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SBAS308A− MAY 2004 − REVISED MARCH 2005
ELECTRICAL CHARACTERISTICS
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
MIN
TYP
MAX
UNIT
Resolution
14
Bits
Analog Inputs
Differential input range
Differential input capacitance
2.3
4
VPP
pF
See Figure 37
Analog input common-mode current (per
input)
200
µA
Analog input bandwidth
Source impedance = 50Ω
750
4
MHz
Voltage overload recovery time
Internal Reference Voltages
Reference bottom voltage, VREFM
Reference top voltage, VREFP
Reference error
Clock Cycles
1.0
2.15
0.6
V
V
−4
+4
%
V
Common-mode voltage output, VCM
1.575
Dynamic DC Characteristics and Accuracy
No missing codes
Tested
0.5
Differential nonlinearity error, DNL
Integral nonlinearity error, INL
Offset error
fIN = 10MHz
−0.9
−5.0
1.1
LSB
LSB
fIN = 10MHz
2.0
+5.0
1.5
mV
Offset temperature coefficient
0.02
mV/°C
∆offset error/∆AVDD from
AVDD = 3.0V to AVDD = 3.6V
DC power supply rejection ratio, DC PSRR
0.25
mV/V
Gain error
0.3
%FS
Gain temperature coefficient
Dynamic AC Characteristics
−0.02
∆%/°C
+25°C to +85°C
72.7
71.5
74.3
74.0
73.7
73.5
73.0
72.9
71.9
70.7
1.1
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
LSB
fIN = 10MHz
fIN = 55MHz
fIN = 70MHz
Full temp range
+25°C to +85°C
71.5
70.0
Signal-to-noise ratio, SNR
Full temp range
fIN = 100MHz
fIN = 150MHz
fIN = 220MHz
RMS idle channel noise
Input tied to common-mode
Room temp
80.0
78.0
92.0
90.0
88.0
87.0
86.0
88.0
85.0
77.0
dBc
fIN = 10MHz
fIN = 55MHz
fIN = 70MHz
Full temp range
dBc
dBc
Room temp
80.0
78.0
dBc
Spurious-free dynamic range, SFDR
Full temp range
dBc
fIN = 100MHz
fIN = 150MHz
fIN = 220MHz
dBc
dBc
dBc
3
BB [ BURR-BROWN CORPORATION ]
