AD7111ACNZ
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Analog Devices Inc. AD7111ACNZ

Manufacturer No:
AD7111ACNZ
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC DAC 17BIT A-OUT 16DIP
Delivery:
Payment:
iso14001
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iso9001
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Product Introduction

Overview

The AD7111ACNZ, produced by Analog Devices Inc., is a monolithic multiplying Digital-to-Analog Converter (DAC) known as the LOGDAC. This device is renowned for its wide dynamic range and fine step resolution, making it suitable for various precision applications. The AD7111ACNZ is part of the AD7111/AD7111A series, which offers advanced features such as transparent latch operation and compatibility with modern microprocessors.

Key Specifications

ParameterValueUnitsConditions/Comments
Nominal Resolution0.375dB
Accuracy Relative to 0 dB Attenuation±0.17 dB0 to 36 dB range
Dynamic Range0 dB to 88.5 dBIn 0.375 dB steps
Package Types16-pin DIP, SOIC, 20-terminal LCCC
Power Supply Voltage (VDD)+5 VV
Input Leakage Current±1 µA maxµADigital Inputs = VDD
Data Setup Time (tDS)25 ns minnsData Valid to Write Setup Time
Write Pulse Width (tWR)57 ns minns
Propagation Delay1 µs maxµsFull-Scale Change

Key Features

  • Wide Dynamic Range: The AD7111ACNZ can attenuate an analog input signal over a range of 0 dB to 88.5 dB in 0.375 dB steps.
  • Small Package: Available in 16-pin DIPs, SOIC packages, and a 20-terminal LCCC package.
  • Transparent Latch Operation: The DAC latches can be made transparent by tying the CS and WR inputs low.
  • Fast Microprocessor Interface: Compatible with modern microprocessors with data setup times of 25 ns and a write pulse width of 57 ns.
  • High Resolution: Uses a 17-bit R-2R ladder for very fine step resolution.

Applications

The AD7111ACNZ is suitable for a variety of applications that require precise analog signal attenuation, such as audio processing, medical equipment, industrial control systems, and telecommunications. Its compatibility with standard 8-bit microprocessor buses makes it an excellent choice for integrating into existing systems.

Q & A

  1. What is the dynamic range of the AD7111ACNZ?
    The AD7111ACNZ has a dynamic range of 0 dB to 88.5 dB in 0.375 dB steps.
  2. What are the package options for the AD7111ACNZ?
    The AD7111ACNZ is available in 16-pin DIP, SOIC, and 20-terminal LCCC packages.
  3. How does the AD7111ACNZ interface with microprocessors?
    The AD7111ACNZ is easily interfaced to a standard 8-bit MPU bus via an 8-bit data port and standard microprocessor control lines.
  4. What is the resolution of the AD7111ACNZ?
    The AD7111ACNZ uses a 17-bit R-2R ladder, providing a resolution of 0.375 dB steps.
  5. Can the DAC latches be made transparent?
    Yes, the DAC latches can be made transparent by tying the CS and WR inputs low.
  6. What is the power supply voltage for the AD7111ACNZ?
    The power supply voltage (VDD) for the AD7111ACNZ is +5 V.
  7. What is the input leakage current of the AD7111ACNZ?
    The input leakage current is ±1 µA max when digital inputs are at VDD.
  8. What is the propagation delay of the AD7111ACNZ?
    The propagation delay is 1 µs max for a full-scale change.
  9. In what types of applications is the AD7111ACNZ commonly used?
    The AD7111ACNZ is commonly used in audio processing, medical equipment, industrial control systems, and telecommunications.
  10. Is the AD7111ACNZ compatible with existing AD7524 designs?
    Yes, the AD7111A is exactly pin and function-compatible with the AD7524, allowing for easy upgrades.

Product Attributes

Number of Bits:17
Number of D/A Converters:1
Settling Time:- 
Output Type:Current - Unbuffered
Differential Output:No
Data Interface:Parallel
Reference Type:- 
Voltage - Supply, Analog:5V
Voltage - Supply, Digital:5V
INL/DNL (LSB):- 
Architecture:R-2R
Operating Temperature:-40°C ~ 85°C
Package / Case:16-DIP (0.300", 7.62mm)
Supplier Device Package:16-PDIP
Mounting Type:Through Hole
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Similar Products

Part Number AD7111ACNZ AD7111ABNZ AD7111ACN
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Obsolete Obsolete
Number of Bits 17 17 17
Number of D/A Converters 1 1 1
Settling Time - - -
Output Type Current - Unbuffered Current - Unbuffered Current - Unbuffered
Differential Output No No No
Data Interface Parallel Parallel Parallel
Reference Type - - -
Voltage - Supply, Analog 5V 5V 5V
Voltage - Supply, Digital 5V 5V 5V
INL/DNL (LSB) - - -
Architecture R-2R R-2R R-2R
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 16-DIP (0.300", 7.62mm) 16-DIP (0.300", 7.62mm) 16-DIP (0.300", 7.62mm)
Supplier Device Package 16-PDIP 16-PDIP 16-PDIP
Mounting Type Through Hole Through Hole Through Hole

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