
MAX1209
12-Bit, 80Msps, 3.3V IF-Sampling ADC
10 ______________________________________________________________________________________
62
64
63
65
66
67
68
69
70
-40 10-15 35 60 85
SNR, SINAD vs. TEMPERATURE
MAX1209 toc25
TEMPERATURE (
°
C)
SNR, SINAD (dB)
f
CLK
≈ 80MHz
f
IN
≈ 175MHz
SNR
SINAD
75
81
79
77
83
85
87
89
91
93
95
-40 10-15 35 60 85
SFDR, -THD vs. TEMPERATURE
MAX1209 toc26
TEMPERATURE (
°
C)
SFDR, -THD (dBc)
f
CLK
≈ 80MHz
f
IN
≈ 175MHz
SFDR
-THD
200
300
250
350
450
400
500
550
-40 10-15 35 60 85
ANALOG POWER DISSIPATION
vs. TEMPERATURE
MAX1209 toc27
TEMPERATURE (
°
C)
ANALOG POWER DISSIPATION (
°
C)
DIFFERENTIAL CLOCK
f
CLK
≈ 80MHz
f
IN
≈ 175MHz
C
L
≈ 5pF
-0.5
-0.2
-0.3
-0.4
-0.1
0
0.1
0.2
0.3
0.4
0.5
-40 10-15 35 60 85
OFFSET ERROR vs. TEMPERATURE
MAX1209 toc28
TEMPERATURE (
°
C)
OFFSET ERROR (%FS)
V
REFIN
= 2.048V
Typical Operating Characteristics (continued)
(V
DD
= 3.3V, OV
DD
= 2.0V, GND = 0, REFIN = REFOUT (internal reference), V
IN
= -0.5dBFS, CLKTYP = high, DCE = high, PD = low,
G/T = low, f
CLK
= 80MHz (50% duty cycle), T
A
= +25°C, unless otherwise noted.)
-3
-1
-2
0
1
2
3
-40 10-15 35 60 85
GAIN ERROR vs. TEMPERATURE
MAX1209 toc29
TEMPERATURE (
°
C)
GAIN ERROR (%FS)
V
REFIN
= 2.048V
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