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SBAS308A− MAY 2004 − REVISED MARCH 2005
ELECTRICAL CHARACTERISTICS (continued)
Typical values at TA = +25°C, full temperature range is TMIN = −40°C to TMAX = +85°C, AVDD = DRVDD = 3.3V, sampling rate = 80MSPS,
50% clock duty cycle, 3V
differential clock, and −1dBFS differential input, unless otherwise noted.
PP
PARAMETER
CONDITIONS
Room temp
MIN
80.0
78.0
TYP
92.0
90.0
88.0
87.0
86.0
88.0
85.0
77.0
89.0
88.0
79.0
85.0
83.0
83.0
80.0
76.0
88.0
87.0
73.8
73.5
73.2
73.2
72.5
72.5
71.8
69.8
90.0
88.0
83.4
86.0
84.0
83.4
81.2
75.8
11.9
MAX
UNIT
dBc
fIN = 10MHz
fIN = 55MHz
fIN = 70MHz
Full temp range
dBc
dBc
Room temp
80.0
78.0
dBc
Second-harmonic, HD2
Full temp range
dBc
fIN = 100MHz
fIN = 150MHz
fIN = 220MHz
dBc
dBc
dBc
Room temp
80.0
78.0
dBc
fIN = 10MHz
fIN = 55MHz
fIN = 70MHz
Full temp range
dBc
dBc
Room temp
80.0
78.0
dBc
Third-harmonic, HD3
Full temp range
dBc
fIN = 100MHz
fIN = 150MHz
fIN = 220MHz
fIN = 10MHz
fIN = 70MHz
dBc
dBc
dBc
Room temp
dBc
Worst-harmonic/spur
(other than HD2 and HD3)
Room temp
dBc
+25°C to +85°C
Full temp range
72.2
71.0
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBc
fIN = 10MHz
fIN = 55MHz
fIN = 70MHz
+25°C to +85°C
71.0
69.5
Signal-to-noise + distortion, SINAD
Full temp range
fIN = 100MHz
fIN = 150MHz
fIN = 220MHz
Room temp
78.0
76.0
fIN = 10MHz
fIN = 55MHz
fIN = 70MHz
Full temp range
dBc
dBc
Room temp
78.0
76.0
dBc
Total harmonic distortion, THD
Full temp range
dBc
fIN = 100MHz
fIN = 150MHz
fIN = 220MHz
fIN = 70MHz
dBc
dBc
dBc
Effective number of bits, ENOB
Bits
f = 10.1MHz, 15.1MHz
(−7dBFS each tone)
93.8
92.4
92.6
dBFS
dBFS
dBFS
f = 50.1MHz, 55.1MHz
(−7dBFS each tone)
Two-tone intermodulation distortion, IMD
f = 148.1MHz, 153.1MHz
(−7dBFS each tone)
4
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