Typical Operating Characteristics (continued)
(VAVDD = +5V, VDVDD = +3V, VAGND = VDGND = 0V, VREF = VREFMS = +2.5V (external reference), CREF = CREFMS = 0.1F, CREF+ =
CREF- = 0.1F, CREF+-to-REF- = 2.2F || 0.1F, CCOM = 2.2F || 0.1F, CMSV = 2.2F || 0.1F (unipolar devices), MSV = AGND (bipolar
devices), fCLK = 16.67MHz 50% duty cycle, INTCLK/EXTCLK = AGND (external clock), fIN = 500kHz, AIN = -0.4dBFS. TA = +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
10
______________________________________________________________________________________
SIGNAL-TO-NOISE RATIO
vs. REFERENCE VOLTAGE
MAX1304
toc15
VREF (V)
SNR
(dB)
2.8
2.6
2.4
2.2
66
67
68
69
70
71
72
73
74
75
65
2.0
3.0
SIGNAL-TO-NOISE PLUS DISTORTION
vs. REFERENCE VOLTAGE
MAX1304
toc16
VREF (V)
SINAD
(dB)
2.8
2.6
2.4
2.2
66
67
68
69
70
71
72
73
74
75
65
2.0
3.0
TOTAL HARMONIC DISTORTION
vs. REFERENCE VOLTAGE
MAX1304
toc17
VREF (V)
THD
(dBc)
2.8
2.6
2.4
2.2
-88
-86
-84
-82
-80
-78
-76
-74
-72
-70
-90
2.0
3.0
SPURIOUS-FREE DYNAMIC RANGE
vs. REFERENCE VOLTAGE
MAX1304
toc18
VREF (V)
SFDR
(dBc)
2.8
2.6
2.4
2.2
75
80
85
90
95
100
70
2.0
3.0