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| 型號： | AD7417 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Four Channel ADC(四通道A/D轉(zhuǎn)換器) |
| 中文描述： | 四通道ADC（四通道的A / D轉(zhuǎn)換器） |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 203K |
| 代理商： | AD7417 |
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.
a
10-Bit Dgital TemperatureSensor (AD7416) and
Single/Four-Channe ADC (AD7417/18)
AD7416/AD7417/AD7418
Analog Devices, Inc., 1995
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FEATURES
10-Bit ADC with 15us Conversion Time
Single (AD7418) and Four (AD7417) Single-ended Analog
Input Channels: AD7416 is a Temperature Measurement
Device Only
On-Chip Temperature Sensor: -55°C to 125°C
Over-Temperature Indicator
Automatic Power Down at the end of a Conversion
Wide Operating Supply Range: 2.7V to 5.5V
I
2
C Compatible Serial Interface with Selectable Serial Bus
Address Allows up to 8 AD7416/AD7417s on a Single Bus
AD7416 is a Superior Replacement for LM75
APPLICATIONS
Data Acquisition with Ambient Temperature Monitoring
Industrial Process Control
Automotive
Battery Charging Applications
Personal Computers
F UNC T IONAL BL OC K D IAGRAM
GENERAL DESCRIPT ION
T he AD7417 and AD7418 are 10-Bit, single and four-
channel A/D Converters with an On-Chip T emperature
Sensor that can operate from a single 2.7V to 5.5V power
supply. T he devices contain a 15μs successive-
approximation converter, a 5-Channel Multiplexer, a
T emperature Sensor, a Clock Oscillator, a T rack/Hold
and a Reference (2.5V). T he AD7416 is a temperature
monitoring only device in an 8-pin package.
T he T emperature Sensor on the parts can be accessed via
multiplexer channel 0. When channel 0 is selected and a
conversion initiated, the resulting ADC code gives a
measurement of the ambient temperature (±1°C @ 25°C).
On-chip registers can be programmed with high and low
temperature limits, and an open-drain Over T emperature
Indicator output (OT I) is provided, which becomes active
when a programmed limit is exceeded.
An I
2
C-compatible serial interface allows the AD7416/17/
18 registers to be written to and read back. T he three
LSBs of the AD7416/17’s serial bus address can be
selected, which allows up to 8 AD7416/17s to be
connected to a single bus.
T he AD7417 is available in a Narrow Body 0.15'' 16 Lead
mall Outline IC (SOIC) and in a 16 Lead, T hin Shrink
Small Outline Package (T SSOP). T he AD7416 and
AD7418 are available in SOIC and 8-lead MicroSmall
Outline (uSOIC ).
PROD U C T H IG H L IG H T S
1. On-Chip T emperature Sensor for accurate
measurement of the ambient temperature (±1°C @
25C, ±2°C over temperature). T he measurable
temperature range is -55°C to +125°C.
2. Space saving 10-Bit A/D solution with four voltage
input channels, a T emperature Sensor, Reference and
C lock Oscillator.
3. Automatic Power Down and Programmable Shutdown
features enable superior power performance.
Prelimnary Technical Data
REV. PrC 10/98
I
2
C is a Registered T rademark of Philips Corporation
REFIN
NC
VIN1
VIN2
VIN3
VIN4
SAMPLING
CAPACITOR
CONTROL
LOGIC
GND
OTI
CONVST
REF
2.5V
MUX
CHARGE
REDISTRIBUTION
DAC
VBALANCE
TEMP
SENSOR
VDD
OVER TEMP REG
A
B
DATA OUT
A > B
SDA
SDL
A0
A1
A2
I2C
INTERFACE.
NC
CLOCK
AD7417
AGND
CLOCK
SAMPLING
CAPACITOR
CONTROL
LOGIC
I2C
INTERFACE.
OTI
SDA
REF
2.5V
MUX
CHARGE
REDISTRIBUTION
DAC
VBALANCE
TEMP
SENSOR
VDD
DATA OUT
OVER TEMP REG
A
B
A > B
SDL
A0
A1
A2
AD7416
AGND
VIN1
SAMPLING
CAPACITOR
CONTROL
LOGIC
DATA OUT
OTI
CONVST
REF
2.5V
MUX
CHARGE
REDISTRIBUTION
DAC
OVER TEMP REG
VBALANCE
TEMP
SENSOR
VDD
A
B
A > B
I2C
INTERFACE.
SDA
SDL
CLOCK
REFIN
AD7418
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| AD7417ACHIPS | 制造商:AD 制造商全稱:Analog Devices 功能描述:10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418) |
| AD7417AR | 功能描述:IC ADC 10BIT 2.7V 4CH 16-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標準包裝:2,500 系列:SilentSense™ 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類型:內(nèi)部和外部 感應溫度:-55°C ~ 125°C，外部傳感器 精確度:±2°C 本地（最大），±3°C 遠程（最大） 拓撲:ADC（三角積分型），比較器，寄存器庫 輸出類型:I²C?/SMBus? 輸出警報:是 輸出風扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND |
| AD7417AR | 制造商:Analog Devices 功能描述:SEMICONDUCTOR IC |
| AD7417AR-REEL | 功能描述:IC ADC 4CH W/TEMP SENSOR 16-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標準包裝:2,500 系列:SilentSense™ 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類型:內(nèi)部和外部 感應溫度:-55°C ~ 125°C，外部傳感器 精確度:±2°C 本地（最大），±3°C 遠程（最大） 拓撲:ADC（三角積分型），比較器，寄存器庫 輸出類型:I²C?/SMBus? 輸出警報:是 輸出風扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND |
| AD7417AR-REEL7 | 功能描述:IC ADC 4CH W/TEMP SENSOR 16-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標準包裝:2,500 系列:SilentSense™ 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類型:內(nèi)部和外部 感應溫度:-55°C ~ 125°C，外部傳感器 精確度:±2°C 本地（最大），±3°C 遠程（最大） 拓撲:ADC（三角積分型），比較器，寄存器庫 輸出類型:I²C?/SMBus? 輸出警報:是 輸出風扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND |
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