AD8389 Просмотр технического описания (PDF) - Analog Devices
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AD8389 Datasheet PDF : 12 Pages
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AD8389
TIMING
Table 4. Timing Specifications
Parameter
Operating Frequency
CLK, fCLK
CLXI, ENBX(1–4)I
DXI, MONITxI
Input Low Pulse Width, t1—All Inputs except CLK
DXI, MONITxI
ENBX(1–4)I, CLXI
CLK High Pulse Width—t2
CLK Low Pulse Width—t3
CLK to DXI Setup Time—t4
Output Rise, Fall Time—tr, tf
Delay—t5
Output Skew— t6
t5 ≤ 130 ns
t5 ≤ 170ns
t5 ≤ 230ns
Loop Delay, t7
COMPEDGE = H, SLOW = H
COMPEDGE = H, SLOW = L
COMPEDGE = L, SLOW = H
COMPEDGE = L, SLOW = L
Conditions
t5 ≤ 230ns
CL = 30 pF
DXI to DXxO
CL = 30 pF
Min Typ
60
75
280
30
4.7
4.7
2
22
0.3
0.45
0.7
9/(fCLK) + t4
15/(fCLK) + t4
26/(fCLK) + t4
32/(fCLK) + t4
Max
Unit
85
(2t1)–1
(2t1)–1
MHz
Hz
Hz
ns
ns
ns
ns
ns
5
ns
350
ns
2.5
ns
3.4
ns
5
ns
ns
ns
ns
ns
t3
t2
CLK
t4
VTH
t4
DXI
VTH
t1
Figure 4. CLK and DXI Timing
DXI
MONITxI
DXO
t7
tEXT
t5
DXxO
CLXxO
ENBX(1–4)XO
t6
Figure 5. Input and Output Waveforms at COMPEDGE = HIGH
Rev. 0 | Page 6 of 12
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