ADI AD7820KNZ

81单端5V5V-40°C ~ 85°C

Overview

The AD7820KNZ is a high speed, microprocessor-compatible 8-bit analog-to-digital converter which uses a half-flash conversiontechnique to achieve a conversion time of 1.36us. The converter has a 0V to +5V analog input voltage range with a single +5V supply. The half-flash technique consists of 31 comparators,a most significant 4-bit ADC and a least significant 4-bit ADC. The input to the AD7820KNZ is tracked and held by the input sampling circuitry, eliminating the need for an external sample-and-hold for signals with slew rates less than 100mV/us. The part is designed for ease of microprocessor interface with the AD7820KNZ appearing as a memory location or I/O port without the need for external interfacing logic. All digital outputs use latched, three-state output buffer circuitry to allow direct con-nection to a microprocessor data bus or system input port.A non-three state overflow output is also provided to allow cascading of devices to give higher resolution. The AD7820KNZ is fabricated in an advanced, all ion-implanted, high specd, Linear Compatible CMOS(LC' MOS) process and features a low maximum power dissipation of 75mW. It is available in 20-pin DIPs, SOICs and in 20-terminal surface mount packages.

 Skinny 20-Pin DIP, SOIC and 20-Terminal 

Features

Tube Package
1 Functions
20 basic kinds of terminations
20 pin count
Minimal supply voltage of 4.75V
5V power supplies

Through Hole Mounting Type

Applications

There are a lot of Analog Devices Inc.
AD7820KNZ ADC applications.

• Digital signal processing
• Scientific instruments
• Rotary encoder
• Displaying
• Transducer
• Microcontrollers.
• Digital Storage Oscilloscope
• Scientific instruments.
• Music reproduction technology
• Communication Systems