Rainbow Electronics MAX1211 - Manual (Page 14)

MAX1211
65Msps, 12-Bit, IF Sampling ADC
14 ______________________________________________________________________________________
65.0
66.5
66.0
65.5
67.0
67.5
68.0
68.5
69.0
69.5
70.0
0.15 1.15 0.65 1.65 2.15 2.65 3.15
SIGNAL-TO-NOISE RATIO vs. ANALOG
INPUT COMMON-MODE VOLTAGE
MAX1211 toc29
ANALOG INPUT COMMON-MODE VOLTAGE (V)
SNR (dB)
f IN = 32.1271954MHz
65.0
66.5
66.0
65.5
67.0
67.5
68.0
68.5
69.0
69.5
70.0
0.15 1.15 0.65 1.65 2.15 2.65 3.15
SIGNAL-TO-NOISE RATIO + DISTORTION
vs. ANALOG INPUT
COMMON-MODE VOLTAGE
MAX1211 toc30
ANALOG INPUT COMMON-MODE VOLTAGE (V)
SINAD (dB)
f IN = 32.1271954MHz
-100
-90
-95
-80
-85
-75
-70
0.15 1.15 1.65 0.65 2.15 2.65 3.15
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT COMMON-MODE VOLTAGE
MAX1211 toc31
ANALOG INPUT COMMON-MODE VOLTAGE (V)
THD (dBc)
f IN = 32.1271954MHz
70
80
75
90
85
95
100
0.15 1.15 1.65 0.65 2.15 2.65 3.15
SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT COMMON-MODE VOLTAGE
MAX1211 toc32
ANALOG INPUT COMMON-MODE VOLTAGE (V)
SFDR (dBc)
f IN = 32.1271954MHz
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.)