AD5305

更新时间： 2024-11-25 22:53:27

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	410K
描述
2.5 V to 5.5 V, 500 uA, 2-Wire Interface Quad Voltage Output, 8-/10-/12-Bit DACs

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AD5305 数据手册

2.5 V to 5.5 V, 500 ␮A, 2-Wire Interface

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

AD5305/AD5315/AD5325^*

FEATURES

GENERAL DESCRIPTION

AD5305: 4 Buffered 8-Bit DACs in 10-Lead MSOP

A Version: ؎1 LSB INL, B Version: ؎0.625 LSB INL

AD5315: 4 Buffered 10-Bit DACs in 10-Lead MSOP

A Version: ؎4 LSB INL, B Version: ؎2.5 LSB INL

AD5325: 4 Buffered 12-Bit DACs in 10-Lead MSOP

A Version: ؎16 LSB INL, B Version: ؎10 LSB INL

Low Power Operation: 500 ␮A @ 3 V, 600 ␮A @ 5 V

2-Wire (I²C^®Compatible) Serial Interface

2.5 V to 5.5 V Power Supply

Guaranteed Monotonic by Design over All Codes

Power-Down to 80 nA @ 3 V, 200 nA @ 5 V

Three Power-Down Modes

Double-Buffered Input Logic

Output Range: 0 V to V_REF

The AD5305/AD5315/AD5325 are quad 8-, 10-, and 12-bit

buffered voltage output DACs in a 10-lead MSOP that operate

from a single 2.5 V to 5.5 V supply, consuming 500 µA at 3 V.

Their on-chip output ampliﬁers allow rail-to-rail output swing

with a slew rate of 0.7 V/µs. A 2-wire serial interface, which

operates at clock rates up to 400 kHz, is used. This interface is

SMBus compatible at V_DD< 3.6 V. Multiple devices can be

placed on the same bus.

The references for the four DACs are derived from one reference

pin. The outputs of all DACs may be updated simultaneously

using the software LDAC function. The parts incorporate a

power-on reset circuit, which ensures that the DAC outputs power

up to 0 V and remain there until a valid write takes place to the

device. There is also a software clear function that resets all input

and DAC registers to 0 V. The parts contain a power-down

feature that reduces the current consumption of the devices to

200 nA @ 5 V (80 nA @ 3 V).

Power-On Reset to 0 V

Simultaneous Update of Outputs (LDAC Function)

Software Clear Facility

Data Readback Facility

The low power consumption of these parts in normal operation

makes them ideally suited to portable battery-operated equipment.

The power consumption is 3 mW at 5 V, 1.5 mW at 3 V, reducing

to 1 µW in power-down mode.

On-Chip Rail-to-Rail Output Buffer Ampliﬁers

Temperature Range –40؇C to +105؇C

APPLICATIONS

Portable Battery-Powered Instruments

Digital Gain and Offset Adjustment

Programmable Voltage and Current Sources

Programmable Attenuators

Industrial Process Control

FUNCTIONAL BLOCK DIAGRAM

REF IN

LDAC

DAC

INPUT

STRING

DAC A

BUFFER

OUT

DAC

INPUT

SCL

SDA

STRING

DAC B

INTERFACE

LOGIC

DAC

INPUT

STRING

DAC C

BUFFER

DAC

INPUT

STRING

DAC D

POWER-DOWN

LOGIC

POWER-ON

RESET

AD5305/AD5315/AD5325

GND

*Protected by U.S.Patent No. 5,969,657and 5,684,481.

REV. F

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. 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

Fax: 781/326-8703

www.analog.com

12 3 4 5 6 7...20

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与AD5305相关器件

型号	品牌	获取价格	描述	数据表
AD5305_06	ADI	获取价格	2.5 V to 5.5 V, 500 Î¼A, 2-Wire Interface Int
AD5305ARM	ADI	获取价格	2.5 V to 5.5 V, 500 uA, 2-Wire Interface Quad Voltage Output, 8-/10-/12-Bit DACs
AD5305ARM-REEL7	ADI	获取价格	2.5 V to 5.5 V, 500 uA, 2-Wire Interface Quad Voltage Output, 8-/10-/12-Bit DACs
AD5305ARMZ1	ADI	获取价格	2.5 V to 5.5 V, 500 muA, 2-Wire Interface Quad Voltage Output, 8-/10-/12-Bit DACs
AD5305ARMZ-REEL71	ADI	获取价格	2.5 V to 5.5 V, 500 muA, 2-Wire Interface Quad Voltage Output, 8-/10-/12-Bit DACs
AD5305BRM	ADI	获取价格	2.5 V to 5.5 V, 500 uA, 2-Wire Interface Quad Voltage Output, 8-/10-/12-Bit DACs
AD5305BRM-REEL	ADI	获取价格	2.5 V to 5.5 V, 500 uA, 2-Wire Interface Quad Voltage Output, 8-/10-/12-Bit DACs
AD5305BRM-REEL7	ADI	获取价格	2.5 V to 5.5 V, 500 uA, 2-Wire Interface Quad Voltage Output, 8-/10-/12-Bit DACs
AD5305BRMZ	ADI	获取价格	2.5 V to 5.5 V, 500 muA, 2-Wire Interface Quad Voltage Output, 8-/10-/12-Bit DACs
AD5305BRMZ1	ADI	获取价格	2.5 V to 5.5 V, 500 Î¼A, 2-Wire Interface Int

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