HA16603 Hitachi Semiconductor, HA16603 Datasheet

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HA16603

Manufacturer Part Number
HA16603
Description
Contactless Switch
Manufacturer
Hitachi Semiconductor
Datasheet

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Part Number
Manufacturer
Quantity
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Part Number:
HA16603P
Manufacturer:
HITACHI
Quantity:
6 219
Description
The HA16603P is an IC for use with metal proximity switches. It can be used for the coin sensor circuit in
vending machines and similar microprocessor sensors.
Features
Pin Arrangement
510
Two proximity switch channels
The input and output pins are arranged in pairs for convenient printed circuit board mounting.
Wide operating power-supply voltage range: 4.75 to 30 V
Low power with a dissipation current of only 2.5 mA
Normal and inverted outputs can be acquired at the same time.
The outputs is available for current-source drive only since the internal circuits are NPN transistors with
open emitter outputs.
HA16603P/FP
Contactless Switch

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HA16603 Summary of contents

Page 1

... Description The HA16603P for use with metal proximity switches. It can be used for the coin sensor circuit in vending machines and similar microprocessor sensors. Features Two proximity switch channels The input and output pins are arranged in pairs for convenient printed circuit board mounting. ...

Page 2

... Block Diagram HA16603P/FP 511 ...

Page 3

... HA16603P/FP Absolute Maximum Ratings (Ta = 25°C) Item Operating power-supply voltage range Output voltage Hysteresis pin voltage Sensor pin voltage Sensitivity pin voltage Capacitor pin voltage Output source current Hysteresis pin sink current Sensitivity pin source current Sensor pin source current Capacitor pin sink current ...

Page 4

... HA16603P/FP Test Condition Sensor 1 and sensor 2: ground sensitivity 1 and sensitivity ground out (V – 25° O(source –25° 25° ...

Page 5

... HA16603P/FP 514 ...

Page 6

... If the sensitivity is set too high for a sensor coil with bad temperature characteristics, the operating temperature range may become narrow. The operating temperature range for the whole system, including the sensor coil, can be expanded by holding down the sensitivity. Sample Recommended Operating Circuit HA16603P/FP 515 ...

Page 7

... The oscillator frequency is determined by the following formula. The tank circuit formed by L and C0 has characteristic impedance shown in the figure. The condition for oscillation for the HA16603P is Rd 1/g, and the condition for oscillation to stop is Rd > 1/g. When Rd is connected to the hysteresis pin, ( and (Rd + Rh) > 1/g is the condition for oscillation to stop. Note that r hysteresis pin ...

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