AD790AQ
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Analog Devices Inc. AD790AQ

Manufacturer No:
AD790AQ
Manufacturer:
Analog Devices Inc.
Package:
Bulk
Description:
IC PREC COMPARATOR HS 8-CDIP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD790AQ, produced by Analog Devices Inc., is a fast and precise voltage comparator designed for versatility and ease of use. This device is fabricated using Analog Devices' Complementary Bipolar (CB) process, which provides a combination of fast response time and outstanding input voltage resolution. The AD790AQ can operate from either a single +5 V supply or a dual ±15 V supply, making it adaptable to various application requirements. It features a 'low glitch' output stage that minimizes power supply disturbances and unwanted oscillations, enhancing its reliability and performance in analog signal processing and data acquisition.

Key Specifications

Parameter Value Unit
Response Time 45 ns
Input Voltage Resolution 1 mV (max)
Supply Voltage Range Single: 4.5 V to 7 V, Dual: ±5 V, ±12 V, ±15 V V
Temperature Range Commercial: 0°C to 70°C, Industrial: -40°C to +85°C, Military: -55°C to +125°C °C
Output Type CMOS and TTL compatible
Package Type 8-Lead CerDIP, 8-Lead PDIP, 8-Lead SOIC

Key Features

  • Fast Response Time: The AD790AQ has a response time of 45 ns, making it suitable for high-speed applications.
  • Precision Input Voltage Resolution: It offers a maximum input voltage resolution of 1 mV, ensuring high accuracy in signal comparison.
  • Flexible Supply Voltage: The device can operate from a single +5 V supply or various dual supply configurations, including ±15 V.
  • Low Glitch Output Stage: The 'low glitch' output stage minimizes large current spikes and power supply disturbances, reducing the risk of unwanted oscillations.
  • Latching Function: The AD790AQ includes a latching function, allowing it to retain input information at the output, which is useful for synchronous operation.
  • Built-in Hysteresis: The device features built-in hysteresis, which helps in responding to both slow, low-level signals and fast, large amplitude signals.

Applications

The AD790AQ is suitable for a wide range of applications, including:

  • Analog Signal Processing: Its precision and speed make it ideal for comparing analog signals in various processing applications.
  • Data Acquisition: The device is used in data acquisition systems where accurate and fast signal comparison is necessary.
  • Industrial Automation: It can be used in industrial automation systems that require reliable and precise signal comparison.
  • Military and Aerospace: The military-grade version (AD790S) is suitable for applications requiring operation over a wide temperature range.

Q & A

  1. What is the response time of the AD790AQ?

    The response time of the AD790AQ is 45 ns.

  2. What are the possible supply voltage configurations for the AD790AQ?

    The AD790AQ can operate from a single +5 V supply or various dual supply configurations, including ±5 V, ±12 V, and ±15 V.

  3. What is the input voltage resolution of the AD790AQ?

    The input voltage resolution of the AD790AQ is 1 mV (max).

  4. Does the AD790AQ have a latching function?
  5. What types of output are supported by the AD790AQ?

    The AD790AQ supports both CMOS and TTL compatible outputs.

  6. What are the temperature ranges for the different grades of the AD790?

    The AD790 is available in commercial (0°C to 70°C), industrial (-40°C to +85°C), and military (-55°C to +125°C) temperature ranges.

  7. How does the 'low glitch' output stage benefit the AD790AQ?

    The 'low glitch' output stage minimizes large current spikes and power supply disturbances, reducing the risk of unwanted oscillations.

  8. What is the significance of built-in hysteresis in the AD790AQ?

    The built-in hysteresis enables the AD790AQ to respond to both slow, low-level signals and fast, large amplitude signals.

  9. What are some common applications of the AD790AQ?

    The AD790AQ is commonly used in analog signal processing, data acquisition, industrial automation, and military/aerospace applications.

  10. What types of packages are available for the AD790AQ?

    The AD790AQ is available in 8-Lead CerDIP, 8-Lead PDIP, and 8-Lead SOIC packages.

Product Attributes

Type:with Latch
Number of Elements:1
Output Type:CMOS, TTL
Voltage - Supply, Single/Dual (±):4.5V ~ 7V, ±2.25V ~ 16.5V
Voltage - Input Offset (Max):1.5mV @ 5V
Current - Input Bias (Max):5µA @ 5V
Current - Output (Typ):- 
Current - Quiescent (Max):10mA
CMRR, PSRR (Typ):95dB CMRR, 90dB PSRR
Propagation Delay (Max):50ns
Hysteresis:500µV
Operating Temperature:-40°C ~ 85°C
Package / Case:8-CDIP (0.300", 7.62mm)
Mounting Type:Through Hole
Supplier Device Package:8-CERDIP
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Similar Products

Part Number AD790AQ AD790SQ
Manufacturer Analog Devices Inc. Analog Devices Inc.
Product Status Active Active
Type with Latch with Latch
Number of Elements 1 1
Output Type CMOS, TTL CMOS, TTL
Voltage - Supply, Single/Dual (±) 4.5V ~ 7V, ±2.25V ~ 16.5V 4.5V ~ 7V, ±2.25V ~ 16.5V
Voltage - Input Offset (Max) 1.5mV @ 5V 1.5mV @ 5V
Current - Input Bias (Max) 5µA @ 5V 5µA @ 5V
Current - Output (Typ) - -
Current - Quiescent (Max) 10mA 10mA
CMRR, PSRR (Typ) 95dB CMRR, 90dB PSRR 95dB CMRR, 90dB PSRR
Propagation Delay (Max) 50ns 50ns
Hysteresis 500µV 500µV
Operating Temperature -40°C ~ 85°C -55°C ~ 125°C
Package / Case 8-CDIP (0.300", 7.62mm) 8-CDIP (0.300", 7.62mm)
Mounting Type Through Hole Through Hole
Supplier Device Package 8-CERDIP 8-CERDIP

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