Typical operating characteristics (continued) – Rainbow Electronics MAX1215 User Manual
Page 6
MAX1215
1.8V, 12-Bit, 250Msps ADC for
Broadband Applications
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(AV
CC
= OV
CC
= 1.8V, AGND = OGND = 0, f
SAMPLE
= 250MHz, A
IN
= -1dBFS; see each TOC 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
Ω, T
A
= +25°C.)
SFDR vs. ANALOG INPUT AMPLITUDE
(f
SAMPLE
= 249.99936MHz, f
IN
= 65.03279MHz)
MAX1215 toc10
ANALOG INPUT AMPLITUDE (dBFS)
SFDR (dBc)
-5
-15
-25
-35
-45
-10
-20
-30
-40
-50
40
50
70
60
80
90
30
-55
0
HD2/HD3 vs. ANALOG INPUT AMPLITUDE
(f
SAMPLE
= 249.99936MHz, f
IN
= 65.03279MHz)
MAX1215 toc11
ANALOG INPUT AMPLITUDE (dBFS)
HD2/HD3 (dBc)
-5
-15
-25
-35
-45
-10
-20
-30
-40
-50
-90
-80
-60
-70
-40
-50
-30
-100
-55
0
HD3
HD2
SNR/SINAD vs. SAMPLE
FREQUENCY
(f
IN
= 65MHz, A
IN
= -1dBFS)
MAX1215 toc12
f
SAMPLE
(MHz)
SNR/SINAD (dB)
150
100
50
200
61
62
66
64
68
63
67
65
69
60
0
250
SNR
SINAD
SFDR vs. SAMPLE FREQUENCY
(f
IN
= 65MHz, A
IN
= -1dBFS)
MAX1215 toc13
f
SAMPLE
(MHz)
SFDR (dBc)
150
100
50
200
55
60
80
70
65
85
75
90
50
0
250
HD2/HD3 vs. SAMPLE FREQUENCY
(f
IN
= 65MHz, A
IN
= -1dBFS)
MAX1215 toc14
f
SAMPLE
(MHz)
HD2/HD3 (dBc)
150
100
50
200
-105
-100
-75
-90
-95
-65
-80
-70
-85
-60
-110
0
250
HD3
HD2
TOTAL POWER DISSIPATION vs. SAMPLE
FREQUENCY (f
IN
= 65MHz, A
IN
= -1dBFS)
MAX1215 toc15
f
SAMPLE
(MHz)
P
DISS
(mW)
150
100
50
200
900
920
910
930
980
950
940
1000
970
990
960
1010
890
0
250
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1215 toc16
DIGITAL OUTPUT CODE
INL (LSB)
3584
3072
2048 2560
1024 1536
512
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
4096
f
IN
= 13MHz
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1215 toc17
DIGITAL OUTPUT CODE
DNL (LSB)
3584
3072
2048 2560
1024 1536
512
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
4096
f
IN
= 13MHz
1
-7
10
100
1000
GAIN BANDWIDTH PLOT
(f
SAMPLE
= 249.99936MHz, A
IN
= -1dBFS)
-5
-6
MAX1215 toc18
ANALOG INPUT FREQUENCY (MHz)
GAIN (dB)
-3
-4
-1
0
-2
DIFFERENTIAL TRANSFORMER COUPLING