CS4161 datasheet(2/4 Pages) CHERRY

2 / 4 page

Electrical Characteristics: Unless otherwise stated, these specifications apply for -40¡C ² TA ² 105¡C, 6.5V ² VCC ² 15.5V.

All voltage shall be referenced to Gnd unless otherwise noted. Overvoltage shutdown of coils occurs when VCC > 16V.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Package Lead Description

PACKAGE LEAD #

LEAD SYMBOL

FUNCTION

8L PDIP

Gnd

Ground connection.

COILA+

Output stage, when active, this lead supplies current to COIL A.

COILA-

Output stage, when active, this lead supplies current to COIL A.

SENSOR

Input signal from wheel speed or engine rpm.

SELECT

Selects divide by 1 or divide by 2 mode.

COILB-

Output stage, when active, this lead supplies current to COIL B.

COILB+

Output stage, when active, this lead supplies current to COIL B.

8VCC

Supply Voltage.

s Supply, VCC

Supply Voltage Range

-40¡C ² TA ² 105¡C

6.5

15.5

VDC

-40¡C ² TA ² 25¡C

6.5

24.0

VDC

Transient Pulse, 100ms

35.0

VDC

Supply Current

VCC = 15.5 VDC, Outputs not loaded

Overvoltage Shutdown

Undervoltage Lockout Voltage

VCC Initial Power up

5.1

5.6

6.1

UVLO Hysteresis

200

600

1000

s Speed Sensor Input, SENSOR

Input Frequency Range

0.2

1.0

kHz

Switching Threshold

1.2

2.6

VDC

Hysteresis

300

500

mVDC

Input Bias Current

0.8VDC ²VIN ²VCC

0.1

±1.0

µA

Input Voltage Range

VCC

VDC

Operating Input Voltage

10k½ Resistor in Series

-15 to VCC

VDC

Input Clamp Current

I Clamp at VIN = 0VDC

-0.4

-5.0

s Divider Select Input, SELECT

Logic 0 Input Voltage

100

mVDC

Logic 1 Input Voltage

3.0

VDC

Logic 0 Input Current

0V ² VIN ² 100mV

-1

-100

µA

Logic 1 Input Current

3V ² VIN ² 15.5 VDC

0.75

2.00

s Coil Output Drivers

Coil Load

+25¡C

198

210

222

Coil Inductance

Coil Resistance Temperature

Coefficient

0.35

%/¡C

* Energized Coil Voltage

VCC = 6.5 VDC

VCC - 1.5V VCC - 0.9V

VDC

(Both Polarities) A and B

VCC = 10.0 VDC

VCC - 1.6V VCC - 1.0V

VDC

VCC = 15.5 VDC, -20¡C ² TA ² 105¡C VCC - 1.75V VCC - 1.1V

VDC

VCC = 15.5 VDC, -40¡C ² TA ² -20¡C

VCC - 2.0V VCC - 1.2V

VDC

De-energized Coil Leakage Current

±100

µA

s Short Circuit Protection

Short Circuit Threshold

275

400

I Coil A + I Coil B

Short Circuit Turn-Off Delay

µs

* Voltage across the coils shall be measured at the specific voltages, but shall also be within linearly interpolated limits.

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