Overview
The AD5170BRMZ10, produced by Analog Devices Inc., is a 256-position, two-time programmable, I²C-compatible digital potentiometer. This device employs fuse link technology, allowing users to permanently program the resistance setting in two distinct opportunities. It offers enhanced resolution, solid-state reliability, and superior low temperature coefficient performance, making it an ideal replacement for mechanical potentiometers or variable resistors in various applications. The AD5170 is available in a compact 10-lead MSOP package, measuring 3 mm × 4.9 mm, and operates over a supply voltage range of 2.7 V to 5.5 V.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Number of Positions | 256 | - | - | - |
| End to End Resistance | - | 2.5 kΩ, 10 kΩ, 50 kΩ | - | Ω |
| Operating Temperature Range | -40 | - | 125 | °C |
| Supply Voltage Range | 2.7 | - | 5.5 | V |
| Supply Current | - | 3.5 | 6 | µA |
| Resistance Tolerance | - | - | 20% | % |
| Temperature Coefficient | - | 35 | - | ppm/°C |
| -3 dB Bandwidth | - | 4.8 MHz | - | Hz |
| Total Harmonic Distortion | - | 0.1% | - | % |
| Settling Time | - | 1 µs | - | s |
| Interface | - | I²C | - | - |
| Package Type | - | 10-lead MSOP | - | - |
Key Features
- High-resolution 256-position digital potentiometer
- Two-time programmable using fuse link technology
- I²C-compatible digital interface for easy programming and debugging
- Temporary OTP overwrite feature allowing dynamic adjustments after permanent programming
- Fast settling time of 1 µs typical
- Power-on preset to midscale
- Compact 10-lead MSOP package
- Precision voltage reference for precise control
- Low temperature coefficient of 35 ppm/°C
Applications
- Systems calibration
- Electronics level setting
- Replacement of mechanical trimmers in new designs
- Permanent factory PCB settings
- Transducer adjustment for pressure, temperature, position, chemical, and optical sensors
- RF amplifier biasing
- Gain control and offset adjustments
- Light intensity calibration
- Motor speed adjustment
- Temperature sensor trimming
Q & A
- What is the AD5170BRMZ10? The AD5170BRMZ10 is a 256-position, two-time programmable, I²C-compatible digital potentiometer produced by Analog Devices Inc.
- What is the operating voltage range of the AD5170BRMZ10? The operating voltage range is from 2.7 V to 5.5 V.
- What is the temperature coefficient of the AD5170BRMZ10? The temperature coefficient is 35 ppm/°C.
- What is the interface type of the AD5170BRMZ10? The interface is I²C-compatible.
- What is the package type of the AD5170BRMZ10? The package type is a 10-lead MSOP.
- Can the AD5170BRMZ10 be programmed more than once? Yes, it allows two opportunities for permanent programming using fuse link technology.
- What is the settling time of the AD5170BRMZ10? The settling time is 1 µs typical.
- What are some common applications of the AD5170BRMZ10? Common applications include systems calibration, electronics level setting, replacement of mechanical trimmers, and transducer adjustments.
- Is the AD5170BRMZ10 RoHS compliant? Yes, the AD5170BRMZ10 is RoHS compliant.
- What is the resistance tolerance of the AD5170BRMZ10? The resistance tolerance is up to 20%.
- How many positions does the AD5170BRMZ10 have? The AD5170BRMZ10 has 256 positions.
