Rainbow Electronics ADC10D040 - Manual (Page 7)

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 +3.0V 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 0.6V to 1.8V
Digital Input Pins Voltage
Range −0.3V to (V
A
+0.3V)
Converter Electrical Characteristics
The following specifications apply for V
A
= V
D
= +3.3 V
DC
, V
DR
= +2.5 V
DC
, V
REF
= 1.4 V
DC
, GAIN = OF = 0V, OS = 3.3V, V
IN
(a.c. coupled) = FSR = 1.4 V
P-P
, C
L
= 15 pF, f
CLK
= 40 MHz, 50% Duty Cycle, R
S
= 50 Ω, t
rc
= t
fc
< 4 ns, NOT offset cor-
rected. 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 ± 1.9 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 −3.3
+7
−12
LSB (max)
LSB (min)
With Offset Correction +0.4
+1.5
−0.5
LSB (max)
LSB (min)
GE Gain Error −4
+5
−12
%FS (max)
%FS (min)
DYNAMIC CONVERTER CHARACTERISTICS
ENOB Effective Number of Bits
f
IN
= 4.43 MHz, V
IN
= FSR −0.1 dB 9.5 Bits
f
IN
= 10.4 MHz, V
IN
= FSR −0.1 dB, T
A
= 25˚C 9.5 9.1 Bits (min)
f
IN
= 19.7 MHz, V
IN
= FSR −0.1 dB 9.4 Bits
SINAD
Signal-to-Noise Plus Distortion
Ratio
f
IN
= 4.43 MHz, V
IN
= FSR −0.1 dB 59 dB
f
IN
= 10.4 MHz, V
IN
= FSR −0.1 dB, T
A
= 25˚C 59 56.3 dB (min)
f
IN
= 19.7 MHz, V
IN
= FSR −0.1 dB 58 dB
SNR Signal-to-Noise Ratio
f
IN
= 4.43 MHz, V
IN
= FSR −0.1 dB 60 dB
f
IN
= 10.4 MHz, V
IN
= FSR −0.1 dB, T
A
= 25˚C 60 57.3 dB (min)
f
IN
= 19.7 MHz, V
IN
= FSR −0.1 dB 59 dB
THD Total Harmonic Distortion
f
IN
= 4.43 MHz, V
IN
= FSR −0.1 dB −70 dB
f
IN
= 10.4 MHz, V
IN
= FSR −0.1 dB, T
A
= 25˚C −69 −61 dB (min)
f
IN
= 19.7 MHz, V
IN
= FSR −0.1 dB −67 dB
HS2 Second Harmonic
f
IN
= 4.43 MHz, V
IN
= FSR −0.1 dB −86 dB
f
IN
= 10.4 MHz, V
IN
= FSR −0.1 dB −83 dB
f
IN
= 19.7 MHz, V
IN
= FSR −0.1 dB −81 dB
HS3 Third Harmonic
f
IN
= 4.43 MHz, V
IN
= FSR −0.1 dB −73 dB
f
IN
= 10.4 MHz, V
IN
= FSR −0.1 dB −73 dB
f
IN
= 19.7 MHz, V
IN
= FSR −0.1 dB −72 dB
ADC10D040
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