LTC1821-1ACGW#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: The LTC1821-1ACGW#PBF is a high-performance analog-to-digital converter (ADC) designed for precision measurement applications. It provides accurate conversion of analog signals into digital data, making it suitable for various industrial and scientific applications.

Characteristics: - High-resolution: The LTC1821-1ACGW#PBF offers a resolution of up to 16 bits, ensuring precise measurement and data acquisition. - Low power consumption: This ADC operates at low power levels, making it suitable for battery-powered devices and energy-efficient systems. - Fast conversion rate: With a maximum sampling rate of 1 Mega-Samples per second (MSPS), the LTC1821-1ACGW#PBF enables real-time data acquisition in time-critical applications. - Wide input voltage range: It supports a wide input voltage range, allowing for versatile signal measurement across different voltage levels. - Small package size: The LTC1821-1ACGW#PBF comes in a compact package, making it suitable for space-constrained designs.

Package: The LTC1821-1ACGW#PBF is available in a small form factor package, such as a 20-pin SSOP (Shrink Small Outline Package). This package ensures easy integration into various circuit board layouts.

Essence: The essence of the LTC1821-1ACGW#PBF lies in its ability to accurately convert analog signals into digital data with high resolution and fast conversion rates. This makes it an essential component for precise measurement and data acquisition systems.

Packaging/Quantity: The LTC1821-1ACGW#PBF is typically sold in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier and customer requirements.

Specifications

• Resolution: Up to 16 bits
• Sampling Rate: Up to 1 MSPS
• Input Voltage Range: ±10V
• Power Supply: +5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 20-pin SSOP

Detailed Pin Configuration

The LTC1821-1ACGW#PBF features a 20-pin SSOP package with the following pin configuration:

1. VREF-
2. VREF+
3. AGND
4. VIN-
5. VIN+
6. REFOUT
7. SDO
8. SDI
9. SCK
10. CS
11. DGND
12. D15
13. D14
14. D13
15. D12
16. D11
17. D10
18. D9
19. D8
20. DVDD

Functional Features

• High-resolution ADC: The LTC1821-1ACGW#PBF offers up to 16-bit resolution, ensuring accurate conversion of analog signals into digital data.
• Fast conversion rate: With a maximum sampling rate of 1 MSPS, it enables real-time data acquisition in time-critical applications.
• Low power consumption: This ADC operates at low power levels, making it suitable for battery-powered devices and energy-efficient systems.
• Wide input voltage range: It supports a wide input voltage range, allowing for versatile signal measurement across different voltage levels.
• Serial interface: The LTC1821-1ACGW#PBF utilizes a serial interface (SDI, SDO, SCK) for easy integration with microcontrollers or other digital systems.
• Internal reference: It includes an internal reference (VREF+) for simplified system design and improved accuracy.

Advantages and Disadvantages

Advantages: - High-resolution conversion for precise measurements - Fast sampling rate for real-time data acquisition - Low power consumption for energy-efficient applications - Wide input voltage range for versatile signal measurement - Compact package size for space-constrained designs

Disadvantages: - Limited to single-ended input configuration - Requires an external reference voltage for optimal performance

Working Principles

The LTC1821-1ACGW#PBF operates based on the successive approximation register (SAR) architecture. It converts analog signals into digital data by comparing the input voltage with a reference voltage and iteratively determining the most significant bits (MSBs) until the desired resolution is achieved.

The ADC utilizes an internal clock and control circuitry to perform the conversion process. The input voltage is sampled, quantized, and converted into a digital representation using a binary encoding scheme. The resulting digital data can then be processed or stored for further analysis.

Detailed Application Field Plans

The LTC1821-1ACGW#PBF finds applications in various fields that require accurate analog-to-digital conversion, including:

1. Industrial Automation: Used for precise measurement and control in industrial