Rainbow-electronics MAX1123 Manual de usuario Pagina 6

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MAX1123
1.8V, 10-Bit, 210Msps Analog-to-Digital Converter
with LVDS Outputs for Wideband Applications
6 _______________________________________________________________________________________
-90
-75
-80
-85
-60
-65
-70
-55
-50
-28 -16 -12-24 -20 -8 -4 0
HD2/HD3 vs. ANALOG INPUT AMPLITUDE
(f
SAMPLE
= 210.0057MHz, f
IN
= 60.0126MHz)
MAX1123 toc10
ANALOG INPUT AMPLITUDE (dBFS)
HD2/HD3 (dBc)
HD2
HD3
SNR vs. f
SAMPLE
(f
IN
= 60.0126MHz, A
IN
= -0.5dBFS)
MAX1123 toc11
f
SAMPLE
(MHz)
SNR (dB)
170130 150 1909050 70 11030
52
51
54
53
56
55
58
57
60
59
50
10 210
SFDR vs. f
SAMPLE
(f
IN
= 60.0126MHz, A
IN
= -0.5dBFS)
MAX1123 toc12
f
SAMPLE
(MHz)
SFDR (dBc)
1701309050
50
60
70
80
90
40
10 2101501107030 190
HD2/HD3 vs. f
SAMPLE
(f
IN
= 60.0126MHz, A
IN
= -0.5dBFS)
MAX1123 toc13
f
SAMPLE
(MHz)
HD2/HD3 (dBc)
1701309050
-92
-84
-76
-68
-60
-100
10 2101501107030 190
HD2
HD3
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
040608020 100 120
TWO-TONE IMD PLOT (8192-POINT
DATA RECORD, COHERENT SAMPLING)
MAX1123 toc14
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dB)
f
SAMPLE
= 210.0057MHz
f
IN1
= 99.0298MHz
f
IN2
= 101.0293MHz
A
IN1
= A
IN2
= -7dBFS
IMD = -75dBc
2f
IN1
- f
IN2
2f
IN2
-
f
IN1
f
IN1
f
IN2
-0.5
-0.3
-0.4
-0.1
-0.2
0.1
0
0.2
0.4
0.3
0.5
256 3841280 512 640 768 896 1024
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1123 toc15
DIGITAL OUTPUT CODE
INL (LSB)
-0.5
-0.3
-0.4
-0.1
-0.2
0.1
0
0.2
0.4
0.3
0.5
256 3841280 512 640 768 896 1024
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1123 toc16
DIGITAL OUTPUT CODE
DNL (LSB)
2
0
-2
-4
-6
-8
-10
-12
10 100 1000
GAIN BANDWIDTH PLOT
(f
SAMPLE
= 210.0057MHz, A
IN
= -0.5dBFS)
MAX1123 toc17
ANALOG INPUT FREQUENCY (MHz)
GAIN (dB)
SNR vs. TEMPERATURE (f
IN
= 64.9974MHz,
f
SAMPLE
= 210.0428MHz, A
IN
= -0.5dBFS)
MAX1123 toc18
TEMPERATURE (
°
C)
SNR (dB)
603510-15
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
= 210.0057MHz, -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
= 100, T
A
= +25°C.)
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