Overview
The AD7854LARS is a 12-bit, single-supply, successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for high-performance applications requiring precise analog-to-digital conversion. The AD7854LARS operates within a voltage range of 3V to 5.5V, making it versatile for various system designs. Although the AD7854LARS is currently obsolete and no longer manufactured, it remains relevant for legacy systems and can be substituted with the AD7854LARSZ model.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7854LARS |
| Package | 28-SSOP (0.209, 5.30mm Width) |
| Number of Bits | 12 |
| Sampling Rate | 200 ksps |
| Polarity | Bipolar, Unipolar |
| Integral Nonlinearity (INL) | 1 LSB |
| Min Supply Voltage | 3 V |
| Supply Voltage | 3.6 V |
| Number of Inputs | 1 |
| Number of Pins | 28 |
Key Features
- High Resolution: 12-bit resolution for precise analog-to-digital conversion.
- Single Supply Operation: Operates from a single supply voltage ranging from 3V to 5.5V.
- High Sampling Rate: Sampling rate of up to 200 ksps.
- Low Power Consumption: Designed for low power applications.
- Compact Package: Available in a 28-SSOP package, making it suitable for space-constrained designs.
- Bipolar and Unipolar Input Capability: Supports both bipolar and unipolar input signals.
Applications
- Data Acquisition Systems: Ideal for data acquisition systems requiring high accuracy and speed.
- Industrial Control Systems: Used in industrial control systems for precise measurement and control.
- Medical Devices: Suitable for medical devices that require accurate analog-to-digital conversion.
- Aerospace and Defense: Applied in aerospace and defense systems where high reliability and precision are critical.
Q & A
- What is the resolution of the AD7854LARS ADC?
The AD7854LARS has a 12-bit resolution.
- What is the sampling rate of the AD7854LARS?
The sampling rate is up to 200 ksps.
- What is the supply voltage range for the AD7854LARS?
The supply voltage range is from 3V to 5.5V.
- Is the AD7854LARS still in production?
No, the AD7854LARS is obsolete and no longer manufactured. However, it can be substituted with the AD7854LARSZ model.
- What package type is the AD7854LARS available in?
The AD7854LARS is available in a 28-SSOP package.
- Does the AD7854LARS support bipolar and unipolar inputs?
- What is the integral nonlinearity (INL) of the AD7854LARS?
The INL is 1 LSB.
- What are some common applications of the AD7854LARS?
Common applications include data acquisition systems, industrial control systems, medical devices, and aerospace and defense systems.
- Where can I find the datasheet for the AD7854LARS?
The datasheet can be found on the official Analog Devices website or through distributors like Digi-Key and Utmel Electronic.
- What are the key features of the AD7854LARS?
Key features include high resolution, single supply operation, high sampling rate, low power consumption, and compact packaging.
