AD5310BRMZ-REEL7 datasheet, PDF

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AD5310BRMZ-REEL7: DescriptionOutput type: Voltage-Buffered D/A Number of digits: 10 Read and write interface type: SPI, DSP Number of D/A channels: 1; CategoryAnalog mixed-signal IC converter; File Size584KB，16 Pages; ManufacturerADI; Websitehttps://www.analog.com; Environmental Compliance

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AD5310BRMZ-REEL7 Overview

Output type: Voltage-Buffered D/A Number of digits: 10 Read and write interface type: SPI, DSP Number of D/A channels: 1

AD5310BRMZ-REEL7 Parametric

Parameter Name	Attribute value
Operating Voltage	2.7 V~5.5 V
Output type	Voltage-Buffered
D/A digits	10
Read and write interface type	SPI,DSP
Number of D/A channels	1
Reference type	Supply

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Data Sheet

FEATURES

2.7 V to 5.5 V, 140 µA, Rail-to-Rail

Voltage Output 10-Bit DAC in a SOT-23

AD5310

FUNCTIONAL BLOCK DIAGRAM

Single 10-bit DAC

6-lead SOT-23 and 8-lead

µSOIC

packages

Micropower operation: 140

µA

@ 5 V

Power-down to 200 nA @ 5 V, 50 nA @ 3 V

2.7 V to 5.5 V power supply

Guaranteed monotonic by design

Reference derived from power supply

Power-on reset to 0 V

Three power-down functions

Low power serial interface with Schmitt triggered inputs

On-chip output buffer amplifier, rail-to-rail operation

SYNC interrupt facility

Qualified for automotive applications

APPLICATIONS

Portable battery-powered instruments

Digital gain and offset adjustment

Programmable voltage and current sources

Programmable attenuators

Figure 1.

GENERAL DESCRIPTION

The

AD5310

is a single, 10-bit, buffered voltage output DAC

that operates from a single 2.7 V to 5.5 V supply, consuming

115 µA at 3 V. Its on-chip precision output amplifier allows

rail-to-rail output swing. The

AD5310

utilizes a versatile 3-wire

serial interface that operates at clock rates of up to 30 MHz and

is compatible with standard SPI™, QSPI™, MICROWIRE®, and

DSP interface standards.

The reference for

AD5310

is derived from the power supply inputs

and, therefore, provides the widest dynamic output range. The

part incorporates a power-on reset circuit that ensures that the

DAC output powers up to 0 V and remains there until a valid

write takes place to the device. The part contains a power-down

feature, which reduces the current consumption of the device to

200 nA at 5 V and provides software-selectable output loads while

in power-down mode. The part is put into power-down mode

over the serial interface.

The low power consumption of this part in normal operation

makes it ideally suited for portable, battery-operated equipment.

The power consumption is 0.7 mW at 5 V, reducing to 1 µW in

power-down mode.

The

AD5310

is one of a family of pin-compatible DACs. The

AD5300

is the 8-bit version, and the AD5320 is the 12-bit version.

The

AD5300/AD5310/AD5320

are available in 6-lead SOT-23

packages and 8-lead µSOIC packages.

PRODUCT HIGHLIGHTS

Available in 6-lead SOT-23 and 8-lead µSOIC packages.

Low power, single-supply operation. This part operates

from a single 2.7 V to 5.5 V supply and typically consumes

0.35 mW at 3 V and 0.7 mW at 5 V, making it ideal for

battery-powered applications.

The on-chip output buffer amplifier allows the output of

the DAC to swing rail-to-rail with a slew rate of 1 V/µs.

Reference derived from the power supply.

High speed serial interface with clock speeds of up to 30 MHz.

Designed for very low power consumption. The interface

only powers up during a write cycle.

Power-down capability. When powered down, the DAC

typically consumes 50 nA at 3 V and 200 nA at 5 V.

Patent pending; protected by U.S. Patent No. 5684481.

Rev. B

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

www.analog.com

Fax: 781.461.3113

AD5310

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications ....................................................................................... 1

Functional Block Diagram .............................................................. 1

General Description ......................................................................... 1

Product Highlights ........................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Timing Characteristics ................................................................ 4

Absolute Maximum Ratings ............................................................ 5

ESD Caution .................................................................................. 5

Pin Configurations and Function Descriptions ........................... 6

Typical Performance Characteristics ............................................. 7

Terminology .................................................................................... 10

Theory of Operation ...................................................................... 11

D/A Section ................................................................................. 11

Resistor String ............................................................................. 11

Data Sheet

Output Amplifier ........................................................................ 11

Serial Interface ............................................................................ 11

Input Shift Register .................................................................... 11

SYNC Interrupt .......................................................................... 12

Power-On Reset .......................................................................... 12

Power-Down Modes .................................................................. 12

Microprocessor Interfacing ....................................................... 12

Applications Information .............................................................. 14

Using REF19x as a Power Supply for AD5310 ....................... 14

Bipolar Operation Using the AD5310 ..................................... 14

Using AD5310 with an Opto-Isolated Interface .................... 14

Power Supply Bypassing and Grounding ................................ 15

Outline Dimensions ....................................................................... 16

Ordering Guide .......................................................................... 16

Automotive Products ................................................................. 16

REVISION HISTORY

7/12—Rev. A to Rev. B

Updated Format .................................................................. Universal

Changes to Features.......................................................................... 1

Change to Figure 9 Caption ............................................................ 7

Changes to AD5310 to ADSP-2101 Interface Section

and Figure 27............................................................................... 12

Updated Outline Dimensions ....................................................... 16

Changes to Ordering Guide .......................................................... 16

Added Automotive Products Section........................................... 16

5/99—Rev. 0 to Rev. A

Rev. B | Page 2 of 16

AD5310BRMZ-REEL7 Related Products

	AD5310BRMZ-REEL7	AD5310BRM-REEL7	EVAL-AD5310RDBZ	AD5310BRMZ
Description	Output type: Voltage-Buffered D/A Number of digits: 10 Read and write interface type: SPI, DSP Number of D/A channels: 1	IC DAC 10BIT R-R W/BUFF 8-MSOP	EVAL BOARD FOR AD5310R	Output type: Voltage-Buffered D/A Number of digits: 10 Read and write interface type: SPI, DSP Number of D/A channels: 1
Output type	Voltage-Buffered	Voltage - Buffered	-	Voltage-Buffered
Reference type	Supply	power supply	-	Supply

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