Manual

Absolute Maximum Ratings (Note 1)
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
,V
D
I/O) 6.5V
Voltage on Any I/O Pin −0.3V to V
+
+0.3V
Input Current at Any Pin (Note 3)
±
25mA
Package Input Current (Note 3)
±
50mA
Power Dissipation at T
A
=
25˚C (Note 4)
ESD Susceptibility (Note 5)
Human Body Model 1500V
Machine Model 200V
Soldering Temp., Infrared, 10 sec. (Note 6) 300˚C
Storage Temperature −65˚C to +150˚C
Operating Ratings(Notes 1, 2)
Operating Temperature
Range
0˚C ≤ T
A
≤ +70˚C
V
A,
V
D
+4.75V to +5.25V
V
D
I/O 2.7V to V
D
V
REF
− IN 1.0V to 3.0V
V
REF
− IN AGND to 0.1V
Digital Inputs −0.05V to V
D
+ 0.05V
|V
A
−V
D
| ≤100 mV
|AGND - DGND | 0V to 100 mV
Converter Electrical Characteristics
The following specifications apply for AGND
=
DGND
=
DGND I/O
=
0V, V
+
=
V
A
=
V
D
=
+5.0V, V
D
I/O
=
3.0V or 5.0V,
PD
=
+5V, V
REF+ IN
=
+2.0V, V
REF− IN
=
AGND, f
CLK
=
2.5 MHz, C
L
=
50 pF/pin. After Auto-Cal. Boldface limits apply for
T
A
=
T
J
=
T
MIN
to T
MAX
: all other limits T
A
=
T
J
=
25˚C(Notes 7, 8, 9)
Symbol Parameter Conditions
Typical
(Note 10)
Limits
(Note 11)
Units
Static Converter Characteristics
Resolution with No
Missing Codes
15 Bits(min)
INL Integral Non Linearity At 16 Bits
±
3
±
9 LSB(max)
DNL Differential Non Linearity At 16 Bits
±
1
+3 LSB(max)
−2 LSB(min)
Full-Scale Error
±
0.6 3.0
%
FS(max)
Zero Offset Error +0.1
±
0.7
%
FS(max)
Reference and Analog Input Characteristics
V
IN
Input Voltage Range
(V
IN+
−V
IN−
)
2.0
1.8
2.2
V(min)
V(max)
C
IN
Input Capacitance V
IN
=
1.0V + 0.7Vrms
(CLK
LOW)
12 pF
(CLK
HIGH)
28 pF
V
REF
Reference Voltage
Range [( V
REF
+
IN
)−
(V
REF
−
IN
)] (Note 14)
2.00
1.8 V(min)
2.2 V(max)
Reference Input
Resistance
3.5 KΩ
Dynamic Converter Characteristics
BW Full Power Bandwidth 8 MHz
SNR Signal-to-Noise Ratio f
IN
=
500 kHz 80 dB
SINAD
Signal-to-Noise &
Distortion
f
IN
=
500 kHz 79 dB
THD
Total Harmonic
Distortion
f
IN
=
500 kHz
−88 dB
SFDR
Spurious Free Dynamic
Range
f
IN
=
500 kHz
91 dB
IMD
Intermodulation
Distortion
f
IN1
=
95 kHz
f
IN2
=
105 kHz
−97 dB
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