HAL815 datasheet(13/24 Pages) MICRONAS

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ADVANCE INFORMATION

HAL 815

Micronas

3.6. Electrical Characteristics

at TJ = −40 °C to +170 °C, VDD = 4.5 V to 5.5 V, after programming, as not otherwise specified in 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

VDDZ

Overvoltage Protection

at Supply

17.5

IDD = 25 mA, TJ = 25 °C, t = 20 ms

VOZ

Overvoltage Protection

at Output

317

19.5

IO = 10 mA, TJ = 25 °C, t = 20 ms

Resolution

bit

ratiometric to VDD

Accuracy Error over all

−2

02%

RL = 4.7 kΩ (% of supply voltage)

INL

Non-Linearity of Output Voltage

over Temperature

−1

% of supply voltage3)

Ratiometric Error of Output

over Temperature

(Error in VOUT / VDD)

−1

01%

 V

OUT1 - VOUT2 > 2 V

during calibration procedure

∆V

OUTCL

Accuracy of Output Voltage at

Clamping Low Voltage over

Temperature Range

−45

RL = 4.7 kΩ, VDD = 5 V

∆V

OUTCH

Accuracy of Output Voltage at

Clamping High Voltage over

Temperature Range

−45

RL = 4.7 kΩ, VDD = 5 V

VOUTH

Output High Voltage

4.65

4.8

VDD = 5 V, −1 mA ≤ IOUT ≤ 1mA

VOUTL

Output Low Voltage

0.2

0.35

VDD = 5 V, −1 mA ≤ IOUT ≤ 1mA

fADC

Internal ADC Frequency

−

120

128

140

kHz

TJ = 25 °C

fADC

Internal ADC Frequency over

Temperature Range

−

110

128

150

kHz

VDD = 4.5 V to 8.5 V

tr(O)

Response Time of Output

−

3 dB Filter frequency = 80 Hz

3 dB Filter frequency = 160 Hz

3 dB Filter frequency = 500 Hz

3 dB Filter frequency = 2 kHz

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

final output voltage for a steplike

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)

3 dB Filter frequency = 80 Hz

3 dB Filter frequency = 160 Hz

3 dB Filter frequency = 500 Hz

3 dB Filter frequency = 2 kHz

CL = 10 nF, 90% of VOUT

Small Signal Bandwidth (

−3dB)

−

kHz

BAC < 10 mT;

3 dB Filter frequency = 2 kHz

VOUTn

Noise Output Voltagepp

−

36mV

2) magnetic range = 90 mT

ROUT

Output Resistance over Recom-

mended Operating Range

−

110

Ω

VOUTLmax ≤ VOUT ≤ VOUTHmin

RthJA

TO-92UT

Thermal Resistance Junction to

Soldering Point

−−

150

200

K/W

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

DD/4096

2) peak-to-peak value exceeded: 5%

3) if more than 50% of the selected magnetic field range are used

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