Overview
The AD8400ARZ1-REEL, manufactured by Analog Devices Inc., is a single-channel, 256-position digitally controlled variable resistor (VR) device. This digital potentiometer simulates the behavior of traditional analog potentiometers or variable resistors in integrated circuits, offering advantages such as higher accuracy, longer lifespan, and stronger anti-interference ability compared to mechanical potentiometers. It operates within a supply voltage range of 2.7 V to 5.5 V and is suitable for various applications including audio equipment, consumer electronics, motor control, and power management.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD8400ARZ1-REEL |
| Package | 8-Lead SOIC |
| Number of Positions | 256 |
| Resistance | 1 kΩ |
| Min Operating Temperature | -40 °C |
| Max Operating Temperature | 125 °C |
| Min Supply Voltage | 2.7 V |
| Max Supply Voltage | 5.5 V |
| Interface | SPI (3-Wire) |
| Memory Type | Volatile |
| Temperature Coefficient | 25 ppm/°C |
| Tolerance | ±1% |
| Quiescent Current | 10 nA |
| Max Supply Current | 900 µA |
Key Features
- Single-channel, 256-position digitally controlled variable resistor.
- Operates with a single supply voltage from 2.7 V to 5.5 V.
- SPI-compatible 3-wire serial interface.
- Volatile memory; resistance value is lost when power is turned off.
- Low quiescent current of 10 nA.
- High accuracy and channel-to-channel matching tolerance of ±1%.
- Compact 8-Lead SOIC package.
Applications
- Audio Equipment: Used for electronic volume control and tone adjustments in audio systems, including amplifiers and equalizers.
- Consumer Electronics: Employed in various household appliances such as televisions, speakers, air conditioners, and refrigerators to adjust parameters like volume, brightness, and temperature.
- Motor Control: Used in motor control circuits to adjust speed, torque, and other control parameters.
- Power Management: Utilized in power management applications such as power adapters and chargers to adjust output voltage and current.
Q & A
- What is the AD8400ARZ1-REEL used for? The AD8400ARZ1-REEL is a digitally controlled variable resistor used to simulate the behavior of traditional analog potentiometers in various electronic applications.
- What is the operating temperature range of the AD8400ARZ1-REEL? The operating temperature range is from -40 °C to 125 °C.
- What is the supply voltage range for the AD8400ARZ1-REEL? The supply voltage range is from 2.7 V to 5.5 V.
- What type of interface does the AD8400ARZ1-REEL use? It uses an SPI-compatible 3-wire serial interface.
- What is the memory type of the AD8400ARZ1-REEL? The memory type is volatile, meaning the resistance value is lost when power is turned off.
- What is the quiescent current of the AD8400ARZ1-REEL? The quiescent current is 10 nA.
- What is the tolerance of the AD8400ARZ1-REEL? The tolerance is ±1%.
- What are some common applications of the AD8400ARZ1-REEL? Common applications include audio equipment, consumer electronics, motor control, and power management.
- What package type does the AD8400ARZ1-REEL come in? It comes in an 8-Lead SOIC package.
- Is the AD8400ARZ1-REEL RoHS compliant? Yes, the AD8400ARZ1-REEL is RoHS compliant and lead-free.
