Datasheet

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SBAS417B − JUNE 2007 − REVISED JANUARY 2008
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7
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, +V
CC
= +2.7V, IOVDD = +1.8V, V
REF
= External +2.5V, 12-bit mode, PD0 = 0, f
SAMPLE
= 125kHz, and f
CLK
= 16 • f
SAMPLE
= 2MHz,
unless otherwise noted.
CHANGE IN GAIN vs TEMPERATURE
−
40
−
200 20406080100
0.15
0.10
0.05
0
−
0.05
−
0.10
−
0.15
Temperature (°C)
Delta from +25°C (LSB)
CHANGE IN OFFSET vs TEMPERATURE
−
40
−
20 0 20 40 60 80 100
0.6
0.4
0.2
0
−
0.2
−
0.4
−
0.6
Temperature (°C)
Delta from +25°C (LSB)
REFERENCE CURRENT vs SAMPLE RATE
0 255075100125
Sample Rate (kHz)
Reference Current (
µ
A)
14
12
10
8
6
4
2
0
Temperature (°C)
REFERENCE CURRENT vs TEMPERATURE
−
40
−
200 20406080100
Reference Current (
µ
A)
18
16
14
12
10
8
6
SWITCH ON− RESISTANCE vs +V
CC
(X+, Y+: +V
CC
to Pin; X
−
,Y
−
: Pin to GND)
2.0 2.5 3.0 3.5 4.0 4.5 5.0
+V
CC
(V)
8
7
6
5
4
3
Y
−
X
−
X+, Y+
R
ON
(Ω)
SWITCH ON−RESISTANCE vs TEMPERATURE
(X+, Y+: +V
CC
to Pin; X
−
,Y
−
: Pin to GND)
−
40
−
20 0 20 40 60 80 100
8
7
6
5
4
3
2
1
Y
−
X
−
X+, Y+
Temperature (°C)
R
ON
(Ω)