Electrical characteristics (continued) – Rainbow Electronics MAX1326 User Manual
Page 4
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)
(AV
DD
= +5V, DV
DD
= +3V, AGND = DGND = 0V, 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
±1
µA
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
ISOURCE = 0.8mA
DV
DD
-
0.6
V
Output-Voltage Low
V
OL
ISINK = 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
MAX1316/MAX1317/MAX1318, all channels
selected
46
51
MAX1320/MAX1321/MAX1322, all channels
selected
46
51
Analog-Supply Current
I
AVDD
MAX1324/MAX1325/MAX1326, all channels
selected
46
51
mA
MAX1316/MAX1317/MAX1318,
all channels selected
1
1.6
MAX1320/MAX1321/MAX1322,
all channels selected
1
1.6
Digital-Supply Current (Note 6)
I
DVDD
C
LOAD
=
100pF
MAX1324/MAX1325/MAX1326,
all channels selected
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