Overview
The AD5170BRMZ10-RL7, produced by Analog Devices Inc., is a 256-position, two-time programmable digital potentiometer. This device employs fuse link technology, allowing users two opportunities to permanently program the resistance setting. It is designed to replace mechanical potentiometers and variable resistors with enhanced resolution, solid-state reliability, and a low temperature coefficient. The AD5170 is programmed using a 2-wire, I²C-compatible digital interface and features a unique temporary OTP overwrite capability, enabling new adjustments even after the fuse is blown.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Positions | 256 |
| Interface | I²C |
| Nominal Resistor Values | 2.5 kΩ, 10 kΩ, 50 kΩ |
| Operating Temperature Range | -40°C to +125°C |
| Resistance Tempco (typ) | 35 ppm/°C |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Supply Current (IDD) | 6 µA maximum |
| Settling Time (tS) | 5 µs typical |
| -3 dB Bandwidth (BW) | 4.8 MHz |
| Total Harmonic Distortion (THD) | 0.1% typ |
| Package | 10-lead MSOP (3 mm × 4.9 mm) |
Key Features
- Two-time programmable using fuse link technology
- Temporary OTP overwrite feature for dynamic adjustments
- I²C-compatible digital interface
- Power-on preset to midscale
- Low power consumption: IDD = 6 µA maximum
- Low temperature coefficient: 35 ppm/°C
- Fast settling time: tS = 5 µs typical
- Compact 10-lead MSOP package
Applications
- Systems calibration
- Electronics level setting
- Mechanical trimmers replacement in new designs
- Permanent factory PCB settings
- Transducer adjustment of pressure, temperature, position, chemical, and optical sensors
- RF amplifier biasing
- Gain control and offset adjustments
Q & A
- What is the AD5170BRMZ10-RL7?
The AD5170BRMZ10-RL7 is a 256-position, two-time programmable digital potentiometer produced by Analog Devices Inc.
- What interface does the AD5170 use?
The AD5170 uses a 2-wire, I²C-compatible digital interface.
- What are the nominal resistor values available for the AD5170?
The nominal resistor values are 2.5 kΩ, 10 kΩ, and 50 kΩ.
- What is the operating temperature range of the AD5170?
The operating temperature range is -40°C to +125°C.
- What is the supply voltage range for the AD5170?
The supply voltage range is 2.7 V to 5.5 V.
- How many opportunities are there to permanently program the resistance setting?
There are two opportunities to permanently program the resistance setting using fuse link technology.
- What is the settling time of the AD5170?
The settling time (tS) is 5 µs typical.
- What is the total harmonic distortion (THD) of the AD5170?
The total harmonic distortion (THD) is 0.1% typical.
- What package type is the AD5170 available in?
The AD5170 is available in a 10-lead MSOP package (3 mm × 4.9 mm).
- What are some common applications of the AD5170?
Common applications include systems calibration, electronics level setting, mechanical trimmers replacement, permanent factory PCB settings, and transducer adjustments.
