tSC 50 ns Conversion Tim" />
參數(shù)資料
型號: AD678KD
廠商: Analog Devices Inc
文件頁數(shù): 9/14頁
文件大?。?/td> 0K
描述: IC ADC 12BIT SAMPLING 28-CDIP
標準包裝: 1
位數(shù): 12
采樣率(每秒): 200k
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 745mW
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: 0°C ~ 70°C
安裝類型: 通孔
封裝/外殼: 28-CDIP(0.605",15.37mm)
供應商設(shè)備封裝: 28-CDIP
包裝: 管件
輸入數(shù)目和類型: 1 個單端,單極;1 個單端,雙極
AD678
REV. C
–4–
TIMING SPECIFICATIONS
Parameter
Symbol
Min
Max
Units
SC Delay
tSC
50
ns
Conversion Time
tC
3.0
4.4
s
Conversion Rate
l
tCR
5
s
Convert Pulsewidth
tCP
97
ns
Aperture Delay
tAD
520
ns
Status Delay
tSD
0
400
ns
Access Time
2, 3
tBA
10
100
ns
10
57
4
ns
Float Delay
5
tFD
10
80
ns
Output Delay
tOD
0ns
Format Setup
tFS
47
ns
OE Delay
tOE
0ns
Read Pulsewidth
tRP
97
ns
Conversion Delay
tCD
150
ns
EOCEN Delay
tEO
0ns
NOTES
1Includes acquisition time.
2Measured from the falling edge of
OE/EOCEN (0.8 V) to the time at which the data lines/EOC cross 2.0 V or 0.8 V. See Figure 3.
3C
OUT = 100 pF.
4C
OUT = 50 pF.
5Measured from the rising edge of
OE/EOCEN (2.0 V) to the time at which the output voltage changes by 0.5 V. See Figure 3; C
OUT = 10 pF.
Specifications subject to change without notice.
(All grades, TMIN to TMAX, VCC = +12 V
5%, VEE = –12 V
5%, VDD = +5 V
10% unless
otherwise noted)
Figure 1. Conversion Timing
Figure 2. EOC Timing
Figure 3. Load Circuit for Bus Timing Specifications
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