Rainbow-electronics ADC10D020 Bedienungsanleitung Seite 9

  • Herunterladen
  • Zu meinen Handbüchern hinzufügen
  • Drucken
  • Seite
    / 32
  • Inhaltsverzeichnis
  • LESEZEICHEN
  • Bewertet. / 5. Basierend auf Kundenbewertungen
Seitenansicht 8
Converter Electrical Characteristics (Continued)
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
=50,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)
+I
SC
Output Short Circuit Source
Current
V
OUT
=0V
Parallel Mode −7 mA
Multiplexed Mode −14 mA
−I
SC
Output Short Circuit Sink Current V
OUT
=V
DR
Parallel Mode 7 mA
Multiplexed Mode 14 mA
POWER SUPPLY CHARACTERISTICS
I
A
+I
D
Core Supply Current
PD = LOW, STBY = LOW, dc input 47.6 55 mA(max)
PD = LOW, STBY = HIGH 8.8 mA
PD = HIGH, STBY = LOW or HIGH 0.22 mA
I
DR
Digital Output Driver Supply
Current (Note 10)
PD = LOW, STBY = LOW, dc input 1.3 1.4 mA(max)
PD = LOW, STBY = HIGH 0.1 mA
PD = HIGH, STBY = LOW or HIGH 0.1 mA
PWR Power Consumption
PD = LOW, STBY = LOW, dc input 150 169 mW(max)
PD = LOW, STBY = LOW, 1 MHz Input 178 mW
PD = LOW, STBY = HIGH 27 mW
PD = HIGH, STBY = LOW or HIGH
<
1mW
PSRR1 Power Supply Rejection Ratio
Change in Full Scale with 2.7V to 3.6V Supply
Change
90 dB
PSRR2 Power Supply Rejection Ratio
Rejection at output with 20 MHz, 250 mV
P-P
Riding on V
A
and V
D
52 dB
AC Electrical Characteristics OS = Low (Multiplexed Mode)
The following specifications apply for V
A
=V
D
=V
DR
= +3.0V
DC
,V
REF
= 1.0 V
DC
, GAIN = OF = 0V, OS = 0V, V
IN
(ac
coupled) = FSR = 1.0 V
P-P
,C
L
= 15 pF, f
CLK
= 20 MHz, 50% Duty Cycle, R
S
=50,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)
f
CLK
1
Maximum Clock Frequency 30 20 MHz(min)
f
CLK
2
Minimum Clock Frequency 1 MHz
Duty Cycle 50
30
70
%(min)
%(max)
Pipeline Delay (Latency)
I Data 2.5 Clock Cycles
Q Data 3.0 Clock Cycles
t
r
,t
f
Output Rise and Fall Times 4 ns
t
OC
Offset Correction Pulse Width 10 ns(min)
t
OD
Output Delay from CLK Edge to
Data Valid
13 18 ns(max)
t
DIQ
I/Q Output Delay 13 ns
t
SKEW
I/Q to Data Delay
±
200 ps
t
AD
Sampling (Aperture) Delay 2.4 ns
t
AJ
Aperture Jitter
<
10 ps(rms)
t
VALID
Data Valid Time 21 ns
Overrange Recovery Time
Differential V
IN
step from 1.5V to
0V
50 ns
t
WUPD
PD Low to 1/2 LSB Accurate
Conversion (Wake-Up Time)
<
1ms
ADC10D020
www.national.com9
Seitenansicht 8
1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 31 32

Kommentare zu diesen Handbüchern

Keine Kommentare