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參數(shù)資料
| 型號： | AD7817 |
| 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(四通道,10位A/D轉(zhuǎn)換器) |
| 中文描述： | 10位ADC的片上溫度傳感器（四通道，10位的A / D轉(zhuǎn)換器） |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 230K |
| 代理商： | AD7817 |
AD7816/AD7817/AD7818
–5–
REV. 0
TIMING CHARACTERISTICS
1, 2
Parameter
A, B Versions
Units
μ
s max
μ
s max
μ
s max
ns min
ns max
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns max
ns max
ns max
ns max
ns max
ns min
ns min
Test Conditions/Comments
t
POWER-UP
t
1a
t
1b
t
2
t
3
t
4
t
5
t
6
t
7
t
8
t
9
t
10
t
11
t
123
t
133
t
14a3, 4
t
14b3, 4
t
15
t
16
t
17
2
9
27
20
50
0
0
10
10
40
40
0
0
20
20
30
30
150
40
400
Power-Up Time from Rising Edge of
CONVST
Conversion Time Channels 1 to 4
Conversion Time Temperature Sensor
CONVST
Pulsewidth
CONVST
Falling Edge to BUSY Rising Edge
CS
Falling Edge to RD/
WR
Falling Edge Setup Time
RD/
WR
Falling Edge to SCLK Falling Edge Setup
D
IN
Setup Time before SCLK Rising Edge
D
IN
Hold Time after SCLK Rising Edge
SCLK Low Pulsewidth
SCLK High Pulsewidth
CS
Falling Edge to RD/
WR
Rising Edge Setup Time
RD/
WR
Rising Edge to SCLK Falling Edge Setup Time
D
OUT
Access Time after RD/
WR
Rising Edge
D
OUT
Access Time after SCLK Falling Edge
D
OUT
Bus Relinquish Time after Falling Edge of RD/
WR
D
OUT
Bus Relinquish Time after Rising Edge of
CS
BUSY
Falling Edge to
OTI
Falling Edge
RD/
WR
Rising Edge to
OTI
Rising Edge
SCLK Rising Edge to
CONVST
Falling Edge (Acquisition Time of T/H)
NOTES
1
Sample tested during initial release and after any redesign or process change that may affect this parameter. All input signals are measured with tr = tf = 1ns (10% to
90% of +5 V) and timed from a voltage level of +1.6V.
2
See Figures 16, 17, 20 and 21.
3
These figures are measured with the load circuit of Figure 3. They are defined as the time required for D
OUT
to cross 0.8 V or 2.4 V for V
DD
= 5 V
±
10% and 0.4 V
or 2 V for V
= 3 V
±
10%, as quoted on the specifications page of this data sheet.
4
These times are derived from the measured time taken by the data outputs to change 0.5V when loaded with the circuit of Figure 3. The measured number is then
extrapolated back to remove the effects of charging or discharging the 50 pF capacitor. This means that the times quoted in the timing characteristics are the true bus
relinquish times of the part and as such are independent of external bus loading capacitances.
Specifications subject to change without notice.
1.6V
OL
200
m
A
200
m
A
I
OL
TO
OUTPUT
PIN
C
L
50pF
Figure 3. Load Circuit for Access Time and Bus Relinquish Time
(V
DD
= +2.7 V to +5.5 V, GND = 0V, REF
IN
= +2.5V. All specifications T
MIN
to T
MAX
unless
otherwise noted)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7817AR | 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 10-bit Serial 16-Pin SOIC N 制造商:Rochester Electronics LLC 功能描述:4 CH. ADC W/ON-CHIP TEMP SENSOR I.C. - Bulk 制造商:Analog Devices 功能描述:10BIT ADC 4 CH TEMP SENSOR 7817 |
| AD7817AR-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 10-bit Serial 16-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:4 CH. ADC W/ON-CHIP TEMP SENSOR I.C. - Tape and Reel |
| AD7817AR-REEL7 | 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 10-bit Serial 16-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:4 CH. ADC W/ON-CHIP TEMP SENSOR I.C. - Tape and Reel |
| AD7817ARU | 功能描述:IC ADC 10BIT W/TEMP SNSR 16TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)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(yīng)溫度:-55°C ~ 125°C，外部傳感器 精確度:±2°C 本地（最大），±3°C 遠(yuǎn)程（最大） 拓?fù)?ADC（三角積分型），比較器，寄存器庫 輸出類型:I²C?/SMBus? 輸出警報(bào):是 輸出風(fēng)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(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND |
| AD7817ARU-REEL | 功能描述:IC ADC 10BIT W/TEMP SNSR 16TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)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(yīng)溫度:-55°C ~ 125°C，外部傳感器 精確度:±2°C 本地（最大），±3°C 遠(yuǎn)程（最大） 拓?fù)?ADC（三角積分型），比較器，寄存器庫 輸出類型:I²C?/SMBus? 輸出警報(bào):是 輸出風(fēng)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(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND |
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