ADS7850IRTET

Product Overview

• Category: Analog-to-Digital Converter (ADC)
• Use: Converts analog signals into digital data for processing and analysis
• Characteristics: High-resolution, low-power consumption, small form factor
• Package: Integrated Circuit (IC)
• Essence: Provides accurate and reliable conversion of analog signals to digital format
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Resolution: 12-bit
• Sampling Rate: Up to 200 kilosamples per second (ksps)
• Input Voltage Range: 0 to Vref
• Power Supply: 2.7V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)

Pin Configuration

The ADS7850IRTET has a total of 16 pins arranged as follows:

1. VDD: Power supply voltage
2. GND: Ground reference
3. DIN: Serial data input
4. DOUT: Serial data output
5. SCLK: Serial clock input
6. CS: Chip select input
7. REF: Reference voltage input
8. AGND: Analog ground reference
9. VREF: Reference voltage output
10. AIN0: Analog input channel 0
11. AIN1: Analog input channel 1
12. AIN2: Analog input channel 2
13. AIN3: Analog input channel 3
14. AIN4: Analog input channel 4
15. AIN5: Analog input channel 5
16. AIN6: Analog input channel 6

Functional Features

• High-resolution conversion with 12-bit accuracy
• Low-power consumption for energy-efficient operation
• Fast sampling rate enables real-time data acquisition
• SPI interface allows easy integration with microcontrollers and other digital systems
• Wide input voltage range accommodates various signal levels
• Internal reference voltage ensures accurate conversion

Advantages and Disadvantages

Advantages

• High-resolution output for precise measurements
• Low power consumption extends battery life in portable applications
• Small form factor saves space on PCB designs
• Versatile input voltage range supports a wide range of applications
• Easy integration with microcontrollers simplifies system design

Disadvantages

• Limited number of analog input channels (6 in total)
• Requires external reference voltage for optimal performance

Working Principles

The ADS7850IRTET operates based on the successive approximation technique. It samples the analog input voltage and converts it into a digital value using an internal ADC core. The converted digital data is then transmitted through the SPI interface for further processing or analysis.

Detailed Application Field Plans

The ADS7850IRTET is suitable for various applications that require analog-to-digital conversion, such as:

1. Industrial automation: Monitoring and control systems
2. Data acquisition: Sensor networks and measurement devices
3. Medical equipment: Patient monitoring and diagnostics
4. Audio processing: Digital audio recording and playback
5. Instrumentation: Test and measurement equipment

Detailed and Complete Alternative Models

1. ADS7865IRTET: 12-bit ADC with additional analog input channels
2. ADS7870IRTET: 14-bit ADC with higher resolution
3. ADS7880IRTET: 16-bit ADC with even higher resolution

These alternative models offer different specifications and features to cater to specific application requirements.

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