ADS7869IPZT

Product Overview

Category: Integrated Circuit (IC)

Use: Analog-to-Digital Converter (ADC)

Characteristics: - High-resolution ADC - Low power consumption - Small form factor - Wide input voltage range - High-speed conversion

Package: TQFP (Thin Quad Flat Package)

Essence: The ADS7869IPZT is a high-performance, low-power ADC designed for various applications that require accurate analog-to-digital conversion.

Packaging/Quantity: The ADS7869IPZT is available in a TQFP package and is typically sold in reels of 2500 units.

Specifications

• Resolution: 16 bits
• Input Voltage Range: ±10V
• Conversion Rate: Up to 1 MSPS (Mega Samples Per Second)
• Power Supply: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ADS7869IPZT has a total of 48 pins arranged as follows:

Pin Number | Pin Name | Description -----------|----------|------------- 1 | VREFP | Positive Reference Voltage Input 2 | VREFN | Negative Reference Voltage Input 3 | AGND | Analog Ground 4 | VIN(+) | Positive Analog Input 5 | VIN(-) | Negative Analog Input 6-13 | DGND | Digital Ground 14 | DVDD | Digital Power Supply 15-22 | D[0:7] | Data Output Pins 23 | CS | Chip Select Input 24 | SCLK | Serial Clock Input 25 | SDI | Serial Data Input 26 | SDO | Serial Data Output 27 | EOC | End of Conversion Output 28-48 | NC | No Connect Pins

Functional Features

• High-resolution conversion: The ADS7869IPZT offers 16-bit resolution, allowing for precise analog-to-digital conversion.
• Low power consumption: This ADC is designed to operate with minimal power consumption, making it suitable for battery-powered applications.
• Wide input voltage range: With a ±10V input voltage range, the ADS7869IPZT can handle a wide variety of analog signals.
• High-speed conversion: The ADC can perform conversions at a rate of up to 1 MSPS, enabling real-time data acquisition.

Advantages and Disadvantages

Advantages: - High resolution for accurate conversion - Low power consumption for energy-efficient operation - Wide input voltage range for versatile applications - High-speed conversion for real-time data acquisition

Disadvantages: - Limited pin count may restrict the number of input channels - Requires an external reference voltage source

Working Principles

The ADS7869IPZT utilizes successive approximation register (SAR) architecture to convert analog signals into digital data. It employs a sample-and-hold circuit to capture the input voltage, which is then processed by an internal SAR logic to determine the digital representation.

Detailed Application Field Plans

The ADS7869IPZT is widely used in various applications, including but not limited to: - Industrial automation - Data acquisition systems - Medical equipment - Test and measurement instruments - Audio processing

Alternative Models

Here are some alternative models that offer similar functionality to the ADS7869IPZT: - ADS8860: 18-bit resolution, SPI interface - ADS124S08: 24-bit resolution, low noise performance - ADS1015: 12-bit resolution, I2C interface

These alternative models can be considered based on specific application requirements and desired features.

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