DRV411_15 Datasheet, PDF (7/34 Pages) Texas Instruments – Sensor Signal Conditioning IC for Closed-Loop Magnetic Current Sensors

DRV411
www.ti.com
SBOS693B – AUGUST 2013 – REVISED DECEMBER 2013
TYPICAL CHARACTERISTICS (continued)
At V_DD = 5 V and T_A = +25 °C, unless otherwise noted.
150
500
V_DD = 5 V
450
125
400
V_DD = 5.5 V
GSEL [0,0]
350
100
V_DD = 3.3 V
300
250
75
200
150
50
100
50
25
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (ºC)
C008
Figure 7. FRONT-END OPEN-LOOP GAIN vs
TEMPERATURE
0
Offset Voltage (µV)
C04
Figure 8. FRONT-END OFFSET VOLTAGE HISTOGRAM
140
120
V_DD = 2.7 V
GSEL [00, 01, 10]
100
80
60
40
20
0
Offset Voltage Drift (µV/ºC)
C00
Figure 9. FRONT-END OFFSET VOLTAGE DRIFT
HISTOGRAM
8
GSEL [0,0]
6
4
2
GSEL [0,1]
0
-2
-4
GSEL [1,0]
-6
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Supply Voltage V_DD (V)
C009
Figure 10. FRONT-END OFFSET VOLTAGE vs POWER
SUPPLY
20
15
GSEL [0,0]
10
5
GSEL [0,1]
0
GSEL [1,0]
-5
-10
V_DD = 5.5 V
-15
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (ºC)
C011
Figure 11. FRONT-END OFFSET VOLTAGE vs
TEMPERATURE
6.0
5.8
5.6
5.4
5.2
V_DD = 5 V
5.0
4.8
4.6
V_DD = 3.3 V
4.4
Op-amp Mode
4.2 _{GSEL [1,1]}
4.0
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (ºC)
C010
Figure 12. FRONT-END OFFSET VOLTAGE vs
TEMPERATURE (OP-AMP MODE)
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