AD7538KR
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Analog Devices Inc. AD7538KR

Manufacturer No:
AD7538KR
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC DAC 14BIT A-OUT 24SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
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Product Introduction

Overview

The AD7538KR is a 14-bit monolithic CMOS digital-to-analog converter (DAC) produced by Analog Devices Inc. This device utilizes laser trimmed thin-film resistors to achieve excellent linearity and is manufactured using the linear-compatible CMOS (LC2MOS) process. The AD7538KR is designed to be speed compatible with most microprocessors and accepts TTL or CMOS logic level inputs. It features a single DAC architecture with an R-2R resistor ladder, ensuring high-resolution performance and low noise. The device is available in a 24-pin SOIC package and supports double buffering, which allows for simultaneous updates in systems with multiple AD7538s.

Key Specifications

Parameter Value
Number of Bits 14
Number of D/A Converters 1
Settling Time 1.5µs
Output Type Current - Unbuffered
Differential Output No
Data Interface Parallel
Reference Type External
Voltage - Supply, Analog 11.4V ~ 15.75V
Voltage - Supply, Digital 11.4V ~ 15.75V
INL/DNL (LSB) ±1 (Max), ±1 (Max)
Architecture R-2R
Operating Temperature 0°C ~ 70°C
Package 24-SOIC
Mounting Type Surface Mount

Key Features

  • 14-bit resolution with R-2R resistor ladder architecture
  • Single DAC architecture for high-resolution performance and low noise
  • Double buffering capability using LDAC for simultaneous updates in multiple AD7538s
  • Low output leakage current configuration
  • Guaranteed monotonicity to 14 bits over the full temperature range
  • Speed compatible with most microprocessors and accepts TTL or CMOS logic level inputs
  • Wide power supply tolerance: +12 V to +15 V with ±5% tolerance

Applications

  • Industrial data acquisition systems
  • Medical equipment
  • Automotive electronics
  • Digital audio and precision servo control
  • Control and measurement in high-temperature environments

Q & A

  1. What is the resolution of the AD7538KR DAC?

    The AD7538KR has a 14-bit resolution.

  2. What type of architecture does the AD7538KR use?

    The AD7538KR uses an R-2R resistor ladder architecture.

  3. What is the settling time of the AD7538KR?

    The settling time of the AD7538KR is 1.5µs.

  4. Does the AD7538KR support double buffering?

    Yes, the AD7538KR supports double buffering using the LDAC pin.

  5. What is the operating temperature range of the AD7538KR?

    The operating temperature range is 0°C to 70°C.

  6. What type of package is the AD7538KR available in?

    The AD7538KR is available in a 24-pin SOIC package.

  7. Is the AD7538KR compatible with microprocessors?

    Yes, it is speed compatible with most microprocessors and accepts TTL or CMOS logic level inputs.

  8. What is the power supply voltage range for the AD7538KR?

    The power supply voltage range is +12 V to +15 V with a ±5% tolerance.

  9. Does the AD7538KR have differential output?

    No, the AD7538KR does not have differential output.

  10. What type of data interface does the AD7538KR use?

    The AD7538KR uses a parallel data interface.

Product Attributes

Number of Bits:14
Number of D/A Converters:1
Settling Time:1.5µs
Output Type:Current - Unbuffered
Differential Output:No
Data Interface:Parallel
Reference Type:External
Voltage - Supply, Analog:11.4V ~ 15.75V
Voltage - Supply, Digital:11.4V ~ 15.75V
INL/DNL (LSB):±1 (Max), ±1 (Max)
Architecture:R-2R
Operating Temperature:0°C ~ 70°C
Package / Case:24-SOIC (0.295", 7.50mm Width)
Supplier Device Package:24-SOIC
Mounting Type:Surface Mount
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Similar Products

Part Number AD7538KR AD7538KRZ AD7533KR AD7537KR AD7538JR AD7538KN
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Obsolete Obsolete Obsolete Obsolete
Number of Bits 14 14 10 12 14 -
Number of D/A Converters 1 1 1 2 1 -
Settling Time 1.5µs 1.5µs 800ns 1.5µs 1.5µs -
Output Type Current - Unbuffered Current - Unbuffered Current - Unbuffered Current - Unbuffered Current - Unbuffered -
Differential Output No No Yes No No -
Data Interface Parallel Parallel Parallel Parallel Parallel -
Reference Type External External External External External -
Voltage - Supply, Analog 11.4V ~ 15.75V 11.4V ~ 15.75V 5V ~ 15V 10.8V ~ 16.5V 11.4V ~ 15.75V -
Voltage - Supply, Digital 11.4V ~ 15.75V 11.4V ~ 15.75V 5V ~ 15V 10.8V ~ 16.5V 11.4V ~ 15.75V -
INL/DNL (LSB) ±1 (Max), ±1 (Max) ±1 (Max), ±1 (Max) -, ±1 (Max) ±0.5 (Max), ±1 (Max) ±2 (Max), ±1 (Max) -
Architecture R-2R R-2R R-2R R-2R R-2R -
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C -40°C ~ 85°C -40°C ~ 85°C 0°C ~ 70°C -
Package / Case 24-SOIC (0.295", 7.50mm Width) 24-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width) 24-SOIC (0.295", 7.50mm Width) 24-SOIC (0.295", 7.50mm Width) 24-DIP (0.300", 7.62mm)
Supplier Device Package 24-SOIC 24-SOIC 16-SOIC 24-SOIC 24-SOIC 24-PDIP
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Through Hole

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