AD7948BNZ
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Analog Devices Inc. AD7948BNZ

Manufacturer No:
AD7948BNZ
Manufacturer:
Analog Devices Inc.
Package:
Bulk
Description:
IC DAC 12BIT A-OUT 20DIP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD7948BNZ is a 12-bit multiplying Digital-to-Analog Converter (DAC) produced by Analog Devices Inc. This device is part of the AD7943, AD7945, and AD7948 series, which are designed to operate from a single +3.3 V to +5 V supply, offering superior speed and low power consumption. The AD7948BNZ features an 8-bit byte interface, making it versatile for various applications requiring precise analog output.

Key Specifications

ParameterValueUnitsTest Conditions/Comments
Resolution12Bits
Integral Non-Linearity (INL)±0.5LSB
Differential Non-Linearity (DNL)±0.5LSB
Settling Time600 ns (typ)To 0.01% of Full-Scale Range with AD843
Power Consumption5 µW (typ)
Supply Voltage+3.3 V to +5 V
Interface8-bit Byte Interface
Package20-pin DIP, 20-pin SOP, 20-pin SSOP

Key Features

  • 12-bit multiplying DAC with high accuracy (INL and DNL of ±0.5 LSB)
  • Low power consumption of 5 µW typical
  • Fast settling time of 600 ns to 0.01% of full-scale range with AD843
  • Operates from a single +3.3 V to +5 V supply
  • 8-bit byte interface for flexible data transfer
  • Available in 20-pin DIP, SOP, and SSOP packages

Applications

The AD7948BNZ is suitable for a variety of applications, including:

  • Battery-powered instrumentation
  • Laptop computers
  • Upgrades for all 754x series DACs (5 V designs)

Q & A

  1. What is the resolution of the AD7948BNZ?
    The AD7948BNZ has a resolution of 12 bits.
  2. What are the typical power consumption and settling time of the AD7948BNZ?
    The typical power consumption is 5 µW, and the settling time is 600 ns to 0.01% of full-scale range with AD843.
  3. What are the available package options for the AD7948BNZ?
    The AD7948BNZ is available in 20-pin DIP, SOP, and SSOP packages.
  4. What is the supply voltage range for the AD7948BNZ?
    The supply voltage range is +3.3 V to +5 V.
  5. What type of interface does the AD7948BNZ have?
    The AD7948BNZ has an 8-bit byte interface.
  6. What are some common applications for the AD7948BNZ?
    Common applications include battery-powered instrumentation, laptop computers, and upgrades for all 754x series DACs (5 V designs).
  7. How accurate is the AD7948BNZ in terms of INL and DNL?
    The AD7948BNZ has an INL and DNL of ±0.5 LSB.
  8. Can the AD7948BNZ replace older DAC models?
    Yes, the AD7948BNZ can replace industry-standard AD7543, AD7545, and AD7548 in many applications.
  9. What is the significance of the low power consumption of the AD7948BNZ?
    The low power consumption makes it suitable for battery-powered devices and other applications where power efficiency is crucial.
  10. How does the AD7948BNZ compare to other DACs in terms of speed and power consumption?
    The AD7948BNZ offers superior speed and power consumption performance compared to older DAC models.

Product Attributes

Number of Bits:12
Number of D/A Converters:1
Settling Time:600µs (Typ)
Output Type:Current - Unbuffered
Differential Output:No
Data Interface:Parallel
Reference Type:External
Voltage - Supply, Analog:5V
Voltage - Supply, Digital:5V
INL/DNL (LSB):±0.5 (Max), ±0.5 (Max)
Architecture:R-2R
Operating Temperature:-40°C ~ 85°C
Package / Case:20-DIP (0.300", 7.62mm)
Supplier Device Package:20-PDIP
Mounting Type:Through Hole
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Similar Products

Part Number AD7948BNZ AD7948BRZ AD7943BNZ AD7945BNZ AD7948BN
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Active Obsolete
Number of Bits 12 12 12 12 12
Number of D/A Converters 1 1 1 1 1
Settling Time 600µs (Typ) 600µs (Typ) 600µs (Typ) 600µs (Typ) 600µs (Typ)
Output Type Current - Unbuffered Current - Unbuffered Current - Unbuffered Current - Unbuffered Current - Unbuffered
Differential Output No No No No No
Data Interface Parallel Parallel Serial Parallel Parallel
Reference Type External External External External External
Voltage - Supply, Analog 5V 5V 5V 5V 5V
Voltage - Supply, Digital 5V 5V 5V 5V 5V
INL/DNL (LSB) ±0.5 (Max), ±0.5 (Max) ±0.5 (Max), ±0.5 (Max) ±0.5 (Max), ±0.5 (Max) ±0.5 (Max), ±0.5 (Max) ±0.5 (Max), ±0.5 (Max)
Architecture R-2R 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 -40°C ~ 85°C
Package / Case 20-DIP (0.300", 7.62mm) 20-SOIC (0.295", 7.50mm Width) 16-DIP (0.300", 7.62mm) 20-DIP (0.300", 7.62mm) 20-DIP (0.300", 7.62mm)
Supplier Device Package 20-PDIP 20-SOIC 16-PDIP 20-PDIP 20-PDIP
Mounting Type Through Hole Surface Mount Through Hole Through Hole Through Hole

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