Datasheet

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX1314
8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
AVDD
= +5V, V
DVDD
= +3V, V
AGND
= V
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), MSV = AGND (bipo-
lar devices), f
CLK
= 16.67MHz 50% duty cycle, INTCLK/EXTCLK = AGND (external clock), SHDN = DGND, T
A
= T
MIN
to T
MAX
,
unless otherwise noted. Typical values are at T
A
= +25°C. See Figures 3 and 4.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX1304/MAX1305/MAX1306 7.58
MAX1308/MAX1309MAX1310 8.66
Input Resistance
(Note 3)
R
CH
MAX1312/MAX1313/MAX1314 14.26
kΩ
V
CH
= +5V 0.54 0.72
MAX1304/MAX1305/MAX1306
V
CH
= 0V -0.157 -0.12
V
CH
= +5V 0.29 0.39
MAX1308/MAX1309/MAX1310
V
CH
= -5V -1.16 -0.87
V
CH
= +10V 0.56 0.74
Input Current
(Note 3)
I
CH
MAX1312/MAX1313/MAX1314
V
CH
= -10V -1.13 -0.85
mA
Input Capacitance C
CH
15 pF
TRACK/HOLD
One channel selected for conversion 1075
Two channels selected for conversion 901
Four channels selected for conversion 680
External-Clock Throughput Rate
(Note 4)
f
TH
Eight channels selected for conversion 456
ksps
One channel selected for conversion 983
Two channels selected for conversion 821
Four channels selected for conversion 618
Internal-Clock Throughput Rate
(Note 4, Table 1)
f
TH
Eight channels selected for conversion 413
ksps
Small-Signal Bandwidth 20 MHz
Full-Power Bandwidth 20 MHz
Aperture Delay t
AD
8ns
Aperture-Delay Matching 100 ps
Aperture Jitter t
AJ
50 ps
RMS
INTERNAL REFERENCE
REF Output Voltage V
REF
2.475 2.500 2.525 V
Reference Output-Voltage
Temperature Drift
30 ppm/°C
REF
MS
Output Voltage V
REFMS
2.475 2.500 2.525 V
REF+ Output Voltage V
REF+
3.850 V
COM Output Voltage V
COM
2.600 V
REF- Output Voltage V
REF-
1.350 V
Differential Reference Voltage
V
REF+
-
V
REF
-
2.500 V