IZ8018 데이터 시트보기 (PDF) - Integral Corp.

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IZ8018

MULTI MELODY GENERATOR

Integral Corp. 

MULTI MELODY GENERATOR

IZ8018

ELECTRICAL CHARACTERISTICS

(Ta = 25oC, VDD = 1.55V, VSS = 0V, unless otherwise specified)

Characteristic

Operating Voltage

Supply Current (Stand-by)

Input High Voltage

Input Low Voltage

Input Current

Output Current

Output Resistor of MO

Switch Chattering Time

Symbol

VDD

IDD

VIH

VIL

IIH

IIL

IOH

IOL

RD1

RD2

RD3

RD4

RD5

RD6

RD7

RD8

ICH

Test Condition

Without Load

VIN =1.55V

VIN = 0V

VOH = 1.0V

MO

MO

VOL = 0.5V

MO

MO

VOH = 0.7V t1

VOH = 0.7V t2

VOH = 0.7V t3

VOH = 0.7V t4

VOH = 0.7V t5

VOH = 0.7V t6

VOH = 0.7V t7

VOH = 0.7V t8

F = 32768 Hz

Min

Typ

Max

Unit

1.25

1.55

3.3

V

0.1

0.5

µA

1.25

V

0.3

V

0.2

1

10

µA

0.2

0.05

µA

100

200

µA

100

200

µA

17

30

50

75

KΩ

110

170

260

450

62.5

mS

MELODY OPERATION

The BT8018 can repeat one of any 7 melodies consequently.

• ON-HOUR AND CONFIRMATION CHIME

The IZ8018 has a 0.75 sec timer circuit to prevent the melody starting by chime sounds of the watch chip and by confirmation

chime of chronograph or by signal below 0.75 sec.

• MELODY START

The signals to start the melody are AC or DC signals which are over 0.75 sec after the first signal is given to BDIN.

The signal under 0.75 sec will put the IZ8018 in standby mode.

• MELODY STOP

The melody does not stop until it plays to the end of the melody even if alarm signal is stopped. Though the alarm signal is longer that the melody

signal the melody does not repeat. If the melody is needs to be stopped midway it can be done by pushing either S1 or S2.

MELODY SOUND

2

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