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Rainbow-electronics ADC12L066 Manual de usuario Pagina 8

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Converter Electrical Characteristics (Continued)
Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, V
A
=V
D
= +3.3V,
V
DR
= +2.5V, PD = 0V, V
REF
= +1.0V, V
CM
= 1.0V, f
CLK
= 66 MHz, t
r
=t
f
= 2 ns, C
L
= 15 pF/pin. Boldface limits apply for T
J
=T
MIN
to T
MAX
: all other limits T
J
= 25˚C (Notes 7, 8, 9, 10)
Symbol Parameter Conditions
Typical
(Note 10)
Limits
(Note 10)
Units
(Limits)
SFDR Spurious Free Dynamic Range
f
IN
= 10 MHz, V
IN
=
−0.5 dBFS
85˚C
80
73
25˚C 73 dB (min)
−40˚C 68
f
IN
= 25 MHz, V
IN
=
−0.5 dBFS
73 dB
f
IN
= 150 MHz, V
IN
= −6 dBFS
85˚C
74
66
25˚C 66 dB (min)
−40˚C 56
f
IN
= 240 Hz, V
IN
=
−6 dBFS
61 dB
DC and Logic Electrical Characteristics
Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, V
A
=V
D
= +3.3V,
V
DR
= +2.5V, PD = 0V, V
REF
= +1.0V, V
CM
= 1.0V, f
CLK
= 66 MHz, t
r
=t
f
= 2 ns, C
L
= 15 pF/pin. Boldface limits apply for T
J
=T
MIN
to T
MAX
: all other limits T
J
= 25˚C (Notes 7, 8, 9, 10)
Symbol Parameter Conditions
Typical
(Note 10)
Limits
(Note 10)
Units
(Limits)
CLK, PD, OE DIGITAL INPUT CHARACTERISTICS
V
IN(1)
Logical “1” Input Voltage V
D
= 3.3V 2.0 V (min)
V
IN(0)
Logical “0” Input Voltage V
D
= 3.3V 0.8 V (max)
I
IN(1)
Logical “1” Input Current V
IN
+
,V
IN
−
= 3.3V 10 µA
I
IN(0)
Logical “0” Input Current V
IN
+
,V
IN
−
= 0V −10 µA
C
IN
Digital Input Capacitance 5 pF
D0–D11 DIGITAL OUTPUT CHARACTERISTICS
V
OUT(1)
Logical “1” Output Voltage I
OUT
= −0.5 mA
V
DR
−
0.18
V (min)
V
OUT(0)
Logical “0” Output Voltage I
OUT
= 1.6 mA 0.4 V (max)
I
OZ
TRI-STATE Output Current
V
OUT
= 3.3V 100 nA
V
OUT
= 0V −100 nA
+I
SC
Output Short Circuit Source
Current
V
OUT
= 0V −20 mA
−I
SC
Output Short Circuit Sink Current V
OUT
= 2.5V 20 mA
POWER SUPPLY CHARACTERISTICS
I
A
Analog Supply Current
PD Pin = DGND, V
REF
= 1.0V
PD Pin = V
DR
103
4
139 mA (max)
mA
I
D
Digital Supply Current
PD Pin = DGND
PD Pin = V
DR
5.3
2
6.2 mA (max)
mA
I
DR
Digital Output Supply Current
PD Pin = DGND, (Note 14)
PD Pin = V
DR
<
1
0
mA
mA
Total Power Consumption
PD Pin = DGND, C
L
= 0 pF (Note 15)
PD Pin = V
DR
357
50
479 mW (max)
mW
PSRR1 Power Supply Rejection
Rejection of Full-Scale Error with
V
A
= 3.0V vs. 3.6V
58 dB
ADC12L066
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