistance Range: 100kΩ end-to-end resistance with ±30% tolerance.
- I2C Interface: Simple 2-wire control with selectable address (AD0 pin) for multi-device configurations.
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Request a QuoteAD5171BRJZ100-R2 Overview
The AD5171BRJZ100-R2 from Analog Devices (now part of TI) is a 64-position, one-time programmable (OTP) digital potentiometer designed for set-and-forget resistance settings. It replaces mechanical trimmers with a fuse-based memory solution, ensuring permanent resistance retention without the need for reprogramming. With an I2C-compatible interface, ultra-low power consumption, and a compact SOT-23-8 package, it is ideal for precision adjustments in industrial, automotive, and consumer applications.
Key Features
✅ One-Time Programmable (OTP): Fuse-link technology locks resistance permanently after final adjustment.
✅ Wide Resistance Range: 100kΩ end-to-end resistance with ±30% tolerance.
✅ I2C Interface: Simple 2-wire control with selectable address (AD0 pin) for multi-device configurations.
✅ Low Tempco: 35 ppm/°C in rheostat mode, ensuring stability across temperatures.
✅ Compact Design: 8-lead SOT-23 package for space-constrained applications.
Specifications
Electrical Characteristics
| Parameter | Value |
|---|---|
| Resolution | 6-bit (64 positions) |
| Resistance (R_AB) | 100kΩ (±30%) |
| Wiper Resistance (R_W) | 60Ω (typ) |
| Interface | I2C (up to 400kHz) |
| Supply Voltage | 2.7V to 5.5V (OTP: 4.75V–5.25V) |
| Temperature Range | -40°C to +125°C (Automotive-grade) |
| Settling Time | 5μs (typ) |
Packaging & Ordering
| Package | Tape & Reel | Cut Tape |
|---|---|---|
| SOT-23-8 | Yes (TR) | Yes (CT) |
Applications
- System Calibrations: Replace mechanical potentiometers in factory settings.
- Gain/Offset Adjustment: Precision control in op-amp circuits.
- Automotive Electronics: Sensor trimming and level shifting.
- Programmable Filters: Bandwidth up to 1.5 MHz (5kΩ version).
- Industrial Controls: Factory-programmable reference voltages.
Why Choose AD5171BRJZ100-R2?
- Cost-Effective OTP: Eliminates EEPROM complexity for fixed-resistance applications.
- High Reliability: Resistant to environmental stress post-programming.
- Easy Integration: Comes with evaluation software for Windows-based programming.
Specification: AD5171BRJZ100-R2 – 64-Position, 100kΩ OTP Digital Potentiometer
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