Rainbow Electronics MAX1211 - Manual (Page 10)

MAX1211
65Msps, 12-Bit, IF Sampling ADC
10 ______________________________________________________________________________________
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.)
60
62
61
64
63
66
65
67
69
68
70
30 40 45 50 35 55 60 65 70
SIGNAL-TO-NOISE RATIO
vs. SAMPLING RATE
MAX1211 toc13
f CLK (MHz)
SNR (dB)
f IN
≈ 250MHz
DIFFERENTIAL CLOCK
SINGLE-ENDED CLOCK
60
62
61
64
63
66
65
67
69
68
70
30 40 45 50 35 55 60 65 70
SIGNAL-TO-NOISE DISTORTION
vs. SAMPLING RATE
MAX1211 toc14
f CLK (MHz)
SINAD (dB)
f IN
≈ 250MHz
DIFFERENTIAL CLOCK
SINGLE-ENDED CLOCK
-90
-80
-85
-70
-75
-60
-65
-55
-50
30 40 45 50 35 55 60 65 70
TOTAL HARMONIC DISTORTION
vs. SAMPLING RATE
MAX1211 toc15
f CLK (MHz)
THD (dBc)
f
IN
≈ 250MHz
SINGLE-ENDED CLOCK
DIFFERENTIAL CLOCK
60
65
70
75
80
85
90
30 40 35 45 50 55 60 65 70
SPURIOUS-FREE DYNAMIC RANGE
vs. SAMPLING RATE
MAX1211 toc16
f
CLK
(MHz)
SFDR (dBc)
f IN
≈ 250MHz
DIFFERENTIAL CLOCK
SINGLE-ENDED CLOCK