Overview
The AD7376ARUZ50, produced by Analog Devices Inc., is a high-performance digital potentiometer that offers 128 positions and is part of the iCMOS® series. This device is designed to operate in high-voltage environments and can be used as a programmable resistor or resistor divider. It replaces traditional mechanical potentiometers, variable resistors, and trimmers with enhanced resolution, solid-state reliability, and programmability. The AD7376 provides layout flexibility and allows for closed-loop dynamic controllability through its digital interface.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Positions | 128 | - |
| Resistance Options | 10 kΩ, 50 kΩ, 100 kΩ | Ω |
| Single-Supply Voltage Range | 4.5 V to 33 V | V |
| Dual-Supply Voltage Range | ±4.5 V to ±16.5 V | V |
| Operating Temperature Range | −40°C to +85°C | °C |
| Interface | 3-wire SPI-compatible serial interface | - |
| Total Harmonic Distortion (THD) | 0.006% typical | % |
| Power Shutdown Current | μA | |
| Package Options | 14-lead TSSOP, 16-lead wide body SOIC | - |
Key Features
- 128 programmable positions with high resolution.
- High-voltage operation: 20 V to 30 V single-supply and ±10 V to ±15 V dual-supply.
- 3-wire SPI-compatible serial interface for easy control.
- Low total harmonic distortion (THD) of 0.006% typical.
- Programmable preset and power shutdown with less than 1 μA current.
- iCMOS™ process technology for enhanced performance.
- Sleep-mode programmability in shutdown, eliminating the need for EEPROM.
- Available in 14-lead TSSOP and 16-lead wide body SOIC packages.
Applications
- High voltage DACs.
- Programmable power supplies.
- Programmable gain and offset adjustment.
- Programmable filters and delays.
- Actuator control.
- Audio volume control.
- Mechanical potentiometer replacement.
Q & A
- What is the AD7376ARUZ50 used for?
The AD7376ARUZ50 is used as a programmable resistor or resistor divider, replacing traditional mechanical potentiometers, variable resistors, and trimmers.
- What are the resistance options for the AD7376ARUZ50?
The AD7376ARUZ50 is available in 10 kΩ, 50 kΩ, and 100 kΩ resistance options.
- What is the operating voltage range for the AD7376ARUZ50?
The device operates from 4.5 V to 33 V in single-supply mode and ±4.5 V to ±16.5 V in dual-supply mode.
- What interface does the AD7376ARUZ50 use?
The AD7376ARUZ50 uses a 3-wire SPI-compatible serial interface.
- What is the typical total harmonic distortion (THD) of the AD7376ARUZ50?
The typical THD is 0.006%.
- How much current does the AD7376ARUZ50 consume in power shutdown mode?
The device consumes less than 1 μA in power shutdown mode.
- In what packages is the AD7376ARUZ50 available?
The device is available in 14-lead TSSOP and 16-lead wide body SOIC packages.
- What is the operating temperature range of the AD7376ARUZ50?
The device operates over the −40°C to +85°C extended industrial temperature range.
- What are some common applications of the AD7376ARUZ50?
Common applications include high voltage DACs, programmable power supplies, programmable gain and offset adjustment, programmable filters and delays, actuator control, audio volume control, and mechanical potentiometer replacement.
- Does the AD7376ARUZ50 support sleep-mode programmability?
Yes, the AD7376ARUZ50 supports sleep-mode programmability in shutdown, which can be used to program the preset before device activation.
