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.
Positive Supply Voltages 3.8V
Voltage on Any Pin −0.3V to (V
A
or V
D
+0.3V)
Input Current at Any Pin (Note 3)
±
25 mA
Package Input Current (Note 3)
±
50 mA
Package Dissipation at T
A
= 25˚C See (Note 4)
ESD Susceptibility (Note 5)
Human Body Model 2500V
Machine Model 250V
Soldering Temperature,
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
V
A
,V
D
Supply Voltage +2.7V to +3.6V
V
DR
Supply Voltage +1.5V to V
D
V
IN
Differential Voltage Range
GAIN = Low
±
V
REF
/2
GAIN = High
±
V
REF
V
CM
Input Common Mode Range
GAIN = Low V
REF
/4 to (V
A
–V
REF
/4)
GAIN = High V
REF
/2 to (V
A
–V
REF
/2)
V
REF
Voltage Range 0.8V to 1.5V
Digital Input Pins Voltage
Range −0.3V to (V
A
+0.3V)
Converter Electrical Characteristics
The following specifications apply for V
A
=V
D
=V
DR
= +3.0 V
DC
,V
REF
= 1.0 V
DC
, GAIN = OF = 0V, OS = 3.0V, V
IN
(ac
coupled) = FSR = 1.0 V
P-P
,C
L
= 15 pF, f
CLK
= 20 MHz, 50% Duty Cycle, R
S
=50Ω,t
rc
=t
fc
<
4 ns, NOT offset corrected.
Boldface limits apply for T
A
=T
MIN
to T
MAX
: all other limits T
A
= 25˚C (Note 7).
Symbol Parameter Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limits)
STATIC CONVERTER CHARACTERISTICS
INL Integral Non-Linearity
±
0.65
±
1.8 LSB(max)
DNL Differential Non-Linearity
±
0.35
+1.2
−1.0
LSB(max)
LSB(min)
Resolution with No Missing Codes 10 Bits
V
OFF
Offset Error
Without Offset Correction −5
+10
−16
LSB(max)
LSB(min)
With Offset Correction +0.5
+1.5
−0.5
LSB(max)
LSB(min)
GE Gain Error −4
+6
−14
%FS(max)
%FS(min)
DYNAMIC CONVERTER CHARACTERISTICS
ENOB Effective Number of Bits
f
IN
= 1.0 MHz, V
IN
= FSR −0.1 dB 9.5 Bits
f
IN
= 4.7 MHz, V
IN
= FSR −0.1 dB 9.5 9.0 Bits(min)
f
IN
= 9.5 MHz, V
IN
= FSR −0.1 dB 9.5 Bits
f
IN
= 19.5 MHz, V
IN
= FSR −0.1 dB 9.5 Bits
SINAD
Signal-to-Noise Plus Distortion
Ratio
f
IN
= 1.0 MHz, V
IN
= FSR −0.1 dB 59 dB
f
IN
= 4.7 MHz, V
IN
= FSR −0.1 dB 59 56 dB(min)
f
IN
= 9.5 MHz, V
IN
= FSR −0.1 dB 59 dB
f
IN
= 19.5 MHz, V
IN
= FSR −0.1 dB 59 dB
SNR Signal-to-Noise Ratio
f
IN
= 1.0 MHz, V
IN
= FSR −0.1 dB 59 dB
f
IN
= 4.7 MHz, V
IN
= FSR −0.1 dB 59 56 dB(min)
f
IN
= 9.5 MHz, V
IN
= FSR −0.1 dB 59 dB
f
IN
= 19.5 MHz, V
IN
= FSR −0.1 dB 59 dB
THD Total Harmonic Distortion
f
IN
= 1.0 MHz, V
IN
= FSR −0.1 dB −73 dB
f
IN
= 4.7 MHz, V
IN
= FSR −0.1 dB −73 −62 dB(min)
f
IN
= 9.5 MHz, V
IN
= FSR −0.1 dB −73 dB
f
IN
= 19.5 MHz, V
IN
= FSR −0.1 dB −73 dB
ADC10D020
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