MAX1425_11 Datasheet, PDF (4/16 Pages) Maxim Integrated Products – 10-Bit, 20Msps ADC Separate Digital Supply Input for 3V Logic Compatibility

10-Bit, 20Msps ADC
ELECTRICAL CHARACTERISTICS (continued)
(V_AVDD = V_CMLP = +5V, V_DVDD = +3.3V, V_CMLN = V_AGND = V_DGND = 0V, 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.)
PARAMETER
POWER SUPPLY
Analog Supply Voltage
Digital Supply Voltage
Analog Supply Current
Analog Supply Current with
Internal Reference in Shutdown
Analog Shutdown Current
Digital Supply Current
Digital Shutdown Current
Power Dissipation
DIGITAL INPUTS (CLK, OE/PD)
Input Logic High
SYMBOL
V_AVDD
V_DVDD
I_AVDD
I_DVDD
PD
V_IH
CONDITIONS
REFIN = AGND
OE/PD = DV_DD
V_DVDD = 3.3V
V_DVDD = 5.0V
OE/PD = DV_DD
V_DVDD > 4.75V
V_DVDD < 4.75V
Input Logic Low
V_DVDD > 4.75V
V_IL
V_DVDD < 4.75V
Input Current Leakage
Input Capacitance
DIGITAL OUTPUTS (D0–D9)
V_DVDD = 5.25V
I_CLK
I_OE/PD
Output Logic High
Output Logic Low
Three-State Leakage
Three-State Capacitance
TIMING CHARACTERISTICS
Conversion Rate
Clock Frequency
Clock High
Clock Low
Pipeline Delay (Latency)
Aperture Delay
Aperture Jitter
Data Output Delay
Bus Enable
Bus Disable
VOH
VOL
I_OH = -200µA, V_DVDD = 2.7V
I_OL = 200µA, V_DVDD = 2.7V
V_DVDD = 5.25V, OE/PD = DV_DD
OE/PD = DV_DD
CONV
f_CLK
t_CH
t_CL
Figure 4
Figure 4
t_AD
t_AJ
t_OD
MIN TYP MAX UNITS
4.75 5.00 5.25
V
2.7
3.3
5.5
V
31
38
mA
26
35
mA
0.6
1
mA
5.3
9
mA
8.5
14
90
150 µA
172
220 mW
2.4
0.7 ·
V_DVDD
V
0.8
0.3 ·
V
V_DVDD
-10
10
µA
-20
20
µA
10
pF
V_DVDD
- 0.5
V_DVDD
V
0.5
V
-10
10
µA
10
pF
0.1
20
25
20
25
5.5
5
7
5
20
10
10
20 MHz
20 MHz
30
ns
30
ns
cycles
ns
ps
25
ns
20
ns
20
ns
4 _______________________________________________________________________________________