ADT7317ARQ

更新时间： 2024-11-21 22:05:23

品牌	Logo	应用领域
亚德诺 - ADI		传感器换能器温度传感器输出元件
页数	文件大小	规格书
32页	334K
描述
SPI/I2C Compatible, 10-Bit Digital Temperature Sensor and Quad Voltage Output 12/10/8-Bit DAC

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数据手册
替代型号

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ADT7317ARQ 数据手册

PRELIMINARY TECHNICAL DATA

SPI/I²C Compatible, 10-Bit Digital Temperature

Preliminary Technical Data

Sensor and Quad Voltage Output 12/10/8-Bit DAC

ADT7316/7317/7318

FEATURES

GENERAL DESCRIPTION

ADT7316 - Four 12-Bit DACs

ADT7317 - Four 10-Bit DACs

ADT7318 - Four 8-Bit DACs

Buffered Voltage Output

The ADT7316/7317/7318 combines a 10-Bit Tempera-

ture-to-Digital Converter and a quad 12/10/8-Bit DAC

respectively, in a 16-Lead QSOP package. This includes a

bandgap temperature sensor and a 10-bit ADC to monitor

and digitize the temperature reading to a resolution of

0.25^oC. The ADT7316/17/18 operates from a single

+2.7V to +5.5V supply. The output voltage of the DAC

ranges from 0 V to 2V_REF, with an output voltage settling

time of typ 7 msec. The ADT7316/17/18 provides two

serial interface options, a four-wire serial interface which

is compatible with SPI^TM, QSPI^TM, MICROWIRE^TMand

DSP interface standards; and a two-wire I²C interface. It

features a standby mode that is controlled via the serial

interface.

Guaranteed Monotonic By Design Over All Codes

10-Bit Temperature to Digital Converter

Temperature range:

-40^oC to +125^oC

Temperature Sensor Accuracy of 0.5^oC

Supply Range : + 2.7 V to + 5.5 V

DAC Output Range: 0 - 2V_REF

Power-Down Current 1µA

Internal 2.25 V_RefOption

Double-BufferedInputLogic

Buffered / Unbuffered Reference Input Option

Power-on Reset to Zero Volts

Simultaneous Update of Outputs (LDAC Function)

On-Chip Rail-to-Rail Output Buffer Amplifier

The reference for the four DACs is derived either inter-

nally or from two reference pins (one per DAC pair) .The

outputs of all DACs may be updated simultaneously using

the software LDAC function or external LDAC pin. The

ADT7316/7317/7318 incorporates a power-on-reset cir-

cuit, which ensures that the DAC output powers-up to

zero volts and it remains there until a valid write takes

place.

I²C , SPI^TM, QSPI^TM, MICROWIRE^TMand DSP-Compatible 4-

wire Serial Interface

16-Lead QSOP Package

APPLICATIONS

Portable Battery Powered Instruments

Personal Computers

TelecommunicationsSystems

Electronic Test Equipment

Domestic Appliances

The ADT7316/7317/7318’s wide supply voltage range,

low supply current and SPI/I²C-compatible interface,

make it ideal for a variety of applications, including per-

sonal computers, office equipment and domestic appli-

ances.

Process Control

ADDRESS POINTER

ON-CHIP

TEMPERATURE

SENSOR

INTERNAL TEMPERATURE

VALUE REGISTER

STRING

DAC A

REGISTERS

V_OUT-A

T_HIGHLIMIT

REGISTERS

T_LOWLIMIT

V_DD

D+

D-

A-TO-D

CONVERTER

REGISTERS

ANALOG

MUX

LIMIT

COMPARATOR

DA C B

REGISTERS

STRING

DA C B

VALUE

V_OUT-B

V_DDLim it

REGISTERS

CONTROL CONFIG. 1

DAC C

REGISTERS

V_DD

STRING

DA C C

EXTERNAL TEMPERATURE

VALUE REGISTER

V_OUT-C

SENSOR

CONTROL CONFIG. 2

STRING

DA C D

DAC D

REGISTERS

V_OUT-D

CONTROL CONFIG. 3

DAC CONFIGURATION

GAIN

SELECT DOWN

LOGIC

POWER

ADT7316/17/18

LDAC CONFIGURATION

LOGIC

STATUS

REGISTERS

INTERRUPT MASK

REGISTERS

INTERRUPT

SMB us/SPI INTERFACE

INTERNAL TEMP

SENSOR

V_REF-CD

V_DD

GND

DOUT/ADD

V_REF-A B

LDAC

CS SCL/SCLK SDA/DIN

FUNCTIONAL BLOCK DIAGRAM

REV. PrN 02/02

I²C is a registered trademark of Philips Corporation

* Protected by U.S. Patent No. 5,969,657; other patents pending.

SPI and QSPI are trademarks of Motorola, INC.

MICROWIREisatrademarkofNationalSemiconductorCorporation.

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

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

otherwise under any patent or patent rights of Analog Devices.

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

Analog Devices, Inc., 2002

12 3 4 5 6 7...32

中文翻译

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ADT7317ARQ 替代型号

型号	品牌	替代类型	描述	数据表
ADT7317ARQZ-REEL	ADI	类似代替	Accurate Digital Temperature Sensor
ADT7317ARQZ	ADI	类似代替	Accurate Digital Temperature Sensor

与ADT7317ARQ相关器件

型号	品牌	获取价格	描述	数据表
ADT7317ARQ-REEL	ADI	获取价格	Accurate Digital Temperature Sensor
ADT7317ARQ-REEL7	ADI	获取价格	Accurate Digital Temperature Sensor
ADT7317ARQ-REEL7	ROCHESTER	获取价格	DIGITAL TEMP SENSOR-SERIAL, 10BIT(s), 5Cel, RECTANGULAR, SURFACE MOUNT, MO-137-AB, QSOP-16
ADT7317ARQZ	ADI	获取价格	Accurate Digital Temperature Sensor
ADT7317ARQZ	ROCHESTER	获取价格	DIGITAL TEMP SENSOR-SERIAL, 10BIT(s), 5Cel, RECTANGULAR, SURFACE MOUNT, LEAD FREE, MO-137-
ADT7317ARQZ-REEL	ADI	获取价格	Accurate Digital Temperature Sensor
ADT7317ARQZ-REEL7	ADI	获取价格	Accurate Digital Temperature Sensor
ADT7317ARU	ADI	获取价格	Switch/Digital Output Temperature Sensor, DIGITAL TEMP SENSOR-SERIAL, 10BIT(s), 3Cel, RECT
ADT7318	ADI	获取价格	SPI/I2C Compatible, 10-Bit Digital Temperature Sensor and Quad Voltage Output 12/10/8-Bit
ADT7318_15	ADI	获取价格	0.5C Accurate Digital Temperature Sensor and Quad Voltage Output 12-/10-/8-Bit DACs

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