AD7237JN
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Analog Devices Inc. AD7237JN

Manufacturer No:
AD7237JN
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC DAC 12BIT LC2MOS DUAL 24-DIP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD7237JN, produced by Analog Devices Inc., is an enhanced version of the industry-standard AD7237 dual 12-bit digital-to-analog converter (DAC). This component is part of the DACPORT® family and is designed to offer high performance and reliability in a compact package. The AD7237JN features a complete, dual 12-bit voltage output DAC with output amplifiers and a Zener voltage reference on a single monolithic CMOS chip. This design eliminates the need for external user trims to achieve full specified performance, making it a robust solution for various applications.

Key Specifications

SpecificationValue
Resolution12-bit
Output Range (Single Supply)0 V to +5 V, 0 V to +10 V
Output Range (Dual Supply)±5 V, 0 V to +5 V, 0 V to +10 V
Power Supply Range12 V to 15 V
Package Types24-pin DIP, 24-lead SOIC
Interface CompatibilityMicroprocessor compatible with 8-bit or 16-bit data bus structures
Settling TimeFaster settling times compared to previous models
Reference VoltageOn-chip 5 V reference or external reference
Load CapabilityOutput amplifiers can develop +10 V across a 2 kΩ load to GND

Key Features

  • Compact Design: Available in 24-pin DIP and 24-lead SOIC packages, offering significant space savings and increased reliability over multichip designs.
  • High-Speed Interface: Improved interface times allow easy and direct interfacing to most modern microprocessors with 8-bit or 16-bit data bus structures.
  • Flexible Power Supply: Operates from 12 V to 15 V supplies, enhancing versatility in various power supply environments.
  • No External Trims Required: Achieves full specified performance without the need for external user trims.
  • Microprocessor Compatibility: Features high-speed data latches and interface logic, making it compatible with a wide range of microprocessors.
  • Reference Voltage Flexibility: Allows the use of either the on-chip 5 V reference or an external reference voltage.
  • Asynchronous LDAC Signal: The LDAC input controls the transfer of 12-bit data from the input latches to the DAC latches, useful for simultaneous updating of multiple AD7237As.

Applications

The AD7237JN is suitable for a variety of applications that require precise digital-to-analog conversion, including:

  • Industrial Control Systems: For precise control and monitoring in industrial environments.
  • Medical Devices: Where accurate and reliable DAC performance is critical.
  • Aerospace and Defense: For applications requiring high reliability and performance in harsh environments.
  • Automotive Systems: For control and monitoring in automotive electronics.
  • Test and Measurement Equipment: For generating precise analog signals in testing and measurement applications.

Q & A

  1. What is the resolution of the AD7237JN DAC?
    The AD7237JN has a resolution of 12 bits.
  2. What are the output voltage ranges for the AD7237JN?
    The output voltage ranges are 0 V to +5 V and 0 V to +10 V for single supply operation, and ±5 V, 0 V to +5 V, and 0 V to +10 V for dual supply operation.
  3. What is the power supply range for the AD7237JN?
    The AD7237JN operates from 12 V to 15 V supplies.
  4. What package types are available for the AD7237JN?
    The AD7237JN is available in 24-pin DIP and 24-lead SOIC packages.
  5. Is the AD7237JN compatible with microprocessors?
    Yes, it is microprocessor compatible with 8-bit or 16-bit data bus structures.
  6. Can the AD7237JN use an external reference voltage?
    Yes, the AD7237JN allows the use of either the on-chip 5 V reference or an external reference voltage.
  7. What is the load capability of the output amplifiers?
    The output amplifiers can develop +10 V across a 2 kΩ load to GND.
  8. Does the AD7237JN require external user trims?
    No, the AD7237JN achieves full specified performance without the need for external user trims.
  9. How does the LDAC signal work on the AD7237JN?
    The LDAC input controls the transfer of 12-bit data from the input latches to the DAC latches and is asynchronous and independent of the WR signal.
  10. What are some typical applications of the AD7237JN?
    Typical applications include industrial control systems, medical devices, aerospace and defense, automotive systems, and test and measurement equipment.

Product Attributes

Number of Bits:- 
Number of D/A Converters:- 
Settling Time:- 
Output Type:- 
Differential Output:- 
Data Interface:- 
Reference Type:- 
Voltage - Supply, Analog:- 
Voltage - Supply, Digital:- 
INL/DNL (LSB):- 
Architecture:- 
Operating Temperature:- 
Package / Case:24-DIP (0.300", 7.62mm)
Supplier Device Package:24-PDIP
Mounting Type:Through Hole
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Similar Products

Part Number AD7237JN AD7237JNZ AD7237KN AD7237JR AD7247JN
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Obsolete Obsolete Obsolete
Number of Bits - 12 12 12 12
Number of D/A Converters - 2 2 2 2
Settling Time - 10µs 10µs 10µs 10µs
Output Type - Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered
Differential Output - No No No No
Data Interface - Parallel Parallel Parallel Parallel
Reference Type - External, Internal External, Internal External, Internal External, Internal
Voltage - Supply, Analog - ±15V ±15V ±15V ±15V
Voltage - Supply, Digital - - - - 15V
INL/DNL (LSB) - ±1 (Max), ±0.9 (Max) ±0.5 (Max), ±0.9 (Max) ±1 (Max), ±0.9 (Max) ±1 (Max), ±0.9 (Max)
Architecture - R-2R R-2R R-2R R-2R
Operating Temperature - -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 24-DIP (0.300", 7.62mm) 24-DIP (0.300", 7.62mm) 24-DIP (0.300", 7.62mm) 24-SOIC (0.295", 7.50mm Width) 24-DIP (0.300", 7.62mm)
Supplier Device Package 24-PDIP 24-PDIP 24-PDIP 24-SOIC 24-PDIP
Mounting Type Through Hole Through Hole Through Hole Surface Mount Through Hole

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