Rainbow Electronics MAX1211 - Manual (Page 12)

MAX1211
65Msps, 12-Bit, IF Sampling ADC
12 ______________________________________________________________________________________
30
40
35
55
50
45
70
65
60
75
-40 -25 -20 -35 -30 -15 -10 -5 0
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT POWER
MAX1211 toc21
ANALOG INPUT POWER (dBFS)
SNR (dB)
f IN = 32.1271954MHz
30
40
35
55
50
45
70
65
60
75
-40 -25 -20 -35 -30 -15 -10 -5 0
SIGNAL-TO-NOISE + DISTORTION
vs. ANALOG INPUT POWER
MAX1211 toc22
ANALOG INPUT POWER (dBFS)
SINAD (dB)
f IN = 32.1271954MHz
-90
-80
-85
-65
-70
-75
-50
-55
-60
-45
-40 -25 -20 -35 -30 -15 -10 -5 0
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT POWER
MAX1211 toc23
ANALOG INPUT POWER (dBFS)
THD (dBc)
f IN = 32.1271954MHz
-95
55
65
60
80
75
70
95
90
85
100
-40 -25 -20 -35 -30 -15 -10 -5 0
SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT POWER
MAX1211 toc24
ANALOG INPUT POWER (dBFS)
SFDR (dBc)
f IN = 32.1271954MHz
50
Typical Operating Characteristics (continued)
(V
DD
= 3.3V, OV
DD
= 2.0V, GND = 0, REFIN = REFOUT (internal reference), C
REFOUT
= 0.1µF, C
L
≈ 5pF at digital outputs, differential
input at -0.5dBFS, DCE = high, CLKTYP = high, PD = low, G/T = low, f CLK
≈ 65MHz (50% duty cycle), C
REFP = C REFN = 0.1µF to GND,
1µF in parallel with 10µF between REFP and REFN, C COM = 0.1µF in parallel with 2.2µF to GND, T A = +25°C, unless otherwise noted.)