Datasheet

AD9923A
Rev. A | Page 5 of 84
Parameter Conditions/Comments Symbol Min Typ Max Unit
VMM to VH t
PMH
25 ns
VH to VMM t
PHM
30 ns
VMM to VLL t
PML
25 ns
Rise Time
VLL to VH t
RLH
40 ns
VLL to VMM t
RLM
45 ns
VMM to VH t
RMH
30 ns
Fall Time
VH to VLL t
FHL
40 ns
VH to VMM t
FHM
90 ns
VMM to VLL t
FML
25 ns
Output Currents
at −7.25 V 20 mA
at −0.25 V 12 mA
at +0.25 V 12 mA
at +14.75 V 20 mA
R
ON
35 Ω
V-DRIVER
INPUT
t
RLM
, t
RMH
, t
RLH
50%
10%
90%
t
PLM
, t
PMH
, t
PLH
V-DRIVER
OUTPUT
10%
50%
90%
t
FML
, t
FHM
, t
FHL
t
PML
, t
PHM
, t
PHL
0
5586-002
Figure 2. Definition of V-Driver Timing Specifications
ANALOG SPECIFICATIONS
AVDD = 3.0 V, f
CLI
= 36 MHz, typical timing specifications, T
MIN
to T
MAX
, unless otherwise noted.
Table 5.
Parameter Conditions/Comments Min Typ Max Unit
CDS Input characteristics definition
1
Allowable CCD Reset Transient 0.5 1.2 V
CDS Gain Accuracy VGA gain = 6 dB (Code 15, default value)
−3 dB CDS Gain −3 −2.5 −2 dB
0 dB CDS Gain Default 0 +0.5 +1 dB
+3 dB CDS Gain +3 +3.5 +4 dB
+6 dB CDS Gain +5.5 +6 +6.5 dB
Maximum Input Range Before Saturation
0 dB CDS Gain Default setting 1.0 V p-p
−3 dB CDS Gain 1.4 V p-p
+6 dB CDS Gain 0.5 V p-p
Maximum CCD Black Pixel Amplitude Positive offset definition
1
0 dB CDS Gain (Default) −100 +200 mV
+6 dB CDS Gain −50 +100 mV
VARIABLE GAIN AMPLIFIER (VGA)
Gain Control Resolution 1024 Steps
Gain Monotonicity Guaranteed
Gain Range
Minimum Gain (VGA Code 15) 6 dB
Maximum Gain (VGA Code 1023) 42 dB