Typical operating characteristics (continued) – Rainbow Electronics MAX1420 User Manual
Page 7
MAX1420
12-Bit, 60Msps, +3.3V, Low-Power ADC
with Internal Reference
Typical Operating Characteristics (continued)
(V
AVDD
= V
DVDD
= +3.3V, AGND = DGND = 0, V
IN
= ±1.024V, differential input voltage at -0.5dB FS, f
CLK
= 60.006MHz (50% duty
cycle), digital output load C
L
= 10pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25
°C.)
60
62
66
64
68
70
-40
10
-15
35
60
85
MAX1420 toc13
TEMPERATURE (
°C)
SNR (dB)
SIGNAL-TO-NOISE RATIO
vs. TEMPERATURE
f
IN
= 15MHz
2
1
0
-1
-2
0
2048
1024
3072
4096
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1421 toc17
DIGITAL OUTPUT CODE
INL (LSB)
0.50
0.25
0
-0.25
-0.50
0
2048
1024
3072
4096
MAX1420 toc18
DIGITAL OUTPUT CODE
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
INL (LSB)
-1.25
-1.00
-0.50
-0.75
-0.25
0
-40
10
-15
35
60
85
OFFSET ERROR vs. TEMPERATURE
MAX1420 toc20
TEMPERATURE (
°C)
OFFSET ERROR (%FSR)
55
57
61
59
63
65
3.1
3.5
MAX1420 toc21
AV
DD
(V)
I
AVDD
(mA)
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
3.3
3.2
3.4
64
68
76
72
80
84
-40
10
-15
35
60
85
MAX1420 toc16
TEMPERATURE (
°C)
SFDR (dB)
SPURIOUS-FREE DYNAMIC RANGE
vs. TEMPERATURE
f
IN
= 15MHz
-0.500
0.250
-40
10
-15
35
60
85
MAX1420 toc19
TEMPERATURE (
°C)
GAIN ERROR (%FSR)
GAIN ERROR vs. TEMPERATURE,
EXTERNAL REFERENCE V
REFIN
= +2.048V
-0.250
-0.375
0
-0.125
0.125
60
66
-40
10
-15
35
60
85
MAX1420
toc14
TEMPERATURE (
°C)
SINAD (dB)
SIGNAL-TO-NOISE + DISTORTION
vs. TEMPERATURE
f
IN
= 15MHz
62
61
64
63
65
-75
-73
-69
-71
-67
-65
-40
10
-15
35
60
85
MAX1420 toc15
TEMPERATURE (
°C)
THD (dB)
TOTAL HARMONIC DISTORTION
vs. TEMPERATURE
f
IN
= 15MHz
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