AMC6821-Q1 Datasheet, PDF (7/54 Pages) Texas Instruments – INTELLIGENT TEMPERATURE MONITOR AND PWM FAN CONTROLLER

AMC6821-Q1
www.ti.com ...................................................................................................................................................................................................... SBAS475 – JUNE 2009
TYPICAL CHARACTERISTICS (continued)
T_A = 25°C, V_DD = 5 V (unless otherwise noted)
TEMPERATURE ERROR vs DIFFERENTIAL MODE NOISE
FREQUENCY
5
TEMPERATURE ERROR vs CAPACITANCE
BETWEEN IN+ AND IN–
5
4
20mV_PP
0
3
2
-5
1
10mV_PP
-10
0
-1
10k
100k
1M
10M
Frequency (Hz)
Figure 8.
100M
-15
0
0.1
1.0
10.0
Capacitance IN+ to IN- (nF)
Figure 9.
PWM FREQUENCY ERROR vs TEMPERATURE
10
8
6
4
V_DD = 5V
2
0
-2
-4
V_DD = 3V
-6
-8
-10
0
20
40
60
80
100
DUT Temperature (°C)
Figure 10.
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