Datasheet > AD5321(RM-8)

AD5321(RM-8)

更新时间： 2024-11-23 20:56:19

品牌	Logo	应用领域
亚德诺 - ADI		输入元件光电二极管转换器
页数	文件大小	规格书
24页	438K
描述
IC SERIAL INPUT LOADING, 8 us SETTLING TIME, 12-BIT DAC, PDSO8, MICRO, SOIC-8, Digital to Analog Converter

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AD5321(RM-8) 数据手册

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

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

AD5301/AD5311/AD5321

GENERAL DESCRIPTION

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 @ 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

The AD5301/AD5311/AD5321¹are 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 (I²C-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

parts 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 parts 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.

Reference derived from power supply

Power-on reset to 0 V

On-chip rail-to-rail output buffer amplifier

3 power-down functions

APPLICATIONS

Portable battery-powered instruments

Digital gain and offset adjustment

Programmable voltage and current sources

Programmable attenuators

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.

¹Protected by U.S. Patent No. 5684481.

FUNCTIONAL BLOCK DIAGRAM

AD5301/AD5311/AD5321

SCL

REF

SDA

DAC

8-/10-/12-BIT

DAC

BUFFER

INTERFACE

LOGIC

OUT

A1*

POWER-DOWN

LOGIC

RESISTOR

NETWORK

POWER-ON

RESET

GND

PD*

*AVAILABLE ON 8-LEAD VERSION ONLY

Figure 1.

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 registeredtrademarks arethe 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

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与AD5321(RM-8)相关器件

型号	品牌	获取价格	描述	数据表
AD5321(RT-6)	ADI	获取价格	IC SERIAL INPUT LOADING, 10 us SETTLING TIME, 12-BIT DAC, PDSO6, SOT-23, 6 PIN, Digital to
AD5321*	ADI	获取价格	+2.5 V to +5.5 V. 120 uA. 2-Wire Interface. Voltage Output 8-/10-/12-Bit DACs
AD5321BRM	ADI	获取价格	+2.5 V to +5.5 V, 120 uA, 2-Wire Interface, Voltage Output 8-/10-/12-Bit DACs
AD5321BRM-REEL	ADI	获取价格	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo
AD5321BRM-REEL7	ADI	获取价格	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo
AD5321BRMZ	ADI	获取价格	2.5 V to 5.5 V, 120 µA, 2-Wire Interface, Voltage-Output 12-Bit DAC
AD5321BRMZ1	ADI	获取价格	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo
AD5321BRMZ-REEL	ADI	获取价格	暂无描述
AD5321BRMZ-REEL1	ADI	获取价格	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo
AD5321BRMZ-REEL7	ROCHESTER	获取价格	SERIAL INPUT LOADING, 8 us SETTLING TIME, 12-BIT DAC, PDSO8, ROHS COMPLIANT, MO-187AA, MSO

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