AD7302BRU
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Analog Devices Inc. AD7302BRU

Manufacturer No:
AD7302BRU
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC DAC 8BIT V-OUT 20TSSOP
Delivery:
Payment:
iso14001
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Product Introduction

Overview

The AD7302BRU, produced by Analog Devices Inc., is a dual 8-bit voltage output Digital-to-Analog Converter (DAC) designed to operate from a single supply voltage ranging from 2.7 V to 5.5 V. This component features on-chip precision output buffers that enable the DAC outputs to swing rail-to-rail, making it suitable for a variety of applications requiring precise voltage control. The AD7302BRU is available in a 20-lead TSSOP package and is known for its low power consumption, high speed parallel interface, and internal or external reference capability.

Key Specifications

ParameterValue
Voltage Supply Range2.7 V to 5.5 V
Number of Bits8
Number of D/A Converters2
Package Type20-TSSOP
Operating Temperature Range-40°C to +105°C
Settling TimeTypically 1.2 µs
Reference TypeInternal or External
Output TypeVoltage - Buffered
Power Consumption (Active)< 10 mW at 3.3 V
Power Consumption (Power-Down)< 3 µW
INL/DNL±1 LSB (Max)

Key Features

  • Low power, single supply operation from 2.7 V to 5.5 V.
  • On-chip precision output buffers allowing rail-to-rail output swing.
  • Internal or external reference capability.
  • High speed parallel interface compatible with microprocessors and DSPs.
  • Dual buffered interface logic for simultaneous updating of both DACs.
  • Power-down function reducing current consumption to less than 1 µA.
  • Asynchronous LDAC and CLR inputs for simultaneous update and clear functions.

Applications

  • Portable battery-powered instruments.
  • Digital gain and offset adjustment.
  • Programmable voltage and current sources.
  • Programmable attenuators.

Q & A

  1. What is the voltage supply range of the AD7302BRU?
    The AD7302BRU operates from a single supply voltage ranging from 2.7 V to 5.5 V.
  2. How many bits does the AD7302BRU have?
    The AD7302BRU is an 8-bit DAC.
  3. What is the package type of the AD7302BRU?
    The AD7302BRU is available in a 20-lead TSSOP package.
  4. What is the operating temperature range of the AD7302BRU?
    The operating temperature range is -40°C to +105°C.
  5. What is the settling time of the AD7302BRU?
    The settling time is typically 1.2 µs.
  6. Can the AD7302BRU use an external reference?
    Yes, the AD7302BRU can use either an internal or an external reference.
  7. What is the power consumption of the AD7302BRU in active mode?
    The power consumption is less than 10 mW at 3.3 V.
  8. How much power does the AD7302BRU consume in power-down mode?
    The power consumption in power-down mode is less than 3 µW.
  9. What is the INL/DNL of the AD7302BRU?
    The INL/DNL is ±1 LSB (Max).
  10. What are some common applications of the AD7302BRU?
    Common applications include portable battery-powered instruments, digital gain and offset adjustment, programmable voltage and current sources, and programmable attenuators.

Product Attributes

Number of Bits:8
Number of D/A Converters:2
Settling Time:2µs
Output Type:Voltage - Buffered
Differential Output:No
Data Interface:Parallel
Reference Type:External
Voltage - Supply, Analog:2.7V ~ 5.5V
Voltage - Supply, Digital:2.7V ~ 5.5V
INL/DNL (LSB):±1 (Max), ±1 (Max)
Architecture:Current Source
Operating Temperature:-40°C ~ 105°C
Package / Case:20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:20-TSSOP
Mounting Type:Surface Mount
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Similar Products

Part Number AD7302BRU AD7302BRZ AD7302BRUZ AD7304BRU AD7305BRU AD7302BR
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Active Obsolete Obsolete Obsolete
Number of Bits 8 8 8 8 8 8
Number of D/A Converters 2 2 2 4 4 2
Settling Time 2µs 2µs 2µs 2µs 2µs 2µs
Output Type Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered
Differential Output No No No No No No
Data Interface Parallel Parallel Parallel SPI Parallel Parallel
Reference Type External External External External External External
Voltage - Supply, Analog 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V, ±5V 2.7V ~ 5.5V, ±5V 2.7V ~ 5.5V
Voltage - Supply, Digital 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V
INL/DNL (LSB) ±1 (Max), ±1 (Max) ±1 (Max), ±1 (Max) ±1 (Max), ±1 (Max) ±1 (Max), ±1 (Max) ±1 (Max), ±1 (Max) ±1 (Max), ±1 (Max)
Architecture Current Source Current Source Current Source R-2R R-2R Current Source
Operating Temperature -40°C ~ 105°C -40°C ~ 105°C -40°C ~ 105°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 105°C
Package / Case 20-TSSOP (0.173", 4.40mm Width) 20-SOIC (0.295", 7.50mm Width) 20-TSSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width) 20-TSSOP (0.173", 4.40mm Width) 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-TSSOP 20-SOIC 20-TSSOP 16-TSSOP 20-TSSOP 20-SOIC
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount

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