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componentes Descripción

Fabricante

TLV4906K

Value Optimized Hall Effect Switch for Industrial and Consumer Applications

Infineon Technologies 

TLV4906K

Specification

3.3

Operating Range

The following operating conditions must not be exceeded in order to ensure correct operation of the TLV4906K.

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

Table 3 Operating Range

Parameter

Symbol

Supply Voltage

VS

Output Voltage

VQ

Output Current

IQ

Maximum Ambient Temperature TA

Min.

2.7

-0.7

0

-40

Values

Typ. Max.

–

18

–

18

–

20

–

85

Unit Note / Test Condition

V

V

mA

°C

3.4

Electrical Characteristics

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

temperature range. typical characteristics are the median of the production (at Vs=12V and TA=25°C).

Table 4 Electrical Characteristics

Parameter

Symbol

Values

Unit Note / Test Condition

Min. Typ. Max.

Supply Current

IS

2

4

6

mA

VS=2.7 V...18 V

Reverse Current

ISR

0

0.2 1

mA

VS=-18 V

Output Saturation Voltage

VQSAT

–

0.3 0.6

V

IQ=20 mA

Output leakage current

Output fall time1)

Output rise time1)

IQLEAK

–

0.05 10

tf

–

0.02 1

tr

–

0.4 1

µA

VQ=18 V

µs

RL=1.2k Ω, CL=50 pF

µs

Chopper frequency

Switching frequency

Delay time3)

Output jitter4)

fOSC

–

320 –

kHz

fSW

0

–

152)

kHz

td

–

13 –

µs

tQJ

–

1

–

µsRMS Typical value for a 1 kHz

square wave signal

Power-on Time5)

tPON

–

13 –

µs

VS > 2.7 V

Thermal Resistance junction to Rthja

ambient6)

–

100 –

K/W TLV4906K

1) See Figure 6

2) To operate the sensor at maximum switching frequency, the value of the magnetic signal amplitude must be 1.4 times

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

3) Systematic delay between magnetic threshold reached and output.

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

5) Time from applying VS. > 2.7 V to the sensor until the output state is valid.

6) Relationship between junction and ambient temperature: TJ=Tamb + Rthja . (VS . IS + VQS . IQ).

Datasheet

12

Rev. 1.1, 2010-08-02

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