MAX1124 Datasheet, PDF (5/17 Pages) Maxim Integrated Products – 1.8V, 10-Bit, 250Msps Analog-to-Digital Converter with LVDS Outputs for Wideband Applications

1.8V, 10-Bit, 250Msps Analog-to-Digital Converter
with LVDS Outputs for Wideband Applications
Typical Operating Characteristics
(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.)
FFT PLOT (8192-POINT DATA RECORD,
COHERENT SAMPLING)
0
-10
f_SAMPLE = 250.0057MHz
f_IN = 11.5054MHz
-20
A_IN = -0.4795dBFS
SNR = 56.5dB
-30
SFDR = 73.5dBc
-40
HD2 = -82.4dBc
HD3 = -73.5dBc
-50
-60
-70
HD2 ^HD3
-80
-90
-100
0
20 40 60 80 100 120 140
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT (8192-POINT DATA RECORD,
COHERENT SAMPLING)
0
-10
f_SAMPLE = 250.0057MHz
f_IN = 60.0294MHz
-20
A_IN = -0.4885dBFS
SNR = 56.4dB
-30
SFDR = 74.6dBc
-40
HD2 = -82.1dBc
HD3 = -75.6dBc
-50
-60
HD3
-70
HD2
-80
-90
-100
0
20 40 60 80 100 120 140
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT (8192-POINT DATA RECORD,
COHERENT SAMPLING)
0
-10
f_SAMPLE = 250.0057MHz
f_IN = 183.5064MHz
-20
A_IN = -0.5335dBFS
SNR = 56dB
-30
SFDR = 68.7dBc
-40
HD2 = -78.1dBc
HD3 = -68.7dBc
-50
HD3
-60
HD2
-70
-80
-90
-100
0
20 40 60 80 100 120 140
ANALOG INPUT FREQUENCY (MHz)
FFT PLOT (8192-POINT DATA RECORD,
COHERENT SAMPLING)
0
-10
-20
FUNDAMENTAL
f_SAMPLE = 250.0057MHz
f_IN = 500.516MHz
A_IN = -0.5155dBFS
SNR = 55.4dB
-30
SFDR = 64.8dBc
-40
-50
HD2
-60
HD3
-70
HD2 = -69.9dBc
HD3 = -64.8dBc
-80
-90
-100
0
20 40 60 80 100 120 140
ANALOG INPUT FREQUENCY (MHz)
SNR vs. ANALOG INPUT FREQUENCY
(f_SAMPLE = 250.0057MHz, A_IN = -0.5dBFS)
58
57
56
55
54
53
52
51
50
0
100 200 300 400 500
f_IN (MHz)
SFDR vs. ANALOG INPUT FREQUENCY
(f_SAMPLE = 250.0057MHz, A_IN = -0.5dBFS)
80
75
70
65
60
55
50
45
40
35
30
0
100 200 300 400 500
f_IN (MHz)
HD2/HD3 vs. ANALOG INPUT FREQUENCY
(f_SAMPLE = 250.0057MHz, A_IN = -0.5dBFS)
-50
SNR vs. ANALOG INPUT AMPLITUDE
(f_SAMPLE = 250.0057MHz, f_IN = 60.0294MHz)
62
SFDR vs. ANALOG INPUT AMPLITUDE
(f_SAMPLE = 250.0057MHz, f_IN = 60.0294MHz)
80
57
75
-60
HD3
52
70
-70
47
65
60
-80
HD2
42
55
37
50
-90
32
45
-100
0
100 200 300 400 500
f_IN (MHz)
27
-28 -24 -20 -16 -12 -8 -4 0
ANALOG INPUT AMPLITUDE (dBFS)
40
-28 -24 -20 -16 -12 -8 -4 0
ANALOG INPUT AMPLITUDE (dBFS)
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