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SBAS274E − MARCH 2003 − REVISED JUNE 2004
TYPICAL CHARACTERISTICS (continued)
All specifications at T = 25°C, AVDD = 5V, DVDD = IOVDD = 3V, f
CLK
BIAS
= 40MHz, External V
REF
= +3V, 2XMODE = low, V
CM
= 2.0V, and
A
R
= 37kΩ, unless otherwise noted.
SIGNAL−TO−NOISE RATIO
vs TEMPERATURE
TOTAL HARMONIC DISTORTION
vs TEMPERATURE
−
−
−
100
90
80
70
60
50
85
90
95
−
−
VIN
VIN
=
=
2dBFS
6dBFS
−
−
−
VIN
VIN
VIN
=
=
=
20dBFS
2dBFS
6dBFS
−
100
−
105
−
110
−
VIN
=
20dBFS
fIN = 100kHz
fIN = 100kHz
−
−
15
40
10
35
60
85
−
−
15
40
10
35
60
85
_
_
Temperature ( C)
Temperature ( C)
SPURIOUS−FREE DYNAMIC RANGE
vs TEMPERATURE
POWER−SUPPLY CURRENT
vs TEMPERATURE
110
105
100
95
130
120
110
100
90
IAVDD (REFEN = low)
−
= 6dBFS
VIN
IAVDD (REFEN = high)
−
= 20dBFS
VIN
80
70
60
−
= 2dBFS
VIN
IDVDD + IIOVDD
90
50
40
fIN = 100kHz
Ω
DVDD = IOVDD = 3V
60 85
RBIAS = 37k , fCLK = 40MHz
85
30
−
−
−
−
15
40
15
10
35
60
85
40
10
35
_
_
Temperature ( C)
Temperature ( C)
ANALOG SUPPLY CURRENT vs RBIAS
SUPPLY CURRENT vs CLK FREQUENCY
140
130
120
110
100
90
100
80
60
40
20
0
Ω
IAVDD (RBIAS = 37k )
Ω
AVDD (RBIAS = 60k )
I
REFEN = low
REFEN = high
80
IDVDD + IIOVDD
70
60
AVDD = 5V, DVDD = IOVDD = 3V, REFEN = High
50
30
35
40
45
50
55
60
10
20
30
40
50
Ω
RBIAS (k )
CLK Frequency, fCLK (MHz)
15
BB [ BURR-BROWN CORPORATION ]
