Electrical characteristics (continued) – Rainbow Electronics MAX1425 User Manual
Page 4
MAX1425
10-Bit, 20Msps ADC
4
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ELECTRICAL CHARACTERISTICS (continued)
(V
AVDD
= V
CMLP
= +5V, V
DVDD
= +3.3V, V
CMLN
= V
AGND
= V
DGND
= 0, internal reference, digital output load = 35pF, f
CLK
= 20MHz
(50% duty cycle), T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
I
OE/PD
OE/PD = DV
DD
V
DVDD
= 5.25V, OE/PD = DV
DD
I
OL
= 200µA, V
DVDD
= 2.7V
I
OH
= -200µA, V
DVDD
= 2.7V
V
DVDD
= 5.25V
V
DVDD
< 4.75V
V
DVDD
> 4.75V
OE/PD = DV
DD
V
DVDD
= 5.0V
REFIN = AGND
OE/PD = DV
DD
V
DVDD
< 4.75V
V
DVDD
= 3.3V
V
DVDD
> 4.75V
CONDITIONS
pF
10
Three-State Capacitance
µA
-10
10
Three-State Leakage
V
0.5
VOL
Output Logic Low
V
V
DVDD
V
DVDD
- 0.5
VOH
Output Logic High
pF
10
Input Capacitance
µA
-20
20
µA
-10
10
Input Current Leakage
0.3
·
V
DVDD
V
0.8
V
IL
Input Logic Low
0.7
·
V
DVDD
V
2.4
V
IH
Input Logic High
mW
172
220
PD
Power Dissipation
µA
90
150
Digital Shutdown Current
8.5
14
mA
26
35
Analog Supply Current with
Internal Reference in Shutdown
nA
0.6
1
Analog Shutdown Current
mA
5.3
9
I
DVDD
Digital Supply Current
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Figure 4
Figure 4
ps
7
t
AJ
Aperture Jitter
ns
5
t
AD
Aperture Delay
cycles
5.5
Pipeline Delay (Latency)
ns
20
25
30
t
CL
Clock Low
ns
20
25
30
t
CH
Clock High
MHz
20
f
CLK
Clock Frequency
MHz
0.1
20
CONV
Conversion Rate
V
2.7
3.3
5.5
V
DVDD
Digital Supply Voltage
V
4.75
5.00
5.25
V
AVDD
Analog Supply Voltage
mA
31
38
I
AVDD
Analog Supply Current
I
CLK
ns
10
20
t
AJ
Bus Disable
ns
10
20
t
AD
Bus Enable
ns
5
20
25
t
OD
Data Output Delay
POWER SUPPLY
DIGITAL INPUTS (CLK, OE/PD)
DIGITAL OUTPUTS (D0–D9)
TIMING CHARACTERISTICS