KMA200 datasheet(13/31 Pages) PHILIPS

13 / 31 page

9397 750 11399

Product data sheet

Rev. 05 — 16 August 2005

13 of 31

Philips Semiconductors

KMA200

Programmable angle sensor

10. Characteristics

Table 7:

Characteristics

In homogenous magnetic ﬁeld at saturation ﬁeld strength of minimum 35 kA/m and external capacitance Cext between VDD

and GND. Tamb = −40 °C to +160 °C; VDD = 4.5 V to 5.5 V.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supply voltage and operation currents

VDD

supply voltage - normal

operation

4.5

5.0

5.5

VDD(pr)

programming supply voltage -

EEPROM

12.5

IDD

supply current

for normal operation mode

load capacitance

at pin 2 and pin 3

0.1

RL(pu)

pull-up load resistance

[1] 5-

∞

Ω

RL(pd)

pull-down load resistance

[2] [3] 5

Ω

Cext

external capacitance between

VDD and GND

conducted closely to supply pins of

KMA200

120

Power-on reset

VDDon

switch-on threshold voltage

KMA200 switches on if

VDD >VDDon

3.1

3.75

4.45

VDDoff

switch-off threshold voltage

KMA200 switches off if

VDD <VDDoff

2.9

4.4

Vhys

hysteresis voltage

Vhys = VDDon − VDDoff

0.05

0.6

System performance

Analog output VOUT1: standard output

VOUT1(nom)

nominal output voltage range on

pin OUT1

%VDD

VO(ldr)

lower diagnostic range output

voltage

on OUT1

%VDD

VO(udr)

upper diagnostic range output

voltage

on OUT1

100

%VDD

αmax

maximum angle

programmable from 0

° to angle

range

max EEPROM address 3

0.1

180

deg

V(CL)u

upper clamping voltage level

setting by EEPROM address 9

69.5

%VDD

V(CL)l

lower clamping voltage level

setting by EEPROM address 9

30.5

%VDD

αres

angle resolution

4608 counts in nominal output

voltage range (clamping level

5%VDD to 95 %VDD)

[4] -

0.04

0.05

deg

output noise

peak to peak, 25 ms measurement

time

[4] -

0.1

deg

∆V(CL)

clamping voltage variation

at 5 %VDD and 95 %VDD

[4]

−0.3

+0.3

%VDD

∆ϕ

lin

angle linearity error

normal operation mode, deviation

from reference line

[4]

−1.65

+1.65

deg

∆ϕT

angle temperature drift

valid for temperature range

−25 °C

up to +125

°C (3 sigma)

[4] [5]

−0.64

+0.64

deg

∆ϕµlin

microlinearity

deviation at an angle step of 1

[4]

−0.1

+0.1

°/1°

∆ϕhys

hysteresis

absolute value

[4] 0

0.088

deg

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