參數(shù)資料
型號: AD7686BCPZRL7
廠商: Analog Devices Inc
文件頁數(shù): 24/28頁
文件大?。?/td> 0K
描述: IC ADC 16BIT 500KSPS 10-LFCSP
標準包裝: 1
系列: PulSAR®
位數(shù): 16
采樣率(每秒): 500k
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 21.5mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 10-WFDFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 10-LFCSP-WD(3x3)
包裝: 標準包裝
輸入數(shù)目和類型: 1 個偽差分,單極
其它名稱: AD7686BCPZRL7DKR
AD7686
Rev. B | Page 5 of 28
TIMING SPECIFICATIONS
40°C to +85°C, VDD = 4.5 V to 5.5 V, VIO = 2.3 V to 5.5 V or VDD + 0.3 V, whichever is the lowest, unless otherwise stated.
See Figure 3 and Figure 4 for load conditions.
Table 4.
Parameter
Symbol
Min
Typ
Max
Unit
Conversion Time: CNV Rising Edge to Data Available
tCONV
0.5
1.6
μs
Acquisition Time
tACQ
400
ns
Time Between Conversions
tCYC
2
μs
CNV Pulse Width ( CS Mode)
tCNVH
10
ns
SCK Period (CS Mode)
tSCK
15
ns
SCK Period (Chain Mode)
tSCK
VIO Above 4.5 V
17
ns
VIO Above 3 V
18
ns
VIO Above 2.7 V
19
ns
VIO Above 2.3 V
20
ns
SCK Low Time
tSCKL
7
ns
SCK High Time
tSCKH
7
ns
SCK Falling Edge to Data Remains Valid
tHSDO
5
ns
SCK Falling Edge to Data Valid Delay
tDSDO
VIO Above 4.5 V
14
ns
VIO Above 3 V
15
ns
VIO Above 2.7 V
16
ns
VIO Above 2.3 V
17
ns
CNV or SDI Low to SDO D15 MSB Valid (CS Mode)
tEN
VIO Above 4.5 V
15
ns
VIO Above 2.7 V
18
ns
VIO Above 2.3 V
22
ns
CNV or SDI High or Last SCK Falling Edge to SDO High Impedance (CS Mode)
tDIS
25
ns
SDI Valid Setup Time from CNV Rising Edge (CS Mode)
tSSDICNV
15
ns
SDI Valid Hold Time from CNV Rising Edge (CS Mode)
tHSDICNV
0
ns
SCK Valid Setup Time from CNV Rising Edge (Chain Mode)
tSSCKCNV
5
ns
SCK Valid Hold Time from CNV Rising Edge (Chain Mode)
tHSCKCNV
5
ns
SDI Valid Setup Time from SCK Falling Edge (Chain Mode)
tSSDISCK
3
ns
SDI Valid Hold Time from SCK Falling Edge (Chain Mode)
tHSDISCK
4
ns
SDI High to SDO High (Chain Mode with Busy Indicator)
tDSDOSDI
VIO Above 4.5 V
15
ns
VIO Above 2.3 V
26
ns
500A
IOL
500A
IOH
1.4V
TO SDO
CL
50pF
0
296
9-
0
03
Figure 3. Load Circuit for Digital Interface Timing
30% VIO
70% VIO
2V OR VIO – 0.5V1
0.8V OR 0.5V2
2V OR VIO – 0.5V1
tDELAY
02
96
9
-00
4
12V IF VIO ABOVE 2.5V, VIO – 0.5V IF VIO BELOW 2.5V.
20.8V IF VIO ABOVE 2.5V, 0.5V IF VIO BELOW 2.5V.
Figure 4. Voltage Levels for Timing
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