AD7304BRU-REEL7
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Analog Devices Inc. AD7304BRU-REEL7

Manufacturer No:
AD7304BRU-REEL7
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC DAC 8BIT V-OUT 16TSSOP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD7304BRU-REEL7 is a quad, 8-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component operates from a single +3 V to +5 V supply or ±5 V supplies, making it versatile for various applications. The AD7304 features a serial interface and is known for its high-speed, 3-wire, SPI- and microcontroller-compatible inputs. The device includes internal precision buffers that swing rail-to-rail, allowing for full-scale output voltages determined by the external reference input voltage.

Key Specifications

Parameter Condition Value Unit
Resolution - 8 bits -
Supply Voltage Range - 2.7 V to 5.5 V or ±5 V V
Reference Input Range - VSS to VDD V
Output Voltage Range - VSS to VDD V
Output Current Drive Code = 0x80, ΔVOUT < 1 LSB ±3 mA mA
Shutdown Resistance DAC outputs in shutdown state 120 kΩ
Capacitive Load No oscillation 200 pF pF
Logic Input Low Voltage VDD = 3 V or 5 V 0.6 V or 0.8 V V
Logic Input High Voltage VDD = 3 V or 5 V 2.1 V or 2.4 V V
Clock Frequency - Up to 16.6 MHz MHz
Power Dissipation No load, VLOGIC = 0 V or VDD 15 mW to 60 mW mW
Shutdown Supply Current No load, SDI/SHDN = floating 40 µA µA

Key Features

  • Double-Buffered Architecture: Allows all four input registers to be preloaded with new values, followed by an LDAC control strobe that updates the analog output values.
  • Serial Interface: High-speed, 3-wire, SPI- and microcontroller-compatible inputs using data in (SDI), clock (CLK), and chip select (CS) pins.
  • Rail-to-Rail Output: Internal precision buffers swing rail-to-rail, enabling full-scale output voltages determined by the external reference input voltage.
  • Power-On Reset: Sets the output to zero scale upon power-up.
  • Low Power Consumption: Consumes less than 9 mW from a 3 V supply and has a shutdown mode with a supply current of 40 µA.
  • Wide Operating Range: Guaranteed operation over the supply voltage range of 2.7 V to 5.5 V.

Applications

  • Automotive Systems: Suitable for applications requiring output span voltage control.
  • Instrumentation: Used in digitally controlled calibration and measurement systems.
  • Industrial Control Systems: Ideal for applications needing precise analog output control.
  • Medical Devices: Can be used in medical equipment requiring accurate and reliable DAC functionality.

Q & A

  1. What is the resolution of the AD7304BRU-REEL7 DAC?

    The AD7304BRU-REEL7 has an 8-bit resolution.

  2. What is the supply voltage range for the AD7304BRU-REEL7?

    The supply voltage range is from 2.7 V to 5.5 V or ±5 V.

  3. What is the reference input range for the AD7304BRU-REEL7?

    The reference input range includes both supply rails, from VSS to VDD.

  4. How does the double-buffered architecture of the AD7304BRU-REEL7 work?

    The double-buffered architecture allows all four input registers to be preloaded with new values, followed by an LDAC control strobe that updates the analog output values.

  5. What is the maximum clock frequency for the AD7304BRU-REEL7?

    The maximum clock frequency is up to 16.6 MHz.

  6. What is the power consumption of the AD7304BRU-REEL7 in shutdown mode?

    The shutdown supply current is 40 µA.

  7. Can the AD7304BRU-REEL7 operate with a single supply or dual supplies?

    The AD7304BRU-REEL7 can operate from a single +3 V to +5 V supply or ±5 V supplies.

  8. What is the output current drive capability of the AD7304BRU-REEL7?

    The output current drive is ±3 mA at code 0x80 with ΔVOUT < 1 LSB.

  9. What are some common applications of the AD7304BRU-REEL7?

    Common applications include automotive systems, instrumentation, industrial control systems, and medical devices.

  10. Does the AD7304BRU-REEL7 have a power-on reset feature?

Product Attributes

Number of Bits:8
Number of D/A Converters:4
Settling Time:2µs
Output Type:Voltage - Buffered
Differential Output:No
Data Interface:SPI
Reference Type:External
Voltage - Supply, Analog:2.7V ~ 5.5V, ±5V
Voltage - Supply, Digital:2.7V ~ 5.5V
INL/DNL (LSB):±1 (Max), ±1 (Max)
Architecture:R-2R
Operating Temperature:-40°C ~ 85°C
Package / Case:16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:16-TSSOP
Mounting Type:Surface Mount
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Similar Products

Part Number AD7304BRU-REEL7 AD7304BRUZ-REEL7 AD7305BRU-REEL7
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 4 4 4
Settling Time 2µs 2µs 2µs
Output Type Voltage - Buffered Voltage - Buffered Voltage - Buffered
Differential Output No No No
Data Interface SPI SPI Parallel
Reference Type External External External
Voltage - Supply, Analog 2.7V ~ 5.5V, ±5V 2.7V ~ 5.5V, ±5V 2.7V ~ 5.5V, ±5V
Voltage - Supply, Digital 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)
Architecture R-2R R-2R R-2R
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 16-TSSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width) 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-TSSOP 16-TSSOP 20-TSSOP
Mounting Type Surface Mount Surface Mount Surface Mount

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