Typical operating characteristics (continued) – Rainbow Electronics MAX1422 User Manual
Page 6
MAX1422
12-Bit, 20Msps, +3.3V, Low-Power ADC with
Internal Reference
6
_______________________________________________________________________________________
0
20
40
60
80
100
-60
-40
-50
-30
-20
-10
0
SIGNAL-TO-NOISE RATIO
vs. INPUT POWER (f
IN
= 5MHz)
MAX1422 toc10
INPUT POWER (dB FS)
SNR (dB)
-80
-70
-30
-40
-20
-10
-60
-40
-50
-30
-20
-10
0
TOTAL HARMONIC DISTORTION
vs. INPUT POWER (f
IN
= 5MHz)
MAX1422 toc11
INPUT POWER (dB FS)
THD (dBc) -50
-60
0
60
50
70
80
-60
-40
-50
-30
-20
-10
0
SIGNAL-TO-NOISE PLUS DISTORTION
vs. INPUT POWER (f
IN
= 5MHz)
MAX1422 toc12
INPUT POWER (dB FS)
SINAD (dB)
20
10
30
40
64
68
76
72
80
84
-40
10
-15
35
60
85
SPURIOUS-FREE DYNAMIC RANGE
vs. TEMPERATURE
MAX1422 toc13
TEMPERATURE (
°C)
SFDR (dBc)
f
IN
= 5.52235MHz
60
62
66
64
68
70
-40
10
-15
35
60
85
SIGNAL-TO-NOISE RATIO
vs. TEMPERATURE
MAX1422
toc14
TEMPERATURE (
°C)
SNR (dB)
f
IN
= 5.52235MHz
-77
-75
-71
-73
-69
-67
-40
10
-15
35
60
85
TOTAL HARMONIC DISTORTION
vs. TEMPERATURE
MAX1422
toc15
TEMPERATURE (
°C)
THD (dB)
f
IN
= 5.52235MHz
60
62
66
64
68
70
-40
10
-15
35
60
85
SIGNAL-TO-NOISE PLUS DISTORTION
vs. TEMPERATURE
MAX1422
toc16
TEMPERATURE (
°C)
SINAD (dB)
f
IN
= 5.52235MHz
2
1
0
-1
-2
0
2048
1024
3072
4096
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1422 toc17
DIGITAL OUTPUT CODE
INL (LSB)
0.50
0.25
0
-0.25
-0.50
0
2048
1024
3072
4096
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1422 toc18
DIGITAL OUTPUT CODE
DNL (LSB)
Typical Operating Characteristics (continued)
(V
AVDD
= V
DVDD
= +3.3V, AGND = DGND = 0, V
IN
= ±1.024V, differential input voltage, f
CLK
= 20MHz (50% duty cycle) digital out-
put load C
L
= 10pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25
°C.)