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
8
_______________________________________________________________________________________
OUTPUT HISTOGRAM (DC INPUT)
MAX1304
toc10
DIGITAL OUTPUT CODE
COUNTS
2048
2047
2046
2045
1000
2000
3000
4000
5000
6000
0
2044
00
1084
5497
1611
SMALL-SIGNAL BANDWIDTH
vs. ANALOG INPUT FREQUENCY
MAX1304
toc07
ANALOG INPUT FREQUENCY (MHz)
GAIN
(dB)
10
1
-10
-8
-6
-4
-2
0
2
-12
0.1
100
AIN = -20dBFS
LARGE-SIGNAL BANDWIDTH
vs. ANALOG INPUT FREQUENCY
MAX1304
toc08
ANALOG INPUT FREQUENCY (MHz)
GAIN
(dB)
10
1
-10
-8
-6
-4
-2
0
2
-12
0.1
100
AIN = -0.5dBFS
FFT PLOT
(2048-POINT DATA RECORD)
MAX1304
toc09
FREQUENCY (kHz)
AMPLITUDE
(dBFS)
300
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-110
0
100
200
400
500
fTH = 1.04167Msps
fIN = 500kHz
AIN = -0.05dBFS
SNR = 70.7dB
SINAD = 70.6dB
THD = -87.5dBc
SFDR = 87.1dBc