DRV425 Datasheet, PDF (6/37 Pages) Texas Instruments – DRV425 Fluxgate Magnetic-Field Sensor

DRV425
SBOS729 – OCTOBER 2015
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Electrical Characteristics (continued)
All minimum and maximum specifications are at T_A = 25°C, VDD = 3.0 V to 5.5 V, and I_DRV1 = I_DRV2 = 0 mA, unless otherwise
noted. Typical values are at VDD = 5.0 V.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VOLTAGE REFERENCE
V_REFOUT
Reference output voltage at the
REFOUT pin
RSEL[1:0] = 00, no load
RSEL[1:0] = 01, no load
RSEL[1:0] = 1x, no load
2.45
2.5
2.55
V
1.6
1.65
1.7
45
50
55
% of
VDD
Reference output voltage drift
RSEL[1:0] = 0x
–50
±10
50 ppm/°C
Voltage divider gain error drift
RSEL[1:0] = 1x
–50
±10
50 ppm/°C
PSRR_REF Power-supply rejection ratio
ΔV_O(ΔIO)
Load regulation
I_OS
Short-circuit current
RSEL[1:0] = 0x
RSEL[1:0] = 0x, load to GND or VDD,
ΔI_LOAD = 0 mA to 5 mA, T_A = –40°C to +125°C
RSEL[1:0] = 1x, load to GND or VDD,
ΔI_LOAD = 0 mA to 5 mA, T_A = –40°C to +125°C
REFOUT connected to VDD
REFOUT connected to GND
–300
±15
300 µV/V
0.15
0.35
mV/mA
0.3
0.8
20
mA
–18
mA
DIGITAL INPUTS/OUTPUTS (CMOS)
I_IL
Input leakage current
V_IH
High-level input voltage
V_IL
Low-level input voltage
V_OH
High-level output voltage
V_OL
Low-level output voltage
POWER SUPPLY
T_A = –40°C to +125°C
T_A = –40°C to +125°C
Open-drain output
4-mA sink current
0.01
µA
0.7 × VDD
VDD + 0.3
V
–0.3
0.3 × VDD
V
Set by external pullup resistor
V
0.3
V
I_Q
V_POR
Quiescent current
Power-on reset threshold
I_DRV1/2 = 0 mA, 3.0 V ≤ VDD ≤ 3.6 V,
T_A = –40°C to +125°C
I_DRV1/2 = 0 mA, 4.5 V ≤ VDD ≤ 5.5 V,
T_A = –40°C to +125°C
6
8
mA
7
10
2.4
V
6
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