參數(shù)資料
型號: AD7722ASZ
廠商: Analog Devices Inc
文件頁數(shù): 21/24頁
文件大小: 0K
描述: IC ADC 16BIT 195KSPS 44-MQFP
標準包裝: 1
位數(shù): 16
采樣率(每秒): 220k
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 375mW
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: 44-QFP
供應(yīng)商設(shè)備封裝: 44-MQFP(10x10)
包裝: 托盤
輸入數(shù)目和類型: 1 個差分,單極;1 個差分,雙極
REV. B
–6–
AD7722
ZERO FOR LAST 16 SCO CYCLES
VALID DATA FOR 16 SCO CYCLES
VALID
CLKIN
SCO
(CFMT = 0)
FSO
(SFMT = 0)
SCO
32 SCO CYCLES
64 CKLIN CYCLES
Figure 2a. Generalized Serial Mode Timing (FSI = Logic Low or High, TSI = DOE)
ZERO FOR LAST 16 SCO CYCLES
VALID DATA FOR 16 SCO CYCLES
VALID
CLKIN
SCO
(CFMT = 0)
FSO
(SFMT = 1)
SCO
HIGH FOR LAST 16 SCO CYCLES
LOW FOR 16 SCO CYCLES
64 CKLIN CYCLES
32 SCO CYCLES
Figure 2b. Generalized Serial Mode Timing (FSI = Logic Low or High, TSI = DOE)
t2
t3
t4
t5
0.8V
2.3V
t8
t1
t6
t7
t9
t
9
t10
CLKIN
FSI
SCO
Figure 3. Serial Mode Timing for Clock Input, Frame Sync Input, and Serial Clock Output
CLKIN
LOW FOR
D15–D0
t1
t10
t11
t12
t14
t13
D15
D14
D13
D1
D0
D15
D14
D13
D1
D0
t12
t11
FSI
SCO
FSO
SDO
SCO
FSO
SDO
SFMT = LOGIC
LOW(0)
SFMT = LOGIC
HIGH(1)
Figure 4. Serial Mode Timing for Frame Sync Input, Frame Sync Output, Serial Clock Output,
and Serial Data Output (CFMT = Logic Low, TSI = DOE)
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