Rainbow Electronics MAX1124 - Manual (Page 6)

MAX1124
1.8V, 10-Bit, 250Msps Analog-to-Digital Converter
with LVDS Outputs for Wideband Applications
6 _______________________________________________________________________________________
-90
-75
-80
-85
-60
-65
-70
-50
-55
-45
-40
-28 -16 -12 -24 -20 -8 -4 0
HD2/HD3 vs. ANALOG INPUT AMPLITUDE
(f SAMPLE = 250.0057MHz, f IN = 60.0294MHz)
MAX1124 toc10
ANALOG INPUT AMPLITUDE (dBFS)
HD2/HD3 (dBc)
HD3
HD2
SNR vs. f
SAMPLE
(f
IN
= 60.0294MHz, A
IN
= -0.5dBFS)
MAX1124 toc11
f SAMPLE (MHz)
SNR (dB)
50
52
51
54
53
56
55
57
58
50
10 250 170 130 90 210
SFDR vs. f SAMPLE
(f IN = 60.0294MHz, A IN = -0.5dBFS)
MAX1124 toc12
f SAMPLE (MHz)
SFDR (dBc)
210 130 90 50
50
60
70
80
90
40
10 250 170
HD2/HD3 vs. f SAMPLE
(f IN = 60.03294MHz, A IN = -0.5dBFS)
MAX1124 toc13
f SAMPLE (MHz)
HD2/HD3 (dBc)
210 170 130 90 50
-95
-85
-75
-65
-90
-80
-70
-60
-100
10 250
HD2
HD3
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
TWO-TONE IMD PLOT (8192-POINT
DATA RECORD, COHERENT SAMPLING)
MAX1124 toc14
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
0 40 60 80 20 100 140 120
f SAMPLE = 250.0057MHz
f IN1 = 99.0317MHz
f IN2 = 101.0459MHz
A IN1 = A IN2 = -7dBFS
IMD = -65dBc
2f IN1 - f IN2
2f
IN2
-
f IN1
f IN1 f IN2
-1.0
-0.6
-0.8
-0.2
-0.4
0.2
0
0.4
0.8
0.6
1.0
256 384 128 0 512 640 768 896 1024
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1124 toc15
DIGITAL OUTPUT CODE
INL (LSB)
-0.6
-0.4
-0.2
0
0.4
0.2
0.6
256 384 128 0 512 640 768 896 1024
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1124 toc16
DIGITAL OUTPUT CODE
DNL (LSB)
2
0
-2
-4
-6
-8
-10
-12
10 100 1000
GAIN BANDWIDTH PLOT
(f
SAMPLE
= 250.0057MHz, A
IN
= -0.5dBFS)
MAX1124 toc17
ANALOG INPUT FREQUENCY (MHz)
GAIN (dB)
SNR vs. TEMPERATURE (f IN = 65.0344MHz,
f SAMPLE = 250.0057MHz, A IN = -0.5dBFS)
MAX1124 toc18
TEMPERATURE (°C)
SNR (dB)
60 35 10 -15
52
51
54
53
56
55
58
57
60
59
50
-40 85
Typical Operating Characteristics (continued)
(AV
CC
= OV
CC
= 1.8V, AGND = OGND = 0, f
SAMPLE
= 250.0057MHz, -0.5dBFS; see TOCs for detailed information on test condi-
tions, differential input drive, differential sine-wave clock input drive, 0.1µF capacitor on REFIO, internal reference, digital output pins
differential R
L = 100Ω, T A = +25°C.)