Datasheet


SBAS286C − JUNE 2003 − REVISED JANUARY 2009
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6
TYPICAL CHARACTERISTICS
At T
A
= −40°C to +85°C, AVDD = +5V, DVDD = +5V, f
CLK
= 2MHz, and V
REF
= +2.5V, unless otherwise noted.
Figure 1
ANALOG CURRENT vs TEMPERATURE
Temperature (
_
C)
Current (
µ
A)
350
325
300
275
250
225
200
5
−
25 35 65 95 125
−
55
f
CLK
=4MHz,AVDD=5V
f
CLK
=2MHz,AVDD=3V
f
CLK
=4MHz,AVDD=3V
f
CLK
=2MHz,AVDD=5V
Buffer Off
Figure 2
ANALOG CURRENT vs TEMPERATURE
Temperature (
_
C)
Current (
µ
A)
5
−
25 35 65 95 125
−
55
500
450
400
350
300
f
CLK
= 4MHz, AVDD = 5V
f
CLK
=2MHz,AVDD=3V
f
CLK
=4MHz,AVDD=3V
f
CLK
=2MHz,AVDD=5V
Buffer On
Figure 3
DIGITAL CURRENT vs TEMPERATURE
Temperature (
_
C)
Current (
µ
A)
5
−
25 35 65 95 125
−
55
50
40
30
20
10
0
f
CLK
=4MHz,AVDD=5V
f
CLK
=2MHz,AVDD=3V
f
CLK
=4MHz,AVDD=3V
f
CLK
=2MHz,AVDD=5V
Figure 4
ANALOG CURRENT vs SUPPLY VOLTAGE
Supply Voltage (V)
Current (
µ
A)
3.53.0 4.0 4.5 5.0 5.52.5
450
400
350
300
250
200
Buffer Off
Buffer On
f
CLK
=2MHz
Figure 5
DIGITAL CURRENT vs SUPPLY VOLTAGE
Supply Voltage (V)
Current (
µ
A)
3.53.0 4.0 4.5 5.0 5.52.5
50
40
30
20
10
0
f
CLK
=2MHz
f
CLK
=4MHz
Figure 6
TEMPERATURE SENSOR VOLTAGE vs TEMPERATURE
Temperature (
_
C)
Temperature Sensor Voltage (mV)
5
−
25 35 65 95 125
−
55
150
140
130
120
110
100
90
80
70