Overview
The AD5228BUJZ10-RL7 is a 32-position digital potentiometer produced by Analog Devices Inc. This component emulates the operation of a mechanical potentiometer and is designed for applications requiring precise and programmable resistance adjustments. It features a simple up/down control interface, making it suitable for a variety of electronic systems.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Resistor Differential Nonlinearity | R-DNL | RWB, A terminal = no connect | -0.5 | ±0.05 | +0.5 | LSB |
| Resistor Integral Nonlinearity | R-INL | RWB, A terminal = no connect | -0.5 | ±0.1 | +0.5 | LSB |
| Nominal Resistor Tolerance | ∆RAB/RAB | -20 | +20 | % | ||
| Resistance Temperature Coefficient | (∆RAB/RAB) × 10^4/∆T | 35 | ppm/°C | |||
| Power Supply Range | VDD | PU = PD = VDD | 2.7 | 5.5 | V | |
| Supply Standby Current | IDD_STBY | 0.4 | 3 | μA | ||
| Supply Active Current | IDD_ACT | VDD = 5 V, PU or PD = 0 V | 50 | 110 | μA | |
| Power Dissipation | PDISS | VDD = 5 V | 17 | μW | ||
| Input High Voltage | VIH | VDD = 5 V | 2.4 | 5.5 | V | |
| Input Low Voltage | VIL | VDD = 5 V | 0 | 0.8 | V |
Key Features
- 32-Position Digital Potentiometer: Offers 32 discrete resistance settings, allowing for precise control over the resistance value.
- Up/Down Control Interface: Simple and intuitive interface for adjusting the resistance settings.
- Low Power Consumption: Active current as low as 50 μA and standby current as low as 0.4 μA, making it suitable for battery-powered devices.
- Wide Operating Temperature Range: Operates from -40°C to +105°C, ensuring reliability in various environmental conditions.
- Debounce and Settling Time: Built-in debouncer and settling time ensure stable and accurate adjustments.
- Autoscan Mode: Allows for continuous adjustment of the resistance by holding the PU pin low for more than 1 second.
Applications
- Audio and Video Systems: Used for volume control, tone adjustment, and other audio/video settings.
- Industrial Control Systems: Suitable for applications requiring precise resistance adjustments in industrial environments.
- Medical Devices: Can be used in medical equipment where precise control over resistance is necessary.
- Automotive Systems: Applicable in automotive electronics for various control functions.
- Consumer Electronics: Used in a variety of consumer electronic devices such as TVs, radios, and other appliances.
Q & A
- What is the AD5228BUJZ10-RL7 used for? The AD5228BUJZ10-RL7 is a 32-position digital potentiometer used for precise resistance adjustments in various electronic systems.
- What is the operating voltage range of the AD5228BUJZ10-RL7? The operating voltage range is from 2.7 V to 5.5 V.
- What is the typical active current consumption of the AD5228BUJZ10-RL7? The typical active current consumption is 50 μA.
- What is the resistance temperature coefficient of the AD5228BUJZ10-RL7? The resistance temperature coefficient is 35 ppm/°C.
- Does the AD5228BUJZ10-RL7 have a built-in debouncer? Yes, it has a built-in debouncer to ensure stable and accurate adjustments.
- What is the autoscan mode in the AD5228BUJZ10-RL7? Autoscan mode allows for continuous adjustment of the resistance by holding the PU pin low for more than 1 second.
- What is the package type of the AD5228BUJZ10-RL7? The package type is TSOT-23-8.
- What are the typical applications of the AD5228BUJZ10-RL7? Typical applications include audio and video systems, industrial control systems, medical devices, automotive systems, and consumer electronics.
- What is the operating temperature range of the AD5228BUJZ10-RL7? The operating temperature range is from -40°C to +105°C.
- How many discrete resistance settings does the AD5228BUJZ10-RL7 offer? It offers 32 discrete resistance settings.
