Rainbow Electronics MAX1338 - Manual (Page 4)

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 1 µA
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 1 µA
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 0.1 Analog 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