LMH1982 Datasheet, PDF (6/28 Pages) National Semiconductor (TI) – Multi-Rate Video Clock Generator with Genlock

Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Tolerance (Note 2)
Human Body Model
Machine Model
Supply Voltage, V_DD
Supply Voltage, DV_DD
Input Voltage Range (any input)
2000V
200V
3.6V
2.75V
−0.3V to V_DD +0.3V
Electrical Characteristics
Storage Temperature Range
Lead Temperature (Soldering 10 sec.)
Junction Temperature, T_JMAX
Thermal Resistance (θ_JA)
Operating Ratings
V_DD
DV_DD
Input Voltage
Temperature Range, T_A
−65°C to +150°C
300°C
150°C
33°C/W
3.3V ± 5%
2.5V ± 5%
0V to V_DD
0°C to 70°C
Unless otherwise specified, all limits are guaranteed for T_A = 25°C, V_DD = 3.3V, DV_DD = 2.5V, Boldface limits apply at the tem-
perature extremes.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
I_VDD V_DD Supply Current
I_DVDD DV_DD Supply Current
Free Run Voltage Control Input (Pin 1)
Default Register Values
Default Register Values
50
mA
35
mA
V_IL Low Analog Input Voltage
V_IH High Analog Input Voltage
Reference Inputs (Pins 4, 5, 7, 8)
(Note 3)
(Note 3)
0
V
V_DD
V
V_IL
V_IH
ΔT_HV
Low Input Voltage
High Input Voltage
H-V Timing Offset
I_IN = ±10 μA
0
I_IN = ±10 µA
2.0
(Note 4), Timing offset measured from H sync
to V sync pulse leading edges
0.8
V
V_DD
V
2.0
μs
Digital Control Inputs (Pins 6, 13, 14, 15)
V_IL
Low Input Voltage
V_IH
High Input Voltage
I²C Interface (Pins 11, 12)
I_IN = ±10 µA
I_IN = ±10 µA
0
0.8
V
2.0
V_DD
V
V_IL Low Input Voltage
V_IH High Input Voltage
I_IN Input Current
I_OL Low Output Sink Current
Status Flag Outputs (Pin 16, 17)
V_IN between 0.1 V_DD and 0.9 V_DD
V_OL = 0V or 0.4V
0
0.3 V_DD
V
0.7 V_DD
V_DD
V
−10
+10
μA
3
mA
V_OL Low Output Voltage
V_OH High Output Voltage
I_OUT = +10 mA
I_OUT = −10 mA
V_DD
−0.4V
0.4
V
V
Top of Frame Output (Pin 25)
V_OL Low Output Voltage
V_OH High Output Voltage
I_OUT = +10 mA
I_OUT = −10 mA
V_DD
−0.4V
0.4
V
V
I_OZ Output Hi-Z Leakage Current TOF = Hi-Z, V_OUT = V_DD or GND
t_R Rise Time
15 pF Load
t_F Fall Time
15 pF Load
t_OD Maximum delay time from 50% Output Alignment Mode Disabled
TOF_CLK active edge to 50% (EN_TOF_RST = 0)
TOF leading edge
0.4
10
|μA|
1.5
ns
1.5
ns
1
pixel
period
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