Data Sheet
AD6643
Parameter
Temperature Min
Typ
Max
Unit
Input Current Level
High
Low
Input Capacitance
Input Resistance
LOGIC INPUT (CSB)1
Input Voltage Level
High
Full
Full
Full
Full
−5
−100
+5
+100
µA
µA
pF
kΩ
1
16
12
20
Full
Full
1.22
0
2.1
0.6
V
V
Low
Input Current Level
High
Low
Input Resistance
Input Capacitance
LOGIC INPUT (SCLK)2
Input Voltage Level
High
Full
Full
Full
Full
−5
−80
+5
−45
µA
µA
kΩ
pF
26
2
Full
Full
1.22
0
2.1
0.6
V
V
Low
Input Current Level
High
Low
Input Resistance
Input Capacitance
LOGIC INPUTS (SDIO)1
Input Voltage Level
High
Full
Full
Full
Full
45
−5
70
+5
µA
µA
kΩ
pF
26
2
Full
Full
1.22
0
2.1
0.6
V
V
Low
Input Current Level
High
Low
Input Resistance
Input Capacitance
LOGIC INPUTS (OEB, PDWN)2
Input Voltage Level
High
Full
Full
Full
Full
45
−5
70
+5
µA
µA
kΩ
pF
26
5
Full
Full
1.22
0
2.1
0.6
V
V
Low
Input Current Level
High
Low
Input Resistance
Input Capacitance
DIGITAL OUTPUTS
LVDS Data and OR Outputs
Differential Output Voltage (VOD)
ANSI Mode
Full
Full
Full
Full
45
−5
70
+5
µA
µA
kΩ
pF
26
5
Full
Full
250
150
350
200
450
280
mV
mV
Reduced Swing Mode
Output Offset Voltage (VOS)
ANSI Mode
Full
Full
1.15
1.15
1.25
1.25
1.35
1.35
V
V
Reduced Swing Mode
1 Pull up.
2 Pull down.
Rev. C | Page 7 of 40