AD7418ARM-REEL

更新时间： 2024-11-19 22:49:59

品牌	Logo	应用领域
亚德诺 - ADI		转换器模数转换器传感器温度传感器光电二极管
页数	文件大小	规格书
20页	291K
描述
10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418)

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替代型号

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AD7418ARM-REEL 数据手册

10-Bit Digital Temperature Sensor (AD7416) and

Four Single-Channel ADCs (AD7417/AD7418)

AD7416/AD7417/AD7418

FEATURES

FUNCTIONAL BLOCK DIAGRAMS

10-Bit ADC with 15 ␮s and 30 ␮s Conversion Times

Single and Four Single-Ended Analog Input Channels

On-Chip Temperature Sensor: –40؇C to +125؇C

On-Chip Track-and-Hold

10-BIT

ANALOG-DIGITAL

CONVERTER

BAND GAP

TEMPERATURE

SENSOR

AD7416

Overtemperature Indicator

TEMPERATURE

VALUE

Automatic Power-Down at the End of a Conversion

Wide Operating Supply Range: 2.7 V to 5.5 V

I²C^®Compatible Serial Interface

Selectable Serial Bus Address Allows Connection of up

to Eight AD7416/AD7417s to a Single Bus

AD7416 Is a Superior Replacement for LM75

SETPOINT

COMPARATOR

SETPOINT

OTI

ADDRESS

POINTER

SETPOINT

HYST

OTI

FAULT

QUEUE

COUNTER

CONFIGURATION

GND

SDA

APPLICATIONS

Data Acquisition with Ambient Temperature Monitoring

Industrial Process Control

Automotive

SERIAL BUS

INTERFACE

SCL

Battery-Charging Applications

Personal Computers

REF

GENERAL DESCRIPTION

A > B

OTI

OVERTEMP REG

The AD7417 and AD7418 are 10-bit, 4-channel and single-

channel ADCs with an on-chip temperature sensor that

can operate from a single 2.7 V to 5.5 V power supply. The

devices contain a 15 µs successive approximation converter, a

5-channel multiplexer, a temperature sensor, a clock oscilla-

tor, a track-and-hold, and a reference (2.5 V). The AD7416

is a temperature-monitoring only device in an 8-lead package.

TEMP

SENSOR

CHARGE

DISTRIBUTION

DAC

DATA OUT

REF

2.5V

SCL

SDA

CONTROL

LOGIC

IN1

CLOCK

I C

INTERFACE

SAMPLING

CAPACITOR

IN2

The temperature sensor on the parts can be accessed via multi-

plexer Channel 0. When Channel 0 is selected and a conversion

is initiated, the resulting ADC code at the end of the conversion

gives a measurement of the ambient temperature ( 1°C @ 25°C).

On-chip registers can be programmed with high and low tem-

perature limits, and an open-drain overtemperature indicator

(OTI) output is provided, which becomes active when a pro-

grammed limit is exceeded.

MUX

IN3

IN4

AD7417

BALANCE

NC NC GND

NC = NO CONNECT

CONVST

REF

A configuration register allows programming of the sense of the

OTI output (active high or active low) and its operating mode

(comparator or interrupt). A programmable fault queue counter

allows the number of out-of-limit measurements that must occur

before triggering the OTI output to be set to prevent spurious

triggering of the OTI output in noisy environments.

(continued on page 7)

A > B

OVERTEMP REG

OTI

TEMP

SENSOR

REF

2.5V

CHARGE

DISTRIBUTION

DAC

DATA OUT

MUX

IN1

SCL

SDA

CONTROL

LOGIC

CLOCK

I C

INTERFACE

SAMPLING

CAPACITOR

AD7418

BALANCE

REV. G

GND

CONVST

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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AD7418ARM-REEL 替代型号

型号	品牌	替代类型	描述	数据表
AD7418ARM-REEL7	ADI	完全替代	10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418)
AD7418ARM	ADI	完全替代	10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418)
AD7418ARMZ	ADI	类似代替	10-Bit Digital Temperature Sensor (AD7416) and Four Single-Channel ADCs

与AD7418ARM-REEL相关器件

型号	品牌	获取价格	描述	数据表
AD7418ARM-REEL7	ADI	获取价格	10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418)
AD7418ARMZ	ADI	获取价格	10-Bit Digital Temperature Sensor (AD7416) and Four Single-Channel ADCs
AD7418ARMZ-REEL	ADI	获取价格	10-Bit Digital Temperature Sensor (AD7416) and Four Single-Channel ADCs
AD7418ARMZ-REEL7	ADI	获取价格	10-Bit Digital Temperature Sensor (AD7416) and Four Single-Channel ADCs
AD7418AR-REEL	ADI	获取价格	10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418)
AD7418AR-REEL7	ADI	获取价格	10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418)
AD7418ARUZ	ADI	获取价格	10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418)
AD7418ARUZ-REEL	ADI	获取价格	10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418)
AD7418ARUZ-REEL7	ADI	获取价格	10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418)
AD7418ARZ	ADI	获取价格	10-Bit Digital Temperature Sensor (AD7416) and Four Single-Channel ADCs

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