AD5311BRT datasheet, PDF - EEWORLD Datasheet

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AD5311BRT: DescriptionSERIAL INPUT LOADING, 8 us SETTLING TIME, 12-BIT DAC, PDSO8; Categorysemiconductor logic; File Size469KB，24 Pages; ManufacturerADI; Websitehttps://www.analog.com

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AD5311BRT Overview

SERIAL INPUT LOADING, 8 us SETTLING TIME, 12-BIT DAC, PDSO8

AD5311BRT Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	8
Maximum operating temperature	105 Cel
Minimum operating temperature	-40 Cel
Rated supply voltage	3 V
Maximum linear error	0.3906 %
Processing package description	MO-187AA, MSOP-8
state	ACTIVE
Craftsmanship	CMOS
packaging shape	SQUARE
Package Size	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	0.6500 mm
terminal coating	tin lead
Terminal location	pair
Packaging Materials	Plastic/Epoxy
Temperature level	INDUSTRIAL
Input format	serial
Type of converter	digital to analog converter
Input bit encoding	binary
Rated settling time	8 us
Maximum analog output voltage	5.5 V
Minimum analog output voltage	1.00E-3 V

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Data Sheet

FEATURES

AD5301:

buffered voltage output 8-bit DAC

AD5311:

buffered voltage output 10-bit DAC

AD5321:

buffered voltage output 12-bit DAC

6-lead SOT-23 and 8-lead MSOP packages

Micropower operation: 120 μA at 3 V

2-wire (I

C-compatible) serial interface

Data readback capability

2.5 V to 5.5 V power supply

Guaranteed monotonic by design over all codes

Power-down to 50 nA at 3 V

Reference derived from power supply

Power-on reset to 0 V

On-chip rail-to-rail output buffer amplifier

3 power-down functions

2.5 V to 5.5 V, 120 μA, 2-Wire Interface,

Voltage-Output 8-/10-/12-Bit DACs

AD5301/AD5311/AD5321

GENERAL DESCRIPTION

The

AD5301/AD5311/AD5321

are single 8-/10-/12-bit, buff-

ered, voltage-output DACs that operate from a single 2.5 V to

5.5 V supply, consuming 120 μA at 3 V. The on-chip output

amplifier allows rail-to-rail output swing with a slew rate of

0.7 V/μs. It uses a 2-wire (I

C-compatible) serial interface that

operates at clock rates up to 400 kHz. Multiple devices can share

the same bus.

The reference for the DAC is derived from the power supply

inputs and thus gives the widest dynamic output range. These

devices incorporate a power-on reset circuit, which ensures that

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

valid write takes place. The devices contain a power-down

feature that reduces the current consumption of the device to

50 nA at 3 V and provides software-selectable output loads

while in power-down mode.

The low power consumption in normal operation makes these

DACs ideally suited to portable battery-operated equipment. The

power consumption is 0.75 mW at 5 V and 0.36 mW at 3 V,

reducing to 1 μW in all power-down modes.

APPLICATIONS

Portable battery-powered instruments

Digital gain and offset adjustment

Programmable voltage and current sources

Programmable attenuators

FUNCTIONAL BLOCK DIAGRAM

SCL

SDA

INTERFACE

LOGIC

A1*

AD5301/AD5311/AD5321

REF

DAC

8-/10-/12-BIT

DAC

BUFFER

OUT

POWER-DOWN

LOGIC

RESISTOR

NETWORK

POWER-ON

RESET

GND

*AVAILABLE ON 8-LEAD VERSION ONLY

PD*

Figure 1.

Protected by U.S. Patent No. 5684481.

Document Feedback

Rev. C

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.

Technical Support

www.analog.com

00927-001

AD5301/AD5311/AD5321

TABLE OF CONTENTS

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

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

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

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

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

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

AC Characteristics........................................................................ 5

Timing Characteristics ................................................................ 5

Absolute Maximum Ratings............................................................ 6

ESD Caution .................................................................................. 6

Pin Configurations and Function Descriptions ........................... 7

Terminology ...................................................................................... 8

Typical Performance Characteristics ............................................. 9

Theory of Operation ...................................................................... 13

Digital-to-Analog ....................................................................... 13

Resistor String ............................................................................. 13

Data Sheet

Output Amplifier........................................................................ 13

Power-On Reset .......................................................................... 13

Serial Interface ................................................................................ 14

2-Wire Serial Bus ........................................................................ 14

Input Shift Register .................................................................... 14

Write Operation.......................................................................... 15

Read Operation........................................................................... 16

Power-Down Modes .................................................................. 17

Applications Notes ......................................................................... 18

Using the REF193/REF195 as a Power Supply ........................ 18

Bipolar Operation Using the AD5301/ AD5311/AD5321 .... 18

Multiple Devices on One Bus ................................................... 18

CMOS Driven SCL and SDA Lines.......................................... 18

Power Supply Decoupling ......................................................... 19

Outline Dimensions ....................................................................... 20

Ordering Guide .......................................................................... 21

REVISION HISTORY

6/2016—Rev. B to Rev. C

Changes to Figure 33 and Figure 34 ............................................. 16

Changes to Ordering Guide .......................................................... 22

3/2007—Rev. A to Rev. B

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

Changes to Table 4 ............................................................................ 6

Changes to Figure 4 Caption ........................................................... 7

Updated Outline Dimensions ....................................................... 20

Changes to Ordering Guide .......................................................... 21

11/2003—Rev. 0 to Rev. A

Changes to Ordering Guide ............................................................ 4

Updated Outline Dimensions ....................................................... 15

7/1999—Revision 0: Initial Version

Rev. C | Page 2 of 24

AD5311BRT Related Products

	AD5311BRT	AD5321BRT	AD5301BRMZ-REEL7	AD5311BRTZ-REEL7	EVAL-AD5321DBZ	AD5311BRMZ-REEL	AD5321BRMZ	AD5311BRMZ
Description	SERIAL INPUT LOADING, 8 us SETTLING TIME, 12-BIT DAC, PDSO8	SERIAL INPUT LOADING, 8 us SETTLING TIME, 12-BIT DAC, PDSO8	IC DAC 8BIT 2WIRE I2C 8-MSOP	IC DAC 10BIT 2WIRE W/BUF SOT23-6	EVAL BOARD FOR AD5321	IC DAC 10BIT 2WIRE W/BUFF 8-MSOP	Output type: Voltage-Buffered D/A Number of digits: 12 Read and write interface type: I2C D/A Number of channels: 1	Output type: Voltage-Buffered D/A Number of digits: 10 Read and write interface type: I2C D/A Number of channels: 1
Output type	-	-	Voltage - Buffered	Voltage - Buffered	-	Voltage - Buffered	Voltage-Buffered	Voltage-Buffered
Reference type	-	-	power supply	power supply	-	power supply	Supply	Supply

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