參數(shù)資料
型號: ADC78H90CIMTX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: ADC
英文描述: 8-Channel, 500 kSPS, 12-Bit A/D Converter
中文描述: 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16
封裝: TSSOP-16
文件頁數(shù): 5/14頁
文件大?。?/td> 371K
代理商: ADC78H90CIMTX
5
www.national.com/JPN/
A
ADC78H89
AV
DD
DV
DD
2.7V
T
A
5.25V
f
SCLK
8MHz C
L
50pF
T
A
T
MIN
T
MAX
25
Note 4:
t
1a
t
1b
CS
(HIGH
LOW)
Symbol
Parameter
Conditions
Typical
Limits
Units
t
CONVERT
13
SCLK Cycles
t
ACQ
Acquisition Time; Throughput Time
t
CONVERT
t
ACQ
16 x t
SCLK
3
SCLK Cycles
t
1a
t
1b
High SCLK Setup to Falling CS
(Note 4)
10
ns(min)
Low SCLK Hold to Falling CS
(Note 4)
10
ns(min)
t
2
Delay from CS Until DOUT
TRI-STATE
Disabled
30
ns(max)
t
3
Data Access Time after SCLK
Falling Edge
30
ns(max)
t
4
Data Setup Time Prior to SCLK
Rising Edge
10
ns(max)
t
5
t
6
Data Valid SCLK Hold Time
10
ns(max)
SCLK High Pulse Width
SCLK
0.4 x t
SCLK
ns(min)
t
7
SCLK Low Pulse Width
ns(min)
t
8
CS Rising Edge to DOUT
High-Impedance
20
ns(max)
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