Datasheet

MAX1316–MAX1318/MAX1320–MAX1322/MAX1324–MAX1326
8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
AV
DD
= +5V, V
DV
DD
= +3V, V
AGND
= V
DGND
= 0, V
REF
= V
REFMS
= +2.5V (external reference), C
REF
= C
REFMS
= 0.1µF, C
REF+
=
C
REF-
= 0.1µF, C
REF+-to-REF-
= 2.2µF || 0.1µF, C
COM
= 2.2µF || 0.1µF, C
MSV
= 2.2µF || 0.1µF (unipolar devices, MAX1316/
MAX1317/MAX1318), MSV = AGND (bipolar devices, MAX1320/MAX1321/MAX1322/MAX1324/MAX1325/MAX1326), f
CLK
= 10MHz,
50% duty cycle, INTCLK/EXTCLK = AGND (external clock), SHDN = DGND, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical val-
ues are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Input-Voltage Low V
IL
0.3 x
DV
DD
V
Input Hysteresis 15 mV
Input Capacitance C
IN
15 pF
Input Current I
IN
V
IN
= 0V or DV
DD
±1µA
CLOCK-SELECT INPUT (INTCLK/EXTCLK)
Input-Voltage High
0.7 x
AV
DD
V
Input-Voltage Low
0.3 x
AV
DD
V
DIGITAL OUTPUTS (D0–D13, EOC, EOLC)
Output-Voltage High V
OH
I
SOURCE
= 0.8mA
DV
DD
-
0.6
V
Output-Voltage Low V
OL
I
SINK
= 1.6mA 0.4 V
Tri-State Leakage Current RD ≥ V
IH
or CS ≥ V
IH
0.06 1 µA
Tri-State Output Capacitance RD ≥ V
IH
or CS ≥ V
IH
15 pF
POWER SUPPLIES
Analog-Supply Voltage AV
DD
4.75 5.25 V
Digital-Supply Voltage DV
DD
2.70 5.25 V
Analog-Supply Current I
AVDD
All channels selected 46 56 mA
Digital-Supply Current I
DVDD
C
LOAD
= 100pF, all channels selected
(Note 6)
1 1.6 mA
I
AVDD
V
SHDN
= DV
DD
, V
CH
= float 10
Shutdown Current (Note 7)
I
DVDD
V
RD
= V
WR
= DV
DD
, V
SHDN
= DV
DD
0.1 2
µA
Power-Supply Rejection Ratio PSRR AV
DD
= +4.75V to +5.75V (Note 8) 50 dB