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
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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
V
IN
= +5V 0.54 0.72
MAX1316/MAX1317/MAX1318
V
IN
= 0V -0.157 -0.12
V
IN
= +5V 0.29 0.39
MAX1320/MAX1321/MAX1322
V
IN
= -5V -1.16 -0.87
V
IN
= +10V 0.56 0.74
Input Current (Note 4)
MAX1324/MAX1325/MAX1326
V
IN
= -10V -1.13 -0.85
mA
MAX1316/MAX1317/MAX1318 7.58
MAX1320/MAX1321/MAX1322 8.66
Input Resistance (Note 4)
MAX1324/MAX1325/MAX1326 14.26
kΩ
Input Capacitance 15 pF
TRACK/HOLD
One channel 526
Two channels 455
Four channels 357
External-Clock Throughput Rate
(Note 5)
Eight channels 250
ksps
One channel (INTCLK/EXTCLK = AV
DD
) 526
Two channels (INTCLK/EXTCLK = AV
DD
) 455
Four channels (INTCLK/EXTCLK = AV
DD
) 357
Internal-Clock Throughput Rate
(Note 5)
Eight channels (INTCLK/EXTCLK = AV
DD
) 250
ksps
Small-Signal Bandwidth 10 MHz
Full-Power Bandwidth 10 MHz
Aperture Delay 16 ns
Aperture Jitter 50 ps
RMS
Aperture-Delay Matching 100 ps
INTERNAL REFERENCE
REF
MS
Voltage V
REFMS
2.475 2.500 2.525 V
REF Voltage V
REF
2.475 2.500 2.525 V
REF Temperature Coefficient 30 ppm/°C
EXTERNAL REFERENCE (REF
MS
AND REF EXTERNALLY DRIVEN)
Input Current -250 +250 µA
REF
MS
Input Voltage Range V
REFMS
Unipolar devices 2.0 2.5 3.0 V
REF Voltage Input Range V
REF
2.0 2.5 3.0 V
REF Input Capacitance 15 pF
REF
MS
Input Capacitance 15 pF
DIGITAL INPUTS (D0–D7, RD, WR, CS, CLK, SHDN, ALLON, CONVST)
Input-Voltage High V
IH
0.7 x
DV
DD
V