Typical operating characteristics (continued) – Rainbow Electronics MAX1427 User Manual
Page 6
MAX1427
15-Bit, 80Msps ADC with -79.3dBFS
Noise Floor for Baseband Applications
6
_______________________________________________________________________________________
SNR vs. SAMPLING FREQUENCY
(f
IN
= 15.2MHz, A
IN
= -1dBFS)
MAX1427 toc10
f
CLK
(MHz)
SNR (dB)
30
40
50
70
60
80
71
72
73
74
75
76
77
78
20
SFDR1/SFDR2 vs. SAMPLING FREQUENCY
(f
IN
= 15.2MHz, A
IN
= -1dBFS)
MAX1427 toc11
f
CLK
(MHz)
SFDR1/SFDR2 (dBc)
80
70
60
50
40
30
75
80
85
90
95
100
70
20
SFDR1
SFDR2
HD2/HD3 vs. SAMPLING FREQUENCY
(f
IN
= 15.2MHz, A
IN
= -1dBFS)
MAX1427 toc12
f
CLK
(MHz)
HD2/HD3 (dBc)
70
50
30
40
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
-120
20
80
60
HD3
HD2
SNR vs. TEMPERATURE
(f
CLK
= 80.0195MHz,
f
IN
= 15.0012MHz, A
IN
= -1dBFS)
MAX1427 toc13
TEMPERATURE (°C)
SNR (dB)
60
35
10
-15
74
75
76
77
78
73
-40
85
SINAD vs. TEMPERATURE
(f
CLK
= 80.0195MHz,
f
IN
= 15.0012MHz, A
IN
= -1dBFS)
MAX1427 toc14
TEMPERATURE (°C)
SINAD (dB)
60
35
10
-15
74
75
76
77
78
71
72
73
-40
85
Typical Operating Characteristics (continued)
(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
= 80MHz, T
A
= +25°C. All AC data based on a 32k-point FFT
record and under coherent sampling conditions.)