Datasheet > AD5757_11

AD5757_11

更新时间： 2022-10-08 17:20:32

品牌	Logo	应用领域
亚德诺 - ADI		功率控制
页数	文件大小	规格书
44页	1116K
描述
Quad Channel, 16-Bit,Serial Input, 4 mA to 20 mA Output DAC, Dynamic Power Control

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AD5757_11 数据手册

Quad Channel, 16-Bit,

Serial Input, 4 mA to 20 mA Output DAC,

Dynamic Power Control, HART Connectivity

AD5757

a dc-to-dc boost converter optimized for minimum on-chip

power dissipation.

FEATURES

16-bit resolution and monotonicity

Dynamic power control for thermal management

or external PMOS mode

Each channel has a corresponding CHART pin so that HART

signals can be coupled onto the current output of the AD5757.

Current output ranges: 0 mA to 20 mA, 4 mA to 20 mA,

or 0 mA to 24 mA

0.0ꢀ5 total unadjusted error ꢁTUEꢂ maximum

User programmable offset and gain

On-chip diagnostics

The part uses a versatile 3-wire serial interface that operates at

clock rates of up to 30 MHz and is compatible with standard

SPI, QSPI™, MICROWIRE™, DSP, and microcontroller interface

standards. The interface also features optional CRC-8 packet

error checking, as well as a watchdog timer that monitors

activity on the interface.

On-chip reference ꢁ 10 ppmꢃ/C maximumꢂ

−40/C to +10ꢀ/C temperature range

PRODUCT HIGHLIGHTS

APPLICATIONS

1. Dynamic power control for thermal management.

2. 16-bit performance.

3. Multichannel.

Process control

Actuator control

PLCs

4. HART compliant.

HART network connectivity

COMPANION PRODUCTS

GENERAL DESCRIPTION

Product Family: ADꢀ7ꢀꢀ-1, ADꢀ7ꢀꢀ

The AD5757 is a quad, current output DAC that operates with a

power supply range from 10.8 V to 33 V. On-chip dynamic

power control minimizes package power dissipation by regulat-

ing the voltage on the output driver from 7.4 V to 29.5 V using

External References: ADR44ꢀ, ADR02

Digital Isolators: ADuM1410, ADuM1411

Power: ADP2302, ADP2303

Additional companion products on the AD5757 product page

FUNCTIONAL BLOCK DIAGRAM

5.0V

AGND +15V

BOOST_x

7.4V TO 29.5V

DGND

LDAC

DC-TO-DC

CONVERTER

SCLK

SDIN

DIGITAL

INTERFACE

SYNC

OUT_x

SDO

CLEAR

FAULT

DAC A

SET_x

CURRENT AND

VOLTAGE

OUTPUT RANGE

SCALING

CHARTx

ALERT

AD1

GAIN REG A

OFFSET REG A

AD0

DAC CHANNEL A

REFOUT

REFIN

REFERENCE

DAC CHANNEL B

DAC CHANNEL C

DAC CHANNEL D

AD5757

NOTES

1. x = A, B, C, AND D.

Figure 1.

Rev. A

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

Fax: 781.461.3113

www.analog.com

12 3 4 5 6 7...44

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AD5757ACPZ	ADI	Quad Channel, 16-Bit,Serial Input, 4 mA to 20 mA Output DAC, Dynamic Power Control	获取价格
AD5757ACPZ-REEL7	ADI	Quad Channel, 16-Bit,Serial Input, 4 mA to 20 mA Output DAC, Dynamic Power Control	获取价格
AD5757X	ADI	Quad Channel, 16-Bit, Serial Input, 4-20mA Output DAC, Dynamic Power Control, HART Connect	获取价格
AD5758	ADI	Single-Channel, 16-Bit Current and Voltage Output DAC	获取价格
AD5758BCPZ-REEL	ADI	Single-Channel, 16-Bit Current and Voltage Output DAC	获取价格
AD5758BCPZ-RL7	ADI	Single-Channel, 16-Bit Current and Voltage Output DAC	获取价格

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