Overview
The AD5173BRMZ2.5-RL7 is a dual-channel, I2C-controlled, non-volatile digital potentiometer produced by Analog Devices Inc. This component is designed to offer precise resistance control with a wide operating voltage range and linear taper. It features 256 programmable steps, making it suitable for various applications requiring accurate adjustments.
The device employs fuse link technology for one-time programmable (OTP) memory, providing a cost-effective alternative to EEMEM. It is housed in a compact 10-lead MSOP package, measuring 3 mm × 4.9 mm, which is ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| End-to-end Resistance | 2.5 kΩ | Ohms |
| Number of Channels | 2 | - |
| Number of Programmable Steps | 256 | - |
| Operating Voltage Range | 2.7 V to 5.5 V | Volts |
| Operating Temperature Range | -40°C to 125°C | Celsius |
| Temperature Coefficient | 35 ppm/°C | ppm/°C |
| Supply Current (IDD) | 6 µA (maximum) | Amps |
| Package Type | 10-Lead MSOP | - |
| Package Dimensions | 3 mm × 4.9 mm | mm |
| Interface | I2C | - |
| Settling Time (tS) | 5 µs (typical on power-up) | µs |
Key Features
- Dual-channel digital potentiometer with 256 programmable steps.
- Linear taper for precise resistance control.
- I2C interface for easy digital control.
- Non-volatile memory (OTP) to retain settings even when power is removed.
- Wide operating voltage range of 2.7 V to 5.5 V.
- Low temperature coefficient of 35 ppm/°C.
- Compact surface-mount package (10-lead MSOP) for space-constrained designs.
- Fast settling time of 5 µs typical on power-up.
- Power-on preset to midscale.
- Extra package address decode pins: AD0 and AD1.
- Low power consumption with a maximum supply current of 6 µA.
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 adjustment.
- Resistance adjustment and control.
- Sensor calibration.
- Volume/tone control.
- Programmable resistor networks.
Q & A
- What is the AD5173BRMZ2.5-RL7?
The AD5173BRMZ2.5-RL7 is a dual-channel, I2C-controlled, non-volatile digital potentiometer from Analog Devices Inc.
- What is the end-to-end resistance of the AD5173BRMZ2.5-RL7?
The end-to-end resistance is 2.5 kΩ.
- How many programmable steps does the AD5173BRMZ2.5-RL7 have?
The device has 256 programmable steps.
- What is the operating voltage range of the AD5173BRMZ2.5-RL7?
The operating voltage range is from 2.7 V to 5.5 V.
- What is the operating temperature range of the AD5173BRMZ2.5-RL7?
The operating temperature range is from -40°C to 125°C.
- What interface does the AD5173BRMZ2.5-RL7 use?
The device uses an I2C interface.
- Does the AD5173BRMZ2.5-RL7 have non-volatile memory?
Yes, it has one-time programmable (OTP) non-volatile memory.
- What is the typical settling time of the AD5173BRMZ2.5-RL7 on power-up?
The typical settling time is 5 µs.
- What are some common applications of the AD5173BRMZ2.5-RL7?
Common applications include systems calibration, electronics level setting, mechanical trimmers replacement, and transducer adjustments.
- Is the AD5173BRMZ2.5-RL7 still in active production?
No, the AD5173BRMZ2.5-RL7 is an obsolete product and is no longer in active production. However, Analog Devices offers alternative models with similar features.
