DRV411_15 Datasheet, PDF (9/34 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.
500
50
450
RTO
40
400
30
350
20
300
10
250
0
200
-10
150
-20
100
-30
50
-40
0
Power-Supply Rejection Ratio PSRR (µV/V)
C03
Figure 19. DIFFERENTIAL AMPLIFIER POWER-SUPPLY
REJECTION RATIO HISTOGRAM
-50
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Supply Voltage V_DD (V)
C014
Figure 20. DIFFERENTIAL AMPLIFIER OFFSET VOLTAGE vs
POWER SUPPLY
52.00
20
15
51.75
10
51.50
5
51.25
51.00
-50 -25 0
25 50 75 100 125 150
Temperature (ºC)
C04
Figure 21. DIFFERENTIAL AMPLIFIER REFERENCE INPUT
IMPEDANCE vs TEMPERATURE
0
-5
C_LOAD = 200 pF
-10
10
100
1k
10k
100k 1M
10M
Frequency (Hz)
C015
Figure 22. DIFFERENTIAL AMPLIFIER GAIN vs FREQUENCY
800
700
600
500
400
300
200
100
0
Gain Error (ppm)
C003
Figure 23. DIFFERENTIAL AMPLIFIER GAIN ERROR
HISTOGRAM
0
-0.01
-0.02
-0.03
-0.04
-0.05
-0.06
-0.07
-0.08
-50 -25 0 25 50 75 100 125 150
Temperature (ºC)
C039
Figure 24. DIFFERENTIAL AMPLIFIER GAIN ERROR vs
TEMPERATURE
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