Datasheet > AD5700-1

AD5700-1

更新时间： 2024-11-05 07:18:51

品牌	Logo	应用领域
亚德诺 - ADI		调制解调器
页数	文件大小	规格书
20页	490K
描述
Low Power HART Modem

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中文翻译

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数据手册

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AD5700-1 数据手册

Low Power HART Modem

AD5700/AD5700-1

Data Sheet

FEATURES

GENERAL DESCRIPTION

HART-compliant fully integrated FSK modem

1200 Hz and 2200 Hz sinusoidal shift frequencies

115 μA maximum supply current in receive mode

Suitable for intrinsically safe applications

Integrated receive band-pass filter

Minimal external components required

Clocking optimized for various system configurations

Ultralow power crystal oscillator (60 μA maximum)

External CMOS clock source

Precision internal oscillator (AD5700-1 only)

Buffered HART output—extra drive capability

8 kV HBM ESD rating

2 V to 5.5 V power supply

1.71 V to 5.5 V interface

The AD5700/AD5700-1 are single-chip solutions, designed

and specified to operate as a HART® FSK half-duplex modem,

complying with the HART physical layer requirements. The

AD5700/AD5700-1 integrate all of the necessary filtering, signal

detection, modulating, demodulating and signal generation

functions, thus requiring few external components. The 0.5%

precision internal oscillator on the AD5700-1 greatly reduces

the board space requirements, making it ideal for line-powered

applications in both master and slave configurations. The maxi-

mum supply current consumption is 115 μA, making the AD5700/

AD5700-1 an optimal choice for low power loop-powered applica-

tions. Transmit waveforms are phase continuous 1200 Hz and

2200 Hz sinusoids. The AD5700/AD5700-1 contain accurate

carrier detect circuitry and use a standard UART interface.

−40°C to +125°C operation

4 mm × 4 mm LFCSP package

HART physical layer compliant

UART interface

Table 1. Related Products

Part No.

Description

AD5755-1

Quad-channel, 16-bit, serial input, 4 mA to 20 mA and

voltage output DAC, dynamic power control, HART

connectivity

APPLICATIONS

Field transmitters

AD5421

16-bit, serial input, loop powered, 4 mA to 20 mA DAC

AD5410/

AD5420

AD5412/

AD5422

Single-channel, 12-bit/16-bit, serial input, 4 mA to 20 mA

current source DACs

Single-channel, 12-bit/16-bit, serial input, current

source and voltage output DACs

HART multiplexers

PLC and DCS analog I/O modules

HART network connectivity

FUNCTIONAL BLOCK DIAGRAM

CLKOUT XTAL1 XTAL2 XTAL_EN

REG_CAP

IOV

OSC

AD5700/AD5700-1

DUPLEX

BUFFER

FSK

DAC

HART_OUT

MODULATOR

RXD

TXD

RTS

ADC_IP

BAND-PASS

FILTER AND

BIASING

FSK

DEMODULATOR

ADC

HART_IN

CLK_CFG0

CLK_CFG1

VOLTAGE

REFERENCE

RESET

DGND

REF REF_EN

AGND

FILTER_SEL

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...20

中文翻译

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与AD5700-1相关器件

型号	品牌	获取价格	描述	数据表
AD5700-1ACPZ-RL7	ADI	获取价格	Low Power HART Modem
AD5700-1BCPZ	ADI	获取价格	Evaluation Board for FSK AD5700/AD5700-1 HART Modem
AD5700-1BCPZ-R5	ADI	获取价格	Low Power HART Modem
AD5700-1BCPZ-RL7	ADI	获取价格	Low Power HART Modem
AD5700ACPZ-RL7	ADI	获取价格	Low Power HART Modem
AD5700BCPZ-R5	ADI	获取价格	Low Power HART Modem
AD5700BCPZ-RL7	ADI	获取价格	Low Power HART Modem
AD570J	ADI	获取价格	Complete 8-Bit A-to-D Converter
AD570JCHIPS	ADI	获取价格	IC IC,A/D CONVERTER,SINGLE,8-BIT,BIPOLAR,DIE, Analog to Digital Converter
AD570JD	ADI	获取价格	Complete 8-Bit A-to-D Converter

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