Typical operating characteristics – Rainbow Electronics MAX1419 User Manual
Page 5
MAX1419
15-Bit, 65Msps ADC with -79.3dBFS
Noise Floor for Baseband Applications
_______________________________________________________________________________________
5
FFT PLOT (32,768-POINT DATA RECORD,
COHERENT SAMPLING)
MAX1419 toc01
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dBFS)
25
20
15
10
5
-100
-80
-60
-40
-20
0
-120
0
30
f
CLK
= 65.0117MHz
f
IN
= 10.0013MHz
A
IN
= -1.02dBFS
SNR = 76.8dB
SFDR1 = 87.7dBc
SFDR2 = 98.3dBc
HD2 = 87.7dBc
HD3 = 91.5dBc
FFT PLOT (32,768-POINT DATA RECORD,
COHERENT SAMPLING)
MAX1419 toc02
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dBFS)
25
20
15
10
5
-100
-80
-60
-40
-20
0
-120
0
30
f
CLK
= 65.0117MHz
f
IN
= 15.0010MHz
A
IN
= -0.98dBFS
SNR = 76.5dB
SFDR1 = 89.1dBc
SFDR2 = 98.1dBc
HD2 = 94.8dBc
HD3 = 89dBc
FFT PLOT (32,768-POINT DATA RECORD,
COHERENT SAMPLING)
MAX1419 toc03
ANALOG INPUT FREQUENCY (MHz)
AMPLITUDE (dBFS)
25
20
15
10
5
-100
-80
-60
-40
-20
0
-120
0
30
f
CLK
= 65.0117MHz
f
IN
= 25.0004MHz
A
IN
= -06dBFS
SNR = 76.3dB
SFDR1 = 77.9dBc
SFDR2 = 92.3dBc
HD2 = 85.6dBc
HD3 = 77.9dBc
SNR vs. ANALOG INPUT FREQUENCY
(f
CLK
= 65.0117MHz, A
IN
= -1dBFS)
MAX1419 toc04
f
IN
(MHz)
SNR (dBc)
55
45
15
25
35
71
72
73
74
75
76
77
78
70
5
65
SFDR1/SFDR2 vs. ANALOG INPUT FREQUENCY
(f
CLK
= 65.0117MHz, A
IN
= -1dBFS)
MAX1419 toc05
f
IN
(MHz)
SFDR1/SFDR2 (dBc)
55
45
35
25
15
75
80
85
90
95
100
70
5
65
SFDR1
SFDR2
HD2/HD3 vs. ANALOG INPUT FREQUENCY
(f
CLK
= 65.0117MHz, A
IN
= -1dBFS)
MAX1419 toc06
f
IN
(MHz)
HD2/HD3 (dBc)
55
45
35
25
15
-95
-90
-85
-80
-75
-70
-100
5
65
HD2
HD3
FULL-SCALE-TO-NOISE RATIO vs.
ANALOG INPUT AMPLITUDE
(f
CLK
= 65.011712MHz, f
IN
= 15.0010MHz)
MAX1419 toc07
ANALOG INPUT AMPLITUDE (dBFS)
FULL-SCALE-TO-NOISE RATIO (dBFS)
-10
-20
-40
-30
-50
-60
71
72
73
74
75
76
77
78
79
80
70
-70
0
SFDR1/SFDR2 vs. ANALOG INPUT AMPLITUDE
(f
CLK
= 65.0117MHz, f
IN
= 15.0010MHz)
MAX1419 toc08
ANALOG INPUT AMPLITUDE (dBFS)
SFDR1/SFDR2 (dBFS)
-10
-20
-40
-30
-50
-60
80
90
100
110
120
130
70
-70
0
SFDR1
SFDR2
HD2/HD3 vs. ANALOG INPUT AMPLITUDE
(f
CLK
= 65.0117MHz, f
IN
= 15.0010MHz)
MAX1419 toc09
ANALOG INPUT AMPLITUDE (dBFS)
HD2/HD3 (dBFS)
-10
-20
-40
-30
-50
-60
-120
-110
-100
-90
-80
-70
-150
-140
-130
-70
0
HD3
HD2
Typical Operating Characteristics
(AV
CC
= 5V, DV
CC
= DRV
CC
= 2.5V, INP and INN driven differentially with a -1dBFS amplitude, CLKP and CLKN driven differentially
with a 2V
P-P
sinusoidal input signal, C
L
= 5pF at digital outputs, f
CLK
= 65MHz, T
A
= +25°C. All AC data based on a 32k-point FFT
record and under coherent sampling conditions.)