Limit at TMIN, T
參數(shù)資料
型號: EVAL-AD7993EBZ
廠商: Analog Devices Inc
文件頁數(shù): 31/32頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD7993
標(biāo)準(zhǔn)包裝: 1
ADC 的數(shù)量: 1
位數(shù): 10
采樣率(每秒): 188k
數(shù)據(jù)接口: 串行
輸入范圍: 0 ~ 5.5 V
在以下條件下的電源(標(biāo)準(zhǔn)): 7.7mW @ 188kSPS,5.5 V
工作溫度: -40°C ~ 125°C
已用 IC / 零件: AD7993
已供物品: 板,纜線,CD
AD7993/AD7994
Rev. 0 | Page 8 of 32
AD7993/AD7994
Limit at TMIN, TMAX
Parameter
Conditions
Min
Max
Unit
Description
t10
Standard mode
300
ns
tFDA, fall time of SDA signal
Fast mode
20 + 0.1 CB
300
ns
High speed mode
CB = 100 pF max
10
80
ns
CB = 400 pF max
20
160
ns
t11
Standard mode
1000
ns
tRCL, rise time of SCL signal
Fast mode
20 + 0.1 CB
300
ns
High speed mode
CB = 100 pF max
10
40
ns
CB = 400 pF max
20
80
ns
t11A
Standard mode
1000
ns
tRCL1, rise time of SCL signal after a repeated start
condition and after an acknowledge bit
Fast mode
20 + 0.1 CB
300
ns
High speed mode
CB = 100 pF max
10
80
ns
CB = 400 pF max
20
160
ns
t12
Standard mode
300
ns
tFCL, fall time of SCL signal
Fast mode
20 + 0.1 CB
300
ns
High speed mode
CB = 100 pF max
10
40
ns
CB = 400 pF max
20
80
ns
Fast mode
0
50
ns
Pulse width of suppressed spike
High speed mode
0
10
ns
tPOWER-UP
1
typ s
Power-up time
1 A device must provide a data hold time for SDA in order to bridge the undefined region of the SCL falling edge.
2 For 3 V supplies, the maximum hold time with
CB = 100 pF max is 100 ns max.
P
S
P
t6
t4
t1
t3
t5
t8
t2
t11
t12
t6
SCL
SDA
t7
t9
t10
S = START CONDITION
P = STOP CONDITION
03472-0-002
Figure 2. Two-Wire Serial Interface Timing Diagram
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