Datasheet

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SBAS203J − MARCH 2002 − REVISED JANUARY 2008
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18
TYPICAL CHARACTERISTICS (Continued)
AV
DD
= +5V, DV
DD
= +5V, f
OSC
= 8MHz, PGA = 1, f
MOD
= 15.625Hz, Bipolar, Buffer ON, and V
REF
= (REF IN+) − (REF IN−) = +2.5V, unless otherwise specified.
4500
4000
3500
3000
2500
2000
1500
1000
500
0
HISTOGRAM OF OUTPUT DATA
ppm of FS
−
2
Number of Occurrences
−
1.5
−
1
−
0.5 0 0.5 1 1.5 2
2.510
2.508
2.506
2.504
2.502
2.500
2.498
2.496
2.494
2.492
2.490
V
REFOUT
vs LOAD CURRENT
V
REFOUT
Current Load (mA)
0 0.4 0.8 1.2 1.6 2.0 2.4
V
REFOUT
(V)
10
8
6
4
2
0
−
2
−
4
−
6
−
8
−
10
−
12
OFFSET DAC: OFFSET vs TEMPERATURE
Offset (ppm of FSR)
−
40 +25 +85
Temperature (°C)
1.00006
1.00004
1.00002
1
0.99998
0.99996
0.99994
OFFSET DAC: GAIN vs TEMPERATURE
Normalized Gain
−
40 +25 +85
Temperature (°C)
DIGITAL CURRENT vs FREQUENCY
Clock Frequency (MHz)
Supply Current (mA)
1 10 100 1000
100
10
1
5V All Periph ON
5V All Periph OFF
5V All Periph ON IDLE
3V All Periph ON
3V All Periph OFF
3V All Periph ON IDLE
Clock Frequency (MHz)
Digital Current (
µ
A)
01020 4030
100
10
1
0.1
DIGITAL STOP CURRENT vs FREQUENCY with EXT CLOCK