AD7821KRZ

Product Overview

Category

AD7821KRZ belongs to the category of Analog-to-Digital Converters (ADCs).

Use

The AD7821KRZ is used to convert analog signals into digital data for processing in various applications.

Characteristics

• High-resolution ADC with 8-bit resolution
• Single-channel input
• Fast conversion time
• Low power consumption
• Wide operating voltage range

Package

AD7821KRZ is available in a small form factor package, typically a 20-pin SSOP (Shrink Small Outline Package).

Essence

The essence of AD7821KRZ lies in its ability to accurately and efficiently convert analog signals into digital format, enabling further processing and analysis.

Packaging/Quantity

AD7821KRZ is usually sold in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Resolution: 8 bits
• Input Channels: 1
• Conversion Time:
• Operating Voltage Range:
• Power Consumption:

Detailed Pin Configuration

The AD7821KRZ has a total of 20 pins. Here is the detailed pin configuration:

1. VDD - Power supply voltage
2. VREF - Reference voltage input
3. AGND - Analog ground
4. VIN - Analog input voltage
5. D7 - Digital output bit 7
6. D6 - Digital output bit 6
7. D5 - Digital output bit 5
8. D4 - Digital output bit 4
9. D3 - Digital output bit 3
10. D2 - Digital output bit 2
11. D1 - Digital output bit 1
12. D0 - Digital output bit 0
13. CS - Chip select input
14. RD - Read control input
15. WR - Write control input
16. ALE - Address latch enable input
17. CLK - Clock input
18. REFOUT - Reference voltage output
19. DGND - Digital ground
20. VSS - Negative power supply voltage

Functional Features

• High-resolution conversion
• Single-channel input for precise measurements
• Fast conversion time for real-time applications
• Low power consumption for energy efficiency
• Wide operating voltage range for flexibility in different systems

Advantages and Disadvantages

Advantages

• Accurate and reliable analog-to-digital conversion
• Compact package size for space-constrained designs
• Low power consumption extends battery life in portable devices
• Wide operating voltage range allows compatibility with various systems

Disadvantages

• Limited resolution compared to higher-bit ADCs
• Single-channel input restricts simultaneous measurement of multiple signals

Working Principles

The AD7821KRZ operates on the principle of successive approximation. It samples the analog input voltage, compares it to a reference voltage, and generates an 8-bit digital representation of the input signal.

Detailed Application Field Plans

AD7821KRZ finds applications in various fields, including but not limited to: - Industrial automation - Data acquisition systems - Instrumentation - Medical equipment - Consumer electronics

Detailed and Complete Alternative Models

Here are some alternative models that can be considered as alternatives to AD7821KRZ: - AD7820KRZ: Similar specifications with 8-bit resolution - AD7822KRZ: Higher resolution with 10-bit ADC - AD7823KRZ: Lower resolution with 6-bit ADC

These alternative models offer different resolutions and features to suit specific application requirements.

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