DRV411_15 Datasheet, PDF (11/34 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.
3.75
3.5
Negative Overrange
3.25
3
Positive Overrange
2.75
2.5
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (ºC)
C020
Figure 31. OVERRANGE DELAY vs TEMPERATURE
3.0
2.5
2.0
1.5
1.0
0.5
0.0
±0.5
±1.0
±1.5
V_IN
±2.0
V_OUT
±2.5
±3.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Time (ms)
C021
Figure 32. DIFFERENTIAL AMPLIFIER OVERLOAD
RECOVERY
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
V_IN
1.5
V_OUT
1.0
0.5
0.0
±1.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0
Time (µs)
C022
Figure 33. DIFFERENTIAL AMPLIFIER STEP RESPONSE
1.5
1.3
1.0
0.8
0.5
V_IN
0.3
0.0
±0.3
±0.5
±0.8
V_OUT
±1.0
±1.3
±1.5
±2.0
±1.0
0.0
1.0
2.0
3.0
Time (µs)
C00
Figure 34. DIFFERENTIAL AMPLIFIER SETTLING TIME
(RISING EDGE)
1.5
1.3
1.0
0.8
0.5
V_IN
0.3
0.0
±0.3
±0.5
±0.8
±1.0
V_OUT
±1.3
±1.5
±2.0
±1.0
0.0
1.0
2.0
3.0
Time (µs)
C04
Figure 35. DIFFERENTIAL AMPLIFIER SETTLING TIME
(FALLING EDGE)
100^-6
100^-7
Auto-Zero Frequency = 62.5 kHz
Sensor Not Running
e_n = 162nV/Â¥+]DYHUDJHRYHU+]WRN+]
100^-8
10
100
1k
10k
100k
Frequency (Hz)
C023
Figure 36. DIFFERENTIAL AMPLIFIER OUTPUT VOLTAGE
NOISE DENSITY
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