Manual

MAX1338
14-Bit, 4-Channel, Software-Programmable,
Multiranging, Simultaneous-Sampling ADC
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(AV
DD
= DV
DD
= +5.0V, DRV
DD
= +3.0V, AGND = DGND = DRGND = 0, INTCLK/EXTCLK = AGND, f
CLK
= 5MHz, input range =
±10V, REFP2 = REFP1, REFN2 = REFN1, COM1 = COM2, 1.0nF from REFADC to AGND, 1.0µF and 0.1µF from COM1 to AGND,
0.1µF from REFP1 to AGND, 0.1µF from REFN1 to AGND, 1.0µF from REFP1 to REFN1. Typical values are at T
A
= +25°C. T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
Input Current I
IN
V
IN
= 0 or DRV
DD
±1 µA
DIGITAL INTERFACE AND CONTROL OUTPUTS (EOC, EOLC)
Output-Voltage High V
OH
Sourcing 0.8mA
DRV
DD
- 0.6
V
Output-Voltage Low V
OL
Sinking 1.6mA 0.4 V
PARALLEL DIGITAL I/O (D0–D7)
Output-Voltage High V
OH
Sourcing 0.8mA
DRV
DD
-
0.6
V
Output-Voltage Low V
OL
Sinking 1.6mA 0.4 V
Leakage Current 1µA
Tristate Output Capacitance RD = 1 or CS = 1 15 pF
Input-Voltage High V
IH
0.7 x
DRV
DD
V
Input-Voltage Low V
IL
0.3 x
DRV
DD
V
Input Hysteresis 50 mV
Input Capacitance C
IN
15 pF
Input Current I
IN
V
IN
= 0 or DRV
DD
±1 µA
PARALLEL DIGITAL OUTPUTS (D8–D13)
Output-Voltage High V
OH
Sourcing 0.8mA
DRV
DD
-
0.6
V
Output-Voltage Low V
OL
Sinking 1.6mA 0.4 V
Leakage Current 1µA
Tristate Output Capacitance 15 pF
POWER SUPPLIES
Analog Supply Voltage AV
DD
4.75
5
5.25
V
Digital Supply Voltage DV
DD
4.75
5
5.25
V
Parallel Digital I/O Supply Voltage
DRV
DD
2.70 5.25
V
41 60
SHDN = 1
0.005
0.1Analog Supply Current AI
DD
STANDBY = 1, SHDN = 0 4.2 5
mA
3
SHDN = 1
0.001 0.05
Digital Supply Current DI
DD
STANDBY = 1, SHDN = 0
0.001 0.05
mA
3
SHDN = 1 0
0.05
Digital Driver Supply Current DRI
DD
STANDBY = 1, SHDN = 0 0
0.05
mA
Analog Power-Supply Rejection
4.75V to 5.25V (Note 1) 75 dB