Overview
The AD7376ARUZ100, produced by Analog Devices Inc., is a high-voltage, high-performance 128-position digital potentiometer. This device is designed to operate as a programmable resistor or resistor divider, offering enhanced resolution, solid-state reliability, and programmability compared to mechanical potentiometers, variable resistors, and trimmers. It features digital control, providing layout flexibility and closed-loop dynamic controllability. The AD7376 is available in 14-lead TSSOP and 16-lead wide body SOIC packages and is guaranteed to operate over the extended industrial temperature range of −40°C to +85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Positions | 128 | - |
| Resistance Options | 10 kΩ, 50 kΩ, 100 kΩ | - |
| Single-Supply Voltage Range | 20 V to 30 V | V |
| Dual-Supply Voltage Range | ±10 V to ±15 V | V |
| Serial Interface | 3-wire SPI-compatible | - |
| Total Harmonic Distortion (THD) | 0.006% typical | % |
| Power Shutdown Current | < 1 μA | μA |
| Operating Temperature Range | −40°C to +85°C | °C |
| Package Options | 14-lead TSSOP, 16-lead wide body SOIC | - |
Key Features
- 128-position digital potentiometer with high resolution and solid-state reliability.
- Operates in single-supply (20 V to 30 V) and dual-supply (±10 V to ±15 V) modes.
- 3-wire SPI-compatible serial interface for easy programming.
- 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 costly EEPROM solutions.
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 AD7376ARUZ100 used for?
The AD7376ARUZ100 is used as a programmable resistor or resistor divider, replacing mechanical potentiometers, variable resistors, and trimmers with enhanced resolution and reliability.
- What are the resistance options available for the AD7376ARUZ100?
The AD7376ARUZ100 is available in 10 kΩ, 50 kΩ, and 100 kΩ resistance options.
- What is the operating voltage range for the AD7376ARUZ100?
The device operates in single-supply mode from 20 V to 30 V and in dual-supply mode from ±10 V to ±15 V.
- What type of serial interface does the AD7376ARUZ100 use?
The AD7376ARUZ100 uses a 3-wire SPI-compatible serial interface.
- What is the typical total harmonic distortion (THD) of the AD7376ARUZ100?
The typical THD is 0.006%.
- How much current does the AD7376ARUZ100 consume in power shutdown mode?
The power shutdown current is less than 1 μA.
- What is the operating temperature range for the AD7376ARUZ100?
The device operates over the extended industrial temperature range of −40°C to +85°C.
- In what packages is the AD7376ARUZ100 available?
The device is available in 14-lead TSSOP and 16-lead wide body SOIC packages.
- What are some common applications of the AD7376ARUZ100?
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 AD7376ARUZ100 support sleep-mode programmability?
Yes, the AD7376ARUZ100 supports sleep-mode programmability in shutdown, which can be used to program the preset before device activation.
