HAL880 datasheet(19/34 Pages) MICRONAS

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DATA SHEET

HAL880

Micronas

Feb. 23, 2009; DSH000152_001EN

3.6. Characteristics

at TJ = −40 °C to +140 °C, VDD = 4.5 V to 5.5 V, GND = 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 VDD = 5 V.

Symbol

Parameter

Pin No.

Min.

Typ.

Max.

Unit

Conditions

IDD

Supply Current

over Temperature Range

−

710

VDDZ

Overvoltage Protection

at Supply

−

17.5

IDD = 25 mA, TJ = 25 °C, t = 20 ms

VOZ

Overvoltage Protection

at Output

−

19.5

IO = 10 mA, TJ = 25 °C, t = 20 ms

Resolution

−

bit

ratiometric to VDD

INL

Non-Linearity of Output Voltage over

Temperature

−1.0

1.0

% of supply voltage2)

For Vout = 0.35 V ... 4.65 V;

VDD = 5 V

Ratiometric Error of Output

over Temperature

(Error in VOUT / VDD)

−1.0

1.0

⎥ V

OUT1 - VOUT2⎥ > 2V

during calibration procedure

Error in Magnetic Sensitivity over

Temperature Range

−6

(see Section 3.6.1. on page 21)

ΔV

OUTCL

Accuracy of Output Voltage at Clamping

Low Voltage over Temperature Range

−45

RL = 5 kΩ, VDD = 5 V

ΔV

OUTCH

Accuracy of Output Voltage at Clamping

High Voltage over Temperature Range

−45

RL = 5 kΩ, VDD = 5 V

VOUTH

Upper Limit of Signal Band3)

34.65

4.8

−

VDD = 5 V, −1 mA ≤ IOUT ≤ 1mA

VOUTL

Lower Limit of Signal Band3)

−

0.2

0.35

VDD = 5 V, −1 mA ≤ IOUT ≤ 1mA

fADC

Internal ADC Frequency over

Temperature Range

−−

128

−

kHz

tr(O)

Step Response Time of Output

−

3 dB Filter frequency = 500 Hz

3 dB Filter frequency = 1 kHz

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

of final output voltage for a step

like signal Bstep from 0 mT to Bmax

td(O)

Delay Time of Output

−

0.1

0.5

CL = 10 nF

tPOD

Power-Up Time (Time to Reach Stabilized

Output Voltage)

−

1.5

1.7

1.9

CL = 10 nF, 90% of VOUT

Small Signal Bandwidth (

−3dB)

−

kHz

BAC < 10 mT;

3 dB Filter frequency = 1 kHz

VOUTn

Noise Output Voltagepp

−

magnetic range = 60 mT4)

3 dB Filter frequency = 500 Hz

Sensitivity

≤ 0.7; C = 4.7 nF (V

DD &

VOUT to GND)

ROUT

Output Resistance over Recommended

Operating Range

−

110

VOUTLmax ≤ VOUT ≤ VOUTHmin

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

DD/4096

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

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) peak-to-peak value exceeded: 5%

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