Rainbow-electronics ADC12041 Manual de usuario Pagina 3

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Absolute Maximum Ratings
(Notes 1 and 2)
Supply Voltage (V
A
a
and V
D
a
) 6.0V
Voltage at all Inputs
b
0.3V to V
a
a
0.3V
l
V
A
ab
V
D
a
l
300 mV
l
AGND
b
DGND
l
300 mV
Input Current at Any Pin (Note 3)
g
30 mA
Package Input Current (Note 3)
g
120 mA
Power Dissipation (Note 4)
at T
A
e
25
§
C 500 mW
Storage Temperature
b
65
§
Cto
a
150
§
C
Lead Temperature
SSOP Package
Vapor Phase (60 sec.) 210
§
C
Infared (15 sec.) 220
§
C
V Package, Infared (15 sec.) 300
§
C
ESD Susceptibility (Note 5) 3.0 kV
Operating Ratings (Notes 1 and 2)
Temperature Range
(T
min
s
T
A
s
T
max
)
b
40
§
C
s
T
A
s
85
§
C
Supply Voltage
V
A
a
,V
D
a
4.5V to 5.5V
l
V
A
a
b
V
D
a
l
s
100 mV
l
AGND
b
DGND
l
s
100 mV
V
IN
Voltage Range at all Inputs GND
s
V
IN
a
s
V
A
a
V
REF
a
Input Voltage 1V
s
V
REF
a
s
V
A
a
V
REF
b
Input Voltage 0
s
V
REF
b
s
V
REF
a
b
1V
V
REF
a
b
V
REF
b
1V
s
V
REF
s
V
A
a
V
REF
Common Mode 0.1 V
A
a
s
V
REFCM
s
0.6 V
A
a
Converter DC Characteristics The following specifications apply to the ADC12041 for V
A
a
e
V
D
a
e
5V,
V
REF
a
e
4.096V, V
REF
b
e
0.0V, 12-bit
a
sign conversion mode, f
CLK
e
12.0 MHz, R
S
e
25X, source impedance for V
REF
a
and V
REF
b
s
1X, fully differential input with fixed 2.048V common-mode voltage (V
INCM
), and minimum acquisition time, unless
otherwise specified. Boldface limits apply for T
A
e
T
J
e
T
MIN
to T
MAX
; all other limits T
A
e
T
J
e
25
§
C
Symbol Parameter Conditions
Typical Limits Units
(Note 10) (Note 11) (Limit)
Resolution with No Missing Codes After Auto-Cal 13 Bits (max)
ILE Positive and Negative Integral After Auto-Cal
g
0.6
g
1 LSB (max)
Linearity Error (Notes 12 and 17)
DNL Differential Non-Linearity After Auto-Cal
g
1 LSB (max)
Zero Error After Auto-Cal (Notes 13 and 17)
LSB (max)
V
INCM
e
5.0V
g
5.5
V
INCM
e
2.048V
g
2.0
V
INCM
e
0V
g
5.5
Positive Full-Scale Error After Auto-Cal (Notes 12 and 17)
g
1.0
g
2.5 LSB (max)
Negative Full-Scale Error After Auto-Cal (Notes 12 and 17)
g
1.0
g
2.5 LSB (max)
DC Common Mode Error After Auto-Cal (Note 14)
g
2
g
5.5 LSB (max)
TUE Total Unadjusted Error After Auto-Cal (Note 18)
g
1 LSB
3
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