DRV401 Datasheet, PDF (10/28 Pages) Burr-Brown (TI) – Sensor Signal Conditioning IC for Closed-Loop Magnetic Current Sensor

DRV401
SBVS070A − JUNE 2006 − REVISED OCTOBER 2006
TYPICAL CHARACTERISTICS (Continued)
At T_A = +25°C and V_DD1 = V_DD2 = +5V with external 100kHz filter BW, unless otherwise noted.
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PROBE DRIVER:
INTERNAL RESISTOR vs TEMPERATURE
90
85
80
Driver L
75
70
65
60
Driver H
55
50
45
−50 −25 0
25 50 75 100 125 150
Temperature (_ C)
2.5010
VOLTAGE REFERENCE vs LOAD CURRENT
2.5008
2.5006
2.5004
2.5002
2.5000
2.4998
2.4996
2.4994
2.4992
2.4990
−6
−4
−2
0
2
4
6
I_LOAD (mA)
VOLTAGE REFERENCE DRIFT
PRODUCTION DISTRIBUTION
Voltage Reference Drift (ppm/_ C)
OUTPUT IMPEDANCE MISMATCH OF IS1 AND IS2
vs TEMPERATURE
0.10
0.08
0.06
0.04
0.02
0
−50 −25 0
25 50 75 100 125 150
Temperature (_ C)
VOLTAGE REFERENCE PRODUCTION DISTRIBUTION
V_REF (V)
2.525
VOLTAGE REFERENCE vs TEMPERATURE
2.520
2.515
2.510
2.505
2.500
2.495
2.490
2.485
2.480
2.475
−50 −25 0
25 50 75 100 125 150
Temperature (_ C)
10