FinalDatasheet

9

Rev.1.0, 2008-09-18

TLE4946-2K

Specification

3.2

Operating Range

The following operating conditions must not be exceeded in order to ensure correct operation of the TLE4946-2K.

All parameters specified in the following sections refer to these operating conditions unless otherwise mentioned.

Table 3

Operating Range

Parameter

Symbol

Values

Unit

Note/ Test Condition

Min.

Typ.

Max.

Supply voltage

2.7

–

18

V

Output voltage

– 0.7

–

18

V

Junction temperature

– 40

–

150

°C

Output current

0

–

20

mA

3.3

Characteristics

Product characteristics involve the spread of values guaranteed within the specified voltage and ambient

Table 4

Electrical Characteristics

Parameter

Symbol

Values

Unit

Note/ Test Condition

Min.

Typ.

Max.

Supply current

2

4

6

mA

Reverse current

0

0.2

1

mA

Output saturation voltage

–

0.3

0.6

V

Output leakage current

–

0.05

10

µA

Output fall time

–

0.02

1

µs

Output rise time

–

0.4

1

µs

Chopper frequency

–

320

–

kHz

Switching frequency

0

–

15

1) 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.

1)

kHz

Delay time

2) Systematic delay between magnetic threshold reached and output switching

2)

–

13

–

µs

Output jitter

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

3)

–

1

–

square wave signal

1 kHz

Power-on time

4)

–

13

–

µs

Thermal resistance

5) Thermal resistance from junction to ambient

5)

–

100

K/W