Datasheet

AD9246
Rev. A | Page 6 of 44
DIGITAL SPECIFICATIONS
AVDD = 1.8 V; DRVDD = 2.5 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = −1.0 dBFS, DCS
enabled, unless otherwise noted.
Table 3.
AD9246BCPZ-80/105/125
Parameter Temp
Min Typ Max
Unit
DIFFERENTIAL CLOCK INPUTS (CLK+, CLK−)
Logic Compliance
CMOS/LVDS/LVPECL
Internal Common-Mode Bias
Full 1.2 V
Differential Input Voltage Full 0.2 6
V p-p
Input Voltage Range Full AVDD − 0.3 AVDD + 1.6
V
Input Common-Mode Range Full 1.1 AVDD
V
High Level Input Voltage (V
IH
) Full 1.2 3.6 V
Low Level Input Voltage (V
IL
) Full
0 0.8
V
High Level Input Current (I
IH
) Full −10 +10 µA
Low Level Input Current (I
IL
) Full −10 +10 µA
Input Resistance Full 8 10 12
kΩ
Input Capacitance Full 4
pF
LOGIC INPUTS (SCLK/DFS, OEB, PWDN)
High Level Input Voltage (V
IH
) Full 1.2 3.6 V
Low Level Input Voltage (V
IL
) Full 0 0.8 V
High Level Input Current (I
IH
) Full
−50 −75
µA
Low Level Input Current (I
IL
) Full
−10 +10
µA
Input Resistance Full 30 kΩ
Input Capacitance Full 2 pF
LOGIC INPUTS (CSB)
High Level Input Voltage (V
IH
) Full 1.2 3.6 V
Low Level Input Voltage (V
IL
) Full 0 0.8 V
High Level Input Current (I
IH
) Full −10 +10 µA
Low Level Input Current (I
IL
) Full
+40 +135
µA
Input Resistance Full 26 kΩ
Input Capacitance Full 2 pF
LOGIC INPUTS (SDIO/DCS)
High Level Input Voltage (V
IH
) Full 1.2 DRVDD + 0.3 V
Low Level Input Voltage (V
IL
) Full 0 0.8 V
High Level Input Current (I
IH
) Full −10 +10 µA
Low Level Input Current (I
IL
) Full
+40 +130
µA
Input Resistance Full 26 kΩ
Input Capacitance Full 5 pF
DIGITAL OUTPUTS
DRVDD = 3.3 V
High Level Output Voltage (V
OH
, I
OH
= 50 µA) Full 3.29 V
High Level Output Voltage (V
OH
, I
OH
= 0.5 mA) Full 3.25 V
Low Level Output Voltage (V
OL
, I
OL
= 1.6 mA) Full 0.2 V
Low Level Output Voltage (V
OL
, I
OL
= 50 µA) Full 0.05 V
DRVDD = 1.8 V
High Level Output Voltage (V
OH
, I
OH
= 50 µA) Full 1.79 V
High Level Output Voltage (V
OH
, I
OH
= 0.5 mA) Full 1.75 V
Low Level Output Voltage (V
OL
, I
OL
= 1.6 mA) Full 0.2 V
Low Level Output Voltage (V
OL
, I
OL
= 50 µA) Full 0.05 V