AD5301

更新时间： 2024-11-18 22:29:11

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
15页	181K
描述
+2.5 V to +5.5 V, 120 uA, 2-Wire Interface, Voltage Output 8-/10-/12-Bit DACs

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AD5301 数据手册

+2.5 V to +5.5 V, 120 ␮A, 2-Wire Interface,

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

AD5301/AD5311/AD5321*

GENERAL DESCRIPTION

FEATURES

The AD5301/AD5311/AD5321 are single 8-, 10- and 12-bit

buffered 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 (I²C compatible) serial interface that

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

share the same bus.

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 ␮SOIC Packages

Micropower Operation: 120 ␮A @ 3 V

2-Wire (I²C^®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 @ 3 V

Reference Derived from Power Supply

Power-On-Reset to Zero Volts

On-Chip Rail-to-Rail Output Buffer Amplifier

Three Power-Down Functions

The reference for the DAC is derived from the power supply

inputs and thus gives the widest dynamic output range. These

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

the DAC output powers-up to zero volts and remains there until

a valid write takes place. The parts contain a power-down feature

which reduces the current consumption of the device to 50 nA

at 3 V and provides software-selectable output loads while in

power-down mode.

APPLICATIONS

Portable Battery Powered Instruments

Digital Gain and Offset Adjustment

Programmable Voltage and Current Sources

Programmable Attenuators

The low power consumption in normal operation make these

DACs ideally suited to portable battery-operated equipment.

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

reducing to 1 µW in all power-down modes.

FUNCTIONAL BLOCK DIAGRAM

AD5301/AD5311/AD5321

REF

SCL

SDA

INTERFACE

LOGIC

DAC

8-/10-/12-BIT

DAC

BUFFER

OUT

POWER-DOWN

LOGIC

A1*

RESISTOR

NETWORK

POWER-ON

RESET

GND

PD*

*AVAILABLE ON 8-LEAD VERSION ONLY

I²C is a registered trademark of Philips Corporation.

*Protected by U.S. Patent No. 5684481, other patent pending.

REV. 0

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

12 3 4 5 6 7...15

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与AD5301相关器件

型号	品牌	获取价格	描述	数据表
AD5301_07	ADI	获取价格	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo
AD5301_16	ADI	获取价格	2-Wire Interface, Voltage-Output 8-/10-/12-Bit DACs
AD5301BRM	ADI	获取价格	+2.5 V to +5.5 V, 120 uA, 2-Wire Interface, Voltage Output 8-/10-/12-Bit DACs
AD5301BRM-REEL	ADI	获取价格	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo
AD5301BRM-REEL7	ADI	获取价格	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo
AD5301BRMZ	ADI	获取价格	2-Wire Interface, Voltage-Output 8-/10-/12-Bit DACs
AD5301BRMZ1	ADI	获取价格	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo
AD5301BRMZ-REEL1	ADI	获取价格	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo
AD5301BRMZ-REEL7	ADI	获取价格	2-Wire Interface, Voltage-Output 8-/10-/12-Bit DACs
AD5301BRMZ-REEL71	ADI	获取价格	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo

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