
Absolute Maximum Ratings (Notes 1,
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V
A
,V
D
) 4.2V
Voltage on Any Input or Output
Pin −0.3V to 4.2V
Ground Difference
(AGND–DGND)
±
100 mV
CLK, OE Voltage Range
−0.5 to (V
A
+ 0.5V)
Digital Output Voltage (V
OH
,V
OL
)V
D
to DGND
Input Current at Any Pin (Note 3)
±
25 mA
Package Input Current (Note 3)
±
50 mA
Package Dissipation at T
A
= 25˚C (Note 4)
ESD Susceptibility (Note 5)
Human Body Model 4000V
Machine Model 200V
Soldering Temp., Infrared, 10 sec. (Note 6) 235˚C
Storage Temperature −65˚C to +150˚C
Operating Ratings (Notes 1, 2)
Operating Temperature Range −40˚C T
A
≤ +85˚C
Supply Voltage (V
A
,V
D
) +2.7V to +3.6V
Ground Difference
|DGND–AGND| 0V to 100 mV
V
IN
Voltage Range (V
P-P
) 0.5V to 0.68 V
A
Converter Electrical Characteristics
The following specifications apply for V
A
=V
D
= +3.0 V
DC
,V
REF
= 2.4V, V
IN
= 1.63 V
P-P
, OE = 0V, C
L
= 20 pF,
f
CLK
= 42 MHz, 50% duty cycle, unless otherwise specified. Boldface limits apply for T
A
=T
MIN
to T
MAX
: all other limits T
A
=
25˚C (Notes 7, 8)
Symbol Parameter Conditions
Typical
(Note 9)
Limits
(Note 9)
Units
(Limits)
DC Accuracy
INL Integral Non Linearity Error
±
0.7
±
1.4 LSB (max)
DNL Differential Non Linearity
±
0.6
+1.3 LSB (max)
−1.0 LSB (min)
Missing Codes 0 (max)
E
Z
Zero Scale Offset Error −17 mV
E
FS
Full Scale Offset Error −7 mV
Video Accuracy
DP Differential Phase Error f
CLK
= 20 MHz, Video Ramp Input 1.0 Degree
DG Differential Gain Error f
CLK
= 20 MHz, Video Ramp Input 1.5 %
Analog Input and Reference Characteristics
C
IN
V
IN
Input Capacitance V
IN
= 1.5V + 0.7 Vrms
(CLK LOW) 4 pF
(CLK HIGH) 11 pF
R
IN
R
IN
Input Resistance 7.2 kΩ
FPBW Full-Power Bandwidth 120 MHz
V
REF
Reference Input Voltage At pin 14
0.735 V
V
A
V
I
REF
Reference Input Current 7.7 mA
Power Supply Characteristics
I
A
Analog Supply Current
PD = Low 10.5 mA
PD = High 1 mA
I
D
Digital Supply Current
PD = Low, No Digital Output Load 2.9 mA
PD = High 0.5 mA
Total Operating Current Excluding Reference Current, V
IN
=0V
DC
13.4 16 mA (max)
Power Consumption (active) PD = Low (excluding reference current) 40.2 48 mW (max)
Power Consumption (power
down)
PD = High (excluding reference current)
<
7mW
CLK, OE Digital Input Characteristics
V
IH
Logical High Input Voltage V
D
=V
A
=3V 2.0 V (min)
V
IL
Logical Low Input Voltage V
D
=V
A
=3V 1.0 V (max)
I
IH
Logical High Input Current V
IH
=V
D
=V
A
= 3.3V 10 µA
I
IL
Logic Low Input Current V
IL
= 0V, V
D
=V
A
= 3.3V −10 µA
ADC08351
www.national.com 4
Comentários a estes Manuais