AD7224LPZ-REEL
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Analog Devices Inc. AD7224LPZ-REEL

Manufacturer No:
AD7224LPZ-REEL
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC DAC 8BIT V-OUT 20PLCC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD7224LPZ-REEL is a precision 8-bit, voltage-output, digital-to-analog converter (DAC) with an integrated output amplifier and double-buffered interface logic. Fabricated using Analog Devices' high-speed Linear Compatible CMOS (LC2MOS) process, this device allows for the integration of high-speed digital logic and precision analog circuits on the same chip. The AD7224 does not require external trims to achieve its full specified performance, making it a reliable choice for various applications.

Key Specifications

Parameter Units Conditions/Comments
Resolution 8 Bits
Total Unadjusted Error ±2 LSB max VDD = +15 V ± 5%, VREF = +10 V
Relative Accuracy ±1 LSB max
Differential Nonlinearity ±1 LSB max
Full-Scale Error ±3/2 LSB max
Full-Scale Temperature Coefficient ±20 ppm/°C max
Input Reference Voltage Range +2 V to +12.5 V (dual supply), +10 V (single supply)
Output Amplifier Capability +10 V across a 2 kΩ load
Logic Input Compatibility TTL and CMOS (5 V) level compatible

Key Features

  • Double-buffered interface logic with input and DAC registers, allowing simultaneous updates in systems with multiple AD7224s.
  • No external trims required for full specified performance.
  • Integrated output amplifier capable of developing +10 V across a 2 kΩ load.
  • Logic inputs are TTL and CMOS (5 V) level compatible and speed-compatible with most 8-bit microprocessors.
  • RESET line functions as a zero override for system calibration cycles.
  • Fabricated in high-speed LC2MOS process for integrating high-speed digital and precision analog circuits.

Applications

  • Industrial control systems requiring precise analog output.
  • Automotive systems needing reliable and accurate digital-to-analog conversion.
  • Medical devices that demand high precision and reliability in analog output.
  • Aerospace and defense applications where robust and accurate DACs are essential.
  • Any system requiring simultaneous update of multiple DACs.

Q & A

  1. What is the resolution of the AD7224LPZ-REEL?

    The AD7224LPZ-REEL has an 8-bit resolution.

  2. What is the total unadjusted error of the AD7224LPZ-REEL?

    The total unadjusted error is ±2 LSB max at VDD = +15 V ± 5% and VREF = +10 V.

  3. Is the AD7224LPZ-REEL compatible with TTL and CMOS logic levels?
  4. What is the range of input reference voltage for the AD7224LPZ-REEL?

    The input reference voltage range is from +2 V to +12.5 V for dual supply operation and +10 V for single supply operation.

  5. What is the capability of the integrated output amplifier?

    The output amplifier is capable of developing +10 V across a 2 kΩ load.

  6. Does the AD7224LPZ-REEL require external trims for full performance?

    No, the AD7224LPZ-REEL does not require external trims to achieve its full specified performance.

  7. How does the RESET line function in the AD7224LPZ-REEL?

    The RESET line functions as a zero override for system calibration cycles and can reset both registers to zero.

  8. What is the purpose of the double-buffered interface logic in the AD7224LPZ-REEL?

    The double-buffered interface logic allows for simultaneous updates in systems containing multiple AD7224s.

  9. In what process is the AD7224LPZ-REEL fabricated?

    The AD7224LPZ-REEL is fabricated in the high-speed Linear Compatible CMOS (LC2MOS) process.

  10. What are some typical applications of the AD7224LPZ-REEL?

    Typical applications include industrial control systems, automotive systems, medical devices, and aerospace and defense systems.

Product Attributes

Number of Bits:8
Number of D/A Converters:1
Settling Time:20µs
Output Type:Voltage - Buffered
Differential Output:No
Data Interface:Parallel
Reference Type:External
Voltage - Supply, Analog:11.4V ~ 16.5V, ±5V
Voltage - Supply, Digital:14.25V ~ 15.75V
INL/DNL (LSB):±0.5 (Max), ±1 (Max)
Architecture:R-2R
Operating Temperature:-40°C ~ 85°C
Package / Case:20-LCC (J-Lead)
Supplier Device Package:20-PLCC (9x9)
Mounting Type:Surface Mount
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Similar Products

Part Number AD7224LPZ-REEL AD7225LPZ-REEL AD7224LP-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Obsolete
Number of Bits 8 8 8
Number of D/A Converters 1 4 1
Settling Time 20µs 4µs 20µs
Output Type Voltage - Buffered Voltage - Buffered Voltage - Buffered
Differential Output No No No
Data Interface Parallel Parallel Parallel
Reference Type External External External
Voltage - Supply, Analog 11.4V ~ 16.5V, ±5V 11.4V ~ 16.5V, -5V 11.4V ~ 16.5V, ±5V
Voltage - Supply, Digital 14.25V ~ 15.75V 14.25V ~ 15.75V 14.25V ~ 15.75V
INL/DNL (LSB) ±0.5 (Max), ±1 (Max) ±0.5 (Max), ±1 (Max) ±0.5 (Max), ±1 (Max)
Architecture R-2R R-2R R-2R
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 20-LCC (J-Lead) 28-LCC (J-Lead) 20-LCC (J-Lead)
Supplier Device Package 20-PLCC (9x9) 28-PLCC (11.51x11.51) 20-PLCC (9x9)
Mounting Type Surface Mount Surface Mount Surface Mount

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