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參數資料
| 型號： | ADT7317ARU |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 10BIT(s), 3Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | QSOP-16 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 279K |
| 代理商： | ADT7317ARU |
ADT7316/7317/7318
=
REV. PrH 07/’01
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2001
SPI/I
2CR Compatible, 10-Bit Digital Temperature
Sensor and Quad Voltage Output 12/10/8-Bit DAC
Preliminary Technical Data
PRELIMINARY TECHNICAL DATA
FEATURES
ADT7316 - Four 12-Bit DACs
ADT7317 - Four 10-Bit DACs
ADT7318 - Four 8-Bit DACs
Buffered Voltage Output
Guaranteed Monotonic By Design Over All Codes
10-Bit Temperature to Digital Converter
Temperature range:
-40
oC to +125oC
Temperature Sensor Accuracy of ±2oC
Supply Range : + 2.7 V to + 5.5 V
DAC Output Range: 0 - VREF
Power-Down Current 1
A
Internal 2.25 VRef Option
Double-Buffered Input Logic
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
I2C, SPITM, QSPITM, MICROWIRETM and DSP-Compatible 5-
wire Serial Interface
16-Lead TSSOP Package
APPLICATIONS
Portable Battery Powered Instruments
Personal Computers
Telecommunications Systems
Electronic Test Equipment
Domestic Appliances
Process Control
GENERAL DESCRIPTION
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
+2.7 V to + 5.5 V supply. The output voltage of the DAC
ranges from 0 V to VDD , 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, QSPITM, MICROWIRETM and
DSP interface standards; and a two-wire I
2C interface. It
features a standby mode that is controlled via the serial
interface.
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.
The ADT7316/7317/7318’s wide supply voltage range,
low supply current and SPI/I
2C-compatible interface,
make it ideal for a variety of applications, including per-
sonal computers, office equipment and domestic appli-
ances.
I
2C 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.
MICROWIRE is a trademark of National Semiconductor Corporation.
FUNCTIONAL BLOCK DIAGRAM
V
RE F
AB
PO W ER-DO W N
LOGIC
GA IN -
SE LE CT
LO GI C
A/D
CONV ER TER
CONF IG .
R EG IST ER
MASK
T
HIGH
STA T U S
T
LO W
ON -C HIP
TE M P .
SEN SOR
AN ALO G
MU X
T EM P VALU E
R E GI ST ER
LIMI T
C O MPAR ATO R
ADD R ESS
R EG ISTER
IN P U T & D A C
R EG I ST ER
IN PU T & D A C
R EG IST ER
INPU T & DA C
R E GI ST ER
IN P U T & D A C
REG I STE R
S TRING
DA C A
ST RING
DA C B
S TRING
DA C C
INTE RNA L
RE FE RENCE
INTE RFA C E
LOG I C
D+
D-
CS
LD A C
SDA / D
IN
D
OU T
/A D D
GN D
AL ERT /OTI
V
REF
CD
V
OU T
A
V
OU T
B
V
OU T
D
V
OU T
C
L DAC
V
DD
SC L / SC L K
B U FFE R
BU FF ER
B U FFE R
2. 25 V V
RE F
2.25 V V
RE F
ST R IN G
DA C D
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADT7318 | 制造商:AD 制造商全稱:Analog Devices 功能描述:SPI/I2C Compatible, 10-Bit Digital Temperature Sensor and Quad Voltage Output 12/10/8-Bit DAC |
| ADT7318ARQ | 制造商:Analog Devices 功能描述:Digital Temperature Sensor 16-Pin QSOP |
| ADT7318ARQ-REEL | 制造商:Analog Devices 功能描述:Digital Temperature Sensor 16-Pin QSOP T/R 制造商:Analog Devices 功能描述:DGTL TEMP SENSOR 16QSOP - Tape and Reel |
| ADT7318ARQ-REEL7 | 制造商:Analog Devices 功能描述:Digital Temperature Sensor 16-Pin QSOP T/R |
| ADT7318ARQZ | 功能描述:IC SENSOR TEMP QUAD DAC 16QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標準包裝:2,500 系列:SilentSense™ 功能:溫度監控系統（傳感器） 傳感器類型:內部和外部 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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