TLE4946K

Electrical and Magnetic Parameters

Data Sheet

7

Rev 1.0, 2007-09

5

Electrical and Magnetic Parameters

Table 5

1) over operating range, unless otherwise specified. Typical values correspond to

Parameter

Symbol

Limit Values

Unit

Conditions

min.

typ.

max.

Supply current

I

S

2

4

6

mA

V

Reverse current

I

SR

0

0.2

1

mA

V

Output saturation

voltage

V

QSAT

–

0.3

0.6

V

I

Output leakage

current

I

QLEAK

–

0.05

10

µA

for

V

Output fall time

t

f

–

0.02

1

µs

R

see: Figure 3 “Timing

Definition” on Page 9

Output rise time

t

r

–

0.4

1

µs

Chopper frequency

f

OSC

–

320

–

kHz

Switching

frequency

f

SW

0

–

15

2) To operate the sensor at the max. switching frequency, the value of the magnetic signal amplitude must be

1.4 times higher than for static fields.

This is due to the - 3 dB corner frequency of the low pass filter in the signal path.

2)

kHz

Delay time

3) Systematic delay between magnetic threshold reached and output switching

3)

t

d

–

13

–

µs

Output jitter

4) Jitter is the unpredictable deviation of the output switching delay

4)

t

QJ

–

1

–

wave signal 1 kHz

Power-on time

5) Time from applying

5)

t

PON

–

13

–

µs

V

Thermal resistance

6) Thermal resistance from junction to ambient

6)

R

thJA

–

100

–

K/W

SC59

Calculation of the ambient temperature (SC59 example)

e.g. for

V

Power Dissipation:

P

In

T

Resulting max. ambient temperature:

T

Note: Typical characteristics specify mean values expected over the production spread.