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參數(shù)資料
| 型號(hào)： | AD7816 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | 10-Bit ADCs with On-Chip Temperature Sensor(10位A/D轉(zhuǎn)換器) |
| 中文描述： | 10位ADC的片上溫度傳感器（10位的A / D轉(zhuǎn)換器） |
| 文件頁(yè)數(shù)： | 13/16頁(yè) |
| 文件大小： | 230K |
| 代理商： | AD7816 |
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AD7816/AD7817/AD7818
–13–
REV. 0
DB0 – DB7
DB0 - DB7(DB9)
D
OUT
CONVST
SCLK
BUSY
CS
RD/
WR
D
IN
OTI
t
2
t
1
t
17
t
15
t
16
t
3
Figure 16. Mode 1 Operation
TIME – secs
T
8
C
0.8
–0.010
16
4
6
10
12
0.5
0.2
0.7
0.4
0.0
AIR
0.6
0.3
0.1
2
8
14
FLUID
HEATSINK
Figure 14. Self-Heating Effect in Air, Fluid and in Thermal
Contact with a Heatsink
TIME – secs
T
8
C
0.25
–0.05
0.0
2.0
0.5
1.5
0.15
0.05
0.10
0.00
AIR
1.0
FLUID
HEATSINK
0.20
Figure 15. Self-Heating Effect in Air, Fluid and in Thermal
Contact with a Heatsink
OPERATING MODES
The AD7816, AD7817 and AD7818 have two possible modes
of operation depending on the state of the
CONVST
pulse at
the end of a conversion.
Mode 1
In this mode of operation the
CONVST
pulse is brought high
before the end of a conversion, i.e., before the BUSY goes low
(see Figure 16). When operating in this mode a new conversion
should not be initiated until 100 ns after the end of a serial read
operation. This quiet time is to allow the track/hold to accu-
rately acquire the input signal after a serial read.
Mode 2
When the AD7816, AD7817 and AD7818 are operated in Mode 2
(see Figure 17), they automatically power down at the end of a
conversion. The
CONVST
is brought low to initiate a conver-
sion and is left logic low until after the end of the conversion.
At this point, i.e., when BUSY goes low, the devices will power-
down. The devices are powered up again on the rising edge of
the
CONVST
signal. Superior power performance can be
achieved in this mode of operation by powering up the AD7816,
AD7817 and AD7818 only to carry out a conversion (see Power
vs. Throughput section).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7816-7818 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single- and 4-Channel, 9 us, 10-Bit ADCs with On-Chip Temperature Sensor |
| AD7816ACHIPS | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single- and 4-Channel, 9 us, 10-Bit ADCs with On-Chip Temperature Sensor |
| AD7816AR | 制造商:Analog Devices 功能描述:Analog Temperature Sensors 8-Pin SOIC N 制造商:Rochester Electronics LLC 功能描述:TEMP SENSOR I.C. - Bulk 制造商:Analog Devices 功能描述:ADC TEMP SENSOR SMD 7816 SOIC8 |
| AD7816ARM | 制造商:Analog Devices 功能描述:Analog Temperature Sensors 8-Pin MSOP 制造商:Rochester Electronics LLC 功能描述:TEMPERATURE SENSOR: 10-BIT ADC, TEMPERATURE MONITORING ONLY - Bulk |
| AD7816ARM-REEL | 制造商:Analog Devices 功能描述:Analog Temperature Sensors 8-Pin MSOP T/R 制造商:Rochester Electronics LLC 功能描述:TEMPERATURE SENSOR: 10-BIT ADC, TEMPERATURE MONITORING ONLY - Tape and Reel |
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