AD5273BRJZ100-R7

Product Overview

• Category: Digital Potentiometer
• Use: Electronic circuit adjustment and calibration
• Characteristics: Programmable, digital control, non-volatile memory
• Package: 10-Lead MSOP
• Essence: Replaces mechanical potentiometers with a digital equivalent
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resolution: 1024 steps
• Resistance Range: 0 to 100 kΩ
• Temperature Range: -40°C to +125°C
• Supply Voltage: 2.7V to 5.5V
• Interface: I2C-compatible
• Non-Volatile Memory: Stores wiper position during power-off

Pin Configuration

The AD5273BRJZ100-R7 has the following pin configuration:

1. VDD: Power supply voltage
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. GND: Ground connection
5. WP: Write protect pin
6. A1: Address bit 1
7. A0: Address bit 0
8. VSS: Negative supply voltage
9. RH: Terminal A of the resistor element
10. RL: Terminal B of the resistor element

Functional Features

• Digital Control: Allows precise adjustment of resistance value through digital commands.
• Non-Volatile Memory: Retains the wiper position even when power is turned off.
• Programmable: Can be programmed to specific resistance values using I2C interface.
• Low Power Consumption: Operates with low power consumption, suitable for battery-powered devices.
• High Reliability: Eliminates mechanical wear and provides long-term stability.

Advantages and Disadvantages

Advantages: - Precise and accurate resistance adjustment - Non-volatile memory ensures settings are retained - Programmable for specific resistance values - Compact package size - Low power consumption

Disadvantages: - Limited resolution compared to analog potentiometers - Requires I2C interface for control

Working Principles

The AD5273BRJZ100-R7 is a digital potentiometer that replaces traditional mechanical potentiometers in electronic circuits. It consists of a resistor network and a wiper that can be digitally controlled. The resistance value between the RH and RL terminals can be adjusted by sending commands through the I2C interface.

The non-volatile memory feature allows the AD5273BRJZ100-R7 to retain its wiper position even when power is turned off. This ensures that the desired resistance setting is maintained upon power-up.

Detailed Application Field Plans

The AD5273BRJZ100-R7 finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment in audio amplifiers and mixers.
2. Industrial Automation: Provides precise resistance adjustment in industrial control systems.
3. Test and Measurement Instruments: Enables calibration and fine-tuning of measurement equipment.
4. Medical Devices: Used for control and calibration in medical equipment such as patient monitors.
5. Automotive Electronics: Allows adjustment of parameters in automotive control systems.

Detailed and Complete Alternative Models

1. AD8400ARZ10: 256-Position Digital Potentiometer, 10 kΩ Resistance Range.
2. MCP4018T-103E/LT: Single Digital Potentiometer, 10 kΩ Resistance Range.
3. MAX5486EUD+: Dual, 256-Tap, Nonvolatile, SPI Interface, Linear Taper Digital Potentiometer.

These alternative models offer similar functionality and can be considered as alternatives to the AD5273BRJZ100-R7.

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