HAR2425 datasheet(24/33 Pages) MICRONAS

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HAR 24xy

DATA SHEET

July 14, 2015; DSH000170_001EN

Micronas

4.9. Characteristics

at TJ = 40 °C to +170 °C, VSUP1=VSUP2 = 4.5 V to 5.5 V, GND1=GND2=GNDePad = 0 V after programming and

locking, at Recommended Operating Conditions if not otherwise specified in the column “Conditions”.

Typical Characteristics for TJ = 25 °C and VSUP = 5 V.

Symbol

Parameter

Min.

Typ.

Max.

Unit

Conditions

ISUP

Supply Current

over Temperature Range

VSUPx



710

Resolution5)

OUTx



bit

HAR 2425: ratiometric to VSUP

HAR 2455: depends on PWM

Period

tr(O)

HAR 2425: Step Response Time

of Output6)

OUTx



0.5

0.6

CL = 10 nF, time from 10% to 90%

of final output voltage for a step

like signal Bstep from 0 mT to Bmax

HAR 2455: Response Time of

Output2)6)

OUTx



1.5

2.5

4.5

8.5

1.8

5.4

10.2

fPWM = 2 kHz

fPWM = 1 kHz

fPWM = 500 Hz

fPWM = 250 Hz

DNL

Differential Non-Linearity of D/A

Converter4)

OUTx

0.9

0.9

LSB

Test limit at 25 °C ambient

temperature

INL

Non-Linearity of Output Voltage

over Temperature6)

OUTx

0.3



0.3

%VSUP

2)For V

out = 0.35 V ... 4.65 V;

VSUP = 5 V ; Linear Setpoint

Characteristics

Ratiometric Error of Output

over Temperature

(Error in VOUT / VSUP)

OUTx

0.25

0.25

Max of [VOUT5  VOUT4.5 and

VOUT5.5  VOUT5] at VOUT = 10%

and 90% VSUP

Voffset

Offset Drift over Temperature

Range6)

VOUT(B = 0 mT)25°C

 V

OUT(B = 0 mT)max

OUTx

0.1

0.2

%VSUP VSUP = 5 V ; BARREL SHIFTER =

3 (±50 mT)

V

OUTCL

Accuracy of Output Voltage at

Clamping Low Voltage over

Temperature Range5)

OUTx

11



RL = 5 k, VSUP = 5 V

Spec values are derived from

resolution of the registers

DAC_CMPHI/LO and Voffset.

V

OUTCH

Accuracy of Output Voltage at

Clamping High Voltage over

Temperature Range5)

OUTx

11



VOUTH

Upper Limit of Signal Band3)

OUTx



%VSUP

VSUP = 5 V, 1 mA IOUT 1mA

VOUTL

Lower Limit of Signal Band3)

OUTx



7%VSUP

VSUP = 5 V, 1 mA IOUT 1mA

1) Output DAC full scale = 5 V ratiometric, Output DAC offset = 0 V, Output DAC LSB = V

SUP/4096

2) If more than 50% of the selected magnetic field range is used and the temperature compensation is suitable.

INL = VOUT - VOUTLSF with VOUTLSF = Least Square Fit through measured output voltage

3) Signal Band Area with full accuracy is located between V

OUTL and VOUTH. The sensor accuracy is reduced below VOUTL

and above VOUTH

4) External package stress or overmolding might change this parameter

5) Guaranteed by Design

6) Characterized on small sample size, not tested

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