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
Supply Difference
V
DR
- V
A
0V to 100 mV
Voltage on Any Input Pin
(Except V
IN
+, V
IN
- ) −0.15V to (V
A
+0.15V)
Voltage on V
IN
+, V
IN
-
(Maintaining Common Mode) -0.15V to 2.5V
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
≤ 85°C
2.0 W
ESD Susceptibility (Note 4)
Human Body Model
Machine Model
2500V
250V
Soldering Temperature, Infrared,
10 seconds, (Note 5), (Applies
to standard plated package only) 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 V
CMO
±50mV
V
IN
+, V
IN
- Voltage Range
(Maintaining Common Mode)
0V to 2.15V
(100% duty cycle)
0V to 2.5V
(10% duty cycle)
Ground Difference
(|GND - DR GND|) 0V
CLK Pins Voltage Range 0V to V
A
Differential CLK Amplitude 0.4V
P-P
to 2.0V
P-P
Package Thermal Resistance
Package
θ
JA
θ
JC(Top of
Package)
θ
J-PAD
(Thermal Pad)
128-Lead
Exposed Pad
LQFP
25°C / W 10°C / W 2.8°C / W
Soldering process must comply with National
Semiconductor’s Reflow Temperature Profile specifications.
Refer to www.national.com/packaging.
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
870mV
P-P
, C
L
= 10 pF, Differential, a.c. coupled Sinewave Input Clock, f
CLK
= 1 GHz at 0.5V
P-P
with 50% duty cycle, V
BG
= Floating,
Non-Extended Control Mode, SDR Mode, R
EXT
= 3300Ω ±0.1%, Analog Signal Source Impedance = 100Ω Differential. Boldface
limits apply for T
A
= T
MIN
to T
MAX
. All other limits T
A
= 25°C, unless otherwise noted. (Notes 6, 7)
Symbol Parameter Conditions
Typical
(Note 8)
Limits
(Note 8)
Units
(Limits)
STATIC CONVERTER CHARACTERISTICS
INL Integral Non-Linearity (Best fit)
DC Coupled, 1MHz Sine Wave Over
ranged
±0.3 ±0.9 LSB (max)
DNL Differential Non-Linearity
DC Coupled, 1MHz Sine Wave Over
ranged
±0.15 ±0.6 LSB (max)
Resolution with No Missing
Codes
8 Bits
V
OFF
Offset Error -0.45
−1.5
0.5
LSB (min)
LSB (max)
V
OFF
_ADJ
Input Offset Adjustment Range Extended Control Mode ±45 mV
PFSE Positive Full-Scale Error (Note 9) −0.6 ±25 mV (max)
NFSE
Negative Full-Scale Error (Note
9)
−1.31 ±25 mV (max)
FS_ADJ Full-Scale Adjustment Range Extended Control Mode ±20 ±15 %FS
NORMAL MODE (Non DES) DYNAMIC CONVERTER CHARACTERISTICS
FPBW Full Power Bandwidth Normal Mode (non DES) 1.7 GHz
B.E.R. Bit Error Rate
10
-18
Error/Sample
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
7.4 7.0 Bits (min)
f
IN
= 498 MHz, V
IN
= FSR − 0.5 dB
7.4 7.0 Bits (min)
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ADC08D1000
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