Typical Operating 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 (bipolar
devices), f
CLK
= 16.67MHz 50% duty cycle, INTCLK/EXTCLK = AGND (external clock), f
IN
= 500kHz, A
IN
= -0.4dBFS. T
A
= +25°C,
unless otherwise noted.) (Figures 3 and 4)
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
12 ______________________________________________________________________________________
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
MAX1304 toc25
V
AVDD
(V)
V
REF
(V)
5.25.14.8 4.9 5.0
2.4997
2.4998
2.4999
2.5000
2.5001
2.5002
2.5003
2.5004
2.4996
4.7 5.3
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX1304 toc26
TEMPERATURE (°C)
V
REF
(V)
6035-15 10
2.497
2.498
2.499
2.500
2.501
2.502
2.503
2.504
2.496
-40
85
INTERNAL CLOCK CONVERSION TIME
vs. ANALOG SUPPLY VOLTAGE
MAX1304 toc27
V
AVDD
(V)
TIME (ns)
5.25.15.04.94.8
100
200
300
400
500
600
700
800
900
0
4.7 5.3
t
NEXT
t
CONV
INTERNAL CLOCK CONVERSION TIME
vs. TEMPERATURE
MAX1304 toc28
TEMPERATURE (°C)
TIME (ns)
603510-15
180
200
780
800
820
160
-40
85
t
NEXT
t
CONV
MAX1304 toc29
V
CH_
(V)
I
CH_
(mA)
420-2-4
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
2.0
-2.0
-6 6
ANALOG INPUT CHANNEL CURRENT
vs. ANALOG INPUT CHANNEL VOLTAGE
MAX1304/MAX1305/MAX1306
-3.0
-2.5
-1.0
-0.5
-1.5
-2.0
0
0.5
1.0
2.0
2.5
1.5
3.0
-20 -15 -10 -5 0 5 10 15 20
ANALOG INPUT CHANNEL CURRENT
vs. ANALOG INPUT CHANNEL VOLTAGE
MAX1304 toc30
V
CH_
(V)
I
CH_
(mA)
MAX1308/MAX1309/MAX1310
-2.0
-1.0
-1.5
0
-0.5
0.5
1.0
1.5
2.0
-20 -10 -5-15 0 5 10 15 20
ANALOG INPUT CHANNEL CURRENT
vs. ANALOG INPUT CHANNEL VOLTAGE
MAX1304 toc31
V
CH_
(V)
I
CH_
(mA)
MAX1312/MAX1313/MAX1314
