AD9640
DIGITAL SPECIFICATIONS
AVDD = 1.8 V, DVDD = 1.8 V, DRVDD = 3.3 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, and
DCS enabled, unless otherwise noted.
Table 5.
Parameter
DIFFERENTIAL CLOCK INPUTS (CLK+, CLK−)
Logic Compliance
Internal Common-Mode Bias
Differential Input Voltage
Input Voltage Range
Input Common-Mode Range
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Input Capacitance
Input Resistance
SYNC INPUT
Logic Compliance
Internal Bias
Input Voltage Range
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Input Capacitance
Input Resistance
LOGIC INPUT (CSB)1
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Input Resistance
Input Capacitance
LOGIC INPUT (SCLK/DFS)2
High Level Input Voltage
Low Level Input Voltage
High Level Input Current (VIN = 3.3 V)
Low Level Input Current
Input Resistance
Input Capacitance
LOGIC INPUTS/OUTPUTS (SDIO/DCS, SMI SDFS)1
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Input Resistance
Input Capacitance
LOGIC INPUTS/OUTPUTS (SMI SDO/OEB, SMI SCLK/PDWN)2
High Level Input Voltage
Low Level Input Voltage
High Level Input Current (VIN = 3.3 V)
Low Level Input Current
Input Resistance
Input Capacitance
Temperature
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Min
Typ Max
Unit
CMOS/LVDS/LVPECL
1.2
0.2
6
AGND − 0.3
AVDD + 1.6
1.1
AVDD
1.2
3.6
0
0.8
−10
+10
−10
+10
4
8
10
12
V
V p-p
V
V
V
V
μA
μA
pF
kΩ
AGND − 0.3
1.2
0
−10
−10
8
CMOS
1.2
V
AVDD + 1.6 V
3.6
V
0.8
V
+10
μA
+10
μA
4
pF
10
12
kΩ
1.22
3.6
V
0
0.6
V
−10
+10
μA
40
132
μA
26
kΩ
2
pF
1.22
3.6
V
0
0.6
V
−92
−135
μA
−10
+10
μA
26
kΩ
2
pF
1.22
3.6
V
0
0.6
V
−10
+10
μA
38
128
μA
26
kΩ
5
pF
1.22
3.6
V
0
0.6
V
−90
−134
μA
−10
+10
μA
26
kΩ
5
pF
Rev. B | Page 9 of 52