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
DR
) 2.2V
Voltage on Any Input Pin −0.15V to
(V
A
+0.15V)
Ground Difference
|GND - DR GND| 0V to 100 mV
Input Current at Any Pin (Note 3)
±
25 mA
Package Input Current (Note 3)
±
50 mA
Power Dissipation at T
A
= 25˚C 2.0 W
ESD Susceptibility (Note 4)
Human Body Model
Machine Model
2500V
250V
Soldering Temperature, Infrared,
10 seconds (Note 5) 235˚C
Storage Temperature −65˚C to +150˚C
Operating Ratings (Notes 1, 2)
Ambient Temperature Range −40˚C ≤ T
A
≤ +85˚C
Supply Voltage (V
A
) +1.8V to +2.0V
Driver Supply Voltage (V
DR
) +1.8V to V
A
Analog Input Common Mode
Voltage 1.2V to 1.3V
V
IN
Differential Voltage Range −V
FS
/2 to +V
FS
/2
Ground Difference
(|GND - DR GND|) 0V
CLK Pins Voltage Range 0V to V
A
Differential CLK Amplitude 0.6V
P-P
to 2.0V
P-P
Package Thermal Resistances
Package
θ
J-C
(Top of
Package)
θ
J-PAD
(Thermal
Pad)
128-Lead Exposed Pad
LQFP
10˚C / W 2.8˚C / W
Converter Electrical Characteristics
The following specifications apply after calibration for V
A
=V
DR
= +1.9V
DC
, OutV = 1.9V, V
IN
FSR (a.c. coupled) = differential
800mV
P-P
,C
L
= 10 pF, Differential, a.c. coupled Sinewave Clock, f
CLK
= 1 GHz at 0.5V
P-P
with 50% duty cycle, R
EXT
= 3300Ω
±
0.1%, Analog Signal Source Impedance = 100Ω. Boldface limits apply for T
A
=T
MIN
to T
MAX
. All other limits T
A
= 25˚C,
unless otherwise stated. (Notes 6, 7)
Symbol Parameter Conditions
Typical
(Note 8)
Limits
(Note 8)
Units
(Limits)
STATIC CONVERTER CHARACTERISTICS
INL Integral Non-Linearity
±
0.35
±
0.9 LSB (max)
DNL Differential Non-Linearity
±
0.25
±
0.7 LSB (max)
Resolution with No Missing Codes 8 Bits
V
OFF
Offset Error −0.45
−1.5
0.5
LSB (min)
LSB (max)
TC V
OFF
Offset Error Tempco −40˚C to +85˚C −3 ppm/˚C
PFSE Positive Full-Scale Error (Note 9) −2.2
±
25 mV (max)
NFSE Negative Full-Scale Error (Note 9) −1.1
±
25 mV (max)
TC PFSE Positive Full Scale Error Tempco −40˚C to +85˚C 20 ppm/˚C
TC NFSE Negative Full Scale Error Tempco −40˚C to +85˚C 13 ppm/˚C
Dynamic Converter Characteristics
FPBW Full Power Bandwidth 1.7 GHz
Gain Flatness
d.c. to 500 MHz
±
0.5 dBFS
d.c. to 1 GHz
±
1.0 dBFS
ENOB Effective Number of Bits
f
IN
= 100 MHz, V
IN
= FSR − 0.5 dB 7.5 Bits
f
IN
= 248 MHz, V
IN
= FSR − 0.5 dB 7.5 7.1 Bits (min)
f
IN
= 498 MHz, V
IN
= FSR − 0.5 dB 7.5 7.1 Bits (min)
SINAD
Signal-to-Noise Plus Distortion
Ratio
f
IN
= 100 MHz, V
IN
= FSR − 0.5 dB 47 dB
f
IN
= 248 MHz, V
IN
= FSR − 0.5 dB 47 44.8 dB (min)
f
IN
= 498 MHz, V
IN
= FSR − 0.5 dB 47 44.8 dB (min)
SNR Signal-to-Noise Ratio
f
IN
= 100 MHz, V
IN
= FSR − 0.5 dB 48 dB
f
IN
= 248 MHz, V
IN
= FSR − 0.5 dB 48 45.5 dB (min)
f
IN
= 498 MHz, V
IN
= FSR − 0.5 dB 48 45.5 dB (min)
ADC081000
www.national.com 6
(15 páginas)
(40 páginas)
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Comentários a estes Manuais