KMI15SLASH1 datasheet(3/16 Pages) PHILIPS

3 / 16 page

1996 Dec 05

Philips Semiconductors

Preliminary speciﬁcation

Integrated rotational speed sensor

KMI15/1

LIMITING VALUES

In accordance with Absolute Maximum Rating System (IEC 134).

Note

1. With RL = 115 Ω the device is continuously protected against wrong polarity of DC supply voltage (VCC) to GND

(see Fig.7).

CHARACTERISTICS

Tamb =25 °C; VCC = 12 V; d = 2.1 mm; ft = 2 kHz; test circuit: see Fig.7; RL =115 Ω; sensor positioning: see Fig.15;

gear wheel: module 2 mm; material 1.0715; unless otherwise speciﬁed.

Note

1. High rotational speeds of wheels reduce the sensing distance due to eddy current effects (see Fig.17).

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

VCC

DC supply voltage

Tamb = −40 to +85 °C; RL =115 Ω−

Tstg

storage temperature

−40

+150

°C

Tamb

ambient operating temperature

−40

+85

°C

Tsld

soldering temperature

≤ 10 s

−

260

°C

output short-circuit duration to GND

continuous; note 1

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

ICC (low)

current output signal low

see Figs 6 and 8

5.6

7.0

8.4

ICC (high)

current output signal high

see Figs 6 and 8

11.2

14.0

16.8

output signal rise time

CL = 100 pF; see Fig.9; 10 to 90% value −

0.5

−µs

output signal fall time

CL = 100 pF; see Fig.9; 10 to 90% value −

0.7

−µs

switching delay time

between stimulation pulse (generated

by a coil) and output signal

−

−µs

operating tooth frequency for both rotation directions

−

25000

sensing distance

see Fig.15 and note 1

0 to 2.5 0 to 2.9

−

duty cycle

see Fig.6

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