Datasheet

AD9923A
Rev. A | Page 4 of 84
DIGITAL SPECIFICATIONS
DRVDD = 2.7 V to 3.6 V, C
L
= 20 pF, T
MIN
to T
MAX
, unless otherwise noted.
Table 2.
Parameter Conditions/Comments Symbol Min Typ Max Unit
LOGIC INPUTS
High Level Input Voltage V
IH
2.1 V
Low Level Input Voltage V
IL
0.6 V
High Level Input Current I
IH
10 μA
Low Level Input Current I
IL
10 μA
Input Capacitance C
IN
10 pF
LOGIC OUTPUTS Powered by DVDD, DRVDD
High Level Output Voltage At I
OH
= 2 mA V
OH
DVDD − 0.5, DRVDD − 0.5 V
Low Level Output Voltage At I
OL
= 2 mA V
OL
0.5 V
H-DRIVER SPECIFICATIONS
HVDD = RGVDD = 2.7 V to 3.6 V, C
L
= 20 pF, T
MIN
to T
MAX
, unless otherwise noted.
Table 3.
Parameter Conditions/Comments Min Typ Max Unit
RG and H-DRIVER OUTPUTS RG, HL, and H1 to H4 powered by RGVDD, HVDD
High Level Output Voltage At maximum current RGVDD − 0.5, HVDD − 0.5 V
Low Level Output Voltage At maximum current 0.5 V
Maximum Output Current Programmable 30 mA
Maximum Load Capacitance For each output 100 pF
VERTICAL DRIVER SPECIFICATIONS
VDD1 = VDD2 = 3.3 V, VH1 = VH2 = 15 V, VM1 = VM2 = VMM = 0 V, VL1 = VL2 = VLL = −7.5 V, 25°C.
Table 4.
Parameter Conditions/Comments Symbol Min Typ Max Unit
V-DRIVER OUTPUTS Simplified load conditions, 3000 pF to ground
Delay Time
VL to VM and VM to VH Rising edges t
PLM
, t
PMH
35 ns
VM to VL and VH to VM Falling edges t
PML
, t
PHM
35 ns
Rise Time
VL to VM t
RLM
125 ns
VM to VH t
RMH
260 ns
Fall Time
VM to VL t
FML
220 ns
VH to VM t
FHM
125 ns
Output Currents
at −7.25 V +10 mA
at −0.25 V −22 mA
at +0.25 V +22 mA
at +14.75 V −10 mA
R
ON
35 Ω
SUBCK OUTPUT Simplified load conditions, 1000 pF to ground
Delay Time
VLL to VH t
PLH
25 ns
VH to VLL t
PHL
30 ns
VLL to VMM t
PLM
25 ns