Datasheet

REV. 0
–4–
AD9887–SPECIFICATIONS
DIGITAL INTERFACE
Test AD9887KS
Parameter Conditions Level Min Typ Max Unit
RESOLUTION 8 Bits
DC DIGITAL I/O SPECIFICATIONS
High-Level Input Voltage, (V
IH
) VI 2.6 V
Low-Level Input Voltage, (V
IL
) VI 0.8 V
High-Level Output Voltage, (V
OH
) VI 2.4 V
Low-Level Output Voltage, (V
OL
) VI 0.4 V
Input Clamp Voltage, (V
CINL
)(I
CL
= –18 mA) IV GND – 0.8 V
Input Clamp Voltage, (V
CIPL
)(I
CL
= +18 mA) IV V
DD
+ 0.8 V
Output Clamp Voltage, (V
CONL
)(I
CL
= –18 mA) IV GND – 0.8 V
Output Clamp Voltage, (V
COPL
)(I
CL
= +18 mA) IV V
DD
+ 0.8 V
Output Leakage Current, (I
OL
) (High Impedance) IV –10 +10 µA
DC SPECIFICATIONS
Output High Drive Output Drive = High IV 13 mA
(I
OHD
) (V
OUT
= V
OH
) Output Drive = Med IV 8 mA
Output Drive = Low IV 5 mA
Output Drive = High IV –9 mA
(I
OLD
) (V
OUT
= V
OL
) Output Drive = Med IV –7 mA
Output Drive = Low IV –5 mA
Output Drive = High IV 25 mA
(V
OHC
) (V
OUT
= V
OH
) Output Drive = Med IV 12 mA
Output Drive = Low IV 8 mA
DATACK Low Drive Output Drive = High IV –25 mA
(V
OLC
) (V
OUT
= V
OL
) Output Drive = Med IV –19 mA
Output Drive = Low IV –8 mA
Differential Input Voltage Single-Ended Amplitude IV 75 800 mV
POWER SUPPLY
V
D
Supply Voltage IV 3.0 3.3 3.6 V
V
DD
Supply Voltage Minimum Value for 2 Pixels per
Clock Mode IV 2.2 3.3 3.6 V
P
VD
Supply Voltage IV 3.0 3.3 3.6 V
V
D
Supply Current (Typical Pattern)
1
V 274 mA
V
DD
Supply Current (Typical Pattern)
1, 4
V38 mA
P
VD
Supply Current (Typical Pattern)
1
V21 mA
Total Supply Current (Typical Pattern)
1, 4
VI 362 mA
V
D
Supply Current (Worst-Case Pattern)
2
V 280 mA
V
DD
Supply Current (Worst-Case Pattern)
2, 4
V75 mA
P
VD
Supply Current (Worst-Case Pattern)
2
V21 mA
Total Supply Current (Worst-Case Pattern)
2, 4
VI 400 mA
Power-Down Supply Current (I
PD
)VI1325mA
AC SPECIFICATIONS
Intrapair (+ to –) Differential Input Skew (T
DPS
) IV 360 ps
Channel-to-Channel Differential Input Skew (T
CCS
) IV 1.0 Clock
Period
Low-to-High Transition Time for Data and Output Drive = High; C
L
= 10 pF IV 2.0 ns
Controls (D
LHT
) Output Drive = Med; C
L
= 7 pF IV 3.0 ns
Output Drive = Low; C
L
= 5 pF IV 3.4 ns
Low-to-High Transition Time for DATACK (D
LHT
) Output Drive = High; C
L
= 10 pF IV 1.3 ns
Output Drive = Med; C
L
= 7 pF IV 1.9 ns
Output Drive = Low; C
L
= 5 pF IV 2.5 ns
High-to-Low Transition Time for Data and Output Drive = High; C
L
= 10 pF IV 2.7 ns
Controls (D
HLT
) Output Drive = Med; C
L
= 7 pF IV 3.0 ns
Output Drive = Low; C
L
= 5 pF IV 3.3 ns
(V
D
= 3.3 V, V
DD
= 3 V, Clock = Maximum)
OBSOLETE