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PDF BT8028 Data sheet ( Hoja de datos )
| Número de pieza | BT8028 | |
| Descripción | SIMPLE MELODY GENERATOR | |
| Fabricantes | IK Semiconductor | |
| Logotipo |  |
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TECHNICAL DATA
SIMPLE MELODY GENERATOR
BT8028-XX
FEATURES
FUNCTIONS
• 127-note ROM memory
• Solution of automatic stop or repeat of the
• 1.3V to 3.3V power supply and melody
low power consumption
• Dynamic speaker can be driven with external
• RC oscillator on chip
NPN transistor
BT8028C-
X X L(S)
• One shot or level hold mode • Two or three times repeat of melody (mask
• Sound range: 4 octaves, 2
series
• Tempo: 16 kinds (presto-
mlargo)
.co• Direct piezo drive
option)
• Each note can be individually programmed to
be staccato or legato (mask option)
• Changing the contents of melody is possible
by reprogramming the maskable ROM
• Power on reset; melody begins from the first
note
• Start from the head of melody
• Bare chip or TO-92 are available
VSS VCC OUT
t4UDESCRIPTION
The BT8028 is a CMOS LSI chip which electronically plays a prearranged melody. Selection of melody start signal is
epossible by mask option: orders specification suffix "L" indicate Level Hold Mode, and suffix "S" indicate One Shot
eMode. The Universal version (as One Shot or Level Hold Mode) is possible also (suffix "U").
taShABSOLUTE MAXIMUM RATINGS (Ta = 25oC)
Characteristic
Symbol
aDC Supply Voltage
Input Voltage
.DOperating Temperature
Storage Temperature
VCC – VSS
VIN
Topr
Tstg
Value
-0.3 ~ 3.5
VSS – 0.3 ~ VCC – 0.3
-20 ~ +65
-55 ~ +125
wwwELECTRICAL CHARACTERISTICS (Ta = 25oC, VCC = 1.5V ; unless otherwise specified)
Unit
V
V
oC
oC
Characteristic
Symbol
Test Condition
Min Typ Max Unit
Operating Voltage
Supply Current
Stand-by
Operating
Output Drive Current
Output Sink Current
Frequency Stability
VCC
IS
ICC
IOH
IOL
ΔF/F
Output open
VCC =1.3V, VO =0.8V
VCC =1.3V, VO =0.5V
FOSC(1.6V) - FOSC(1.3V)
FOSC(1.3V)
1.3 1.5 3.3 V
0.1 1
μA
60
0.6 1.5
mA
0.6 1.5
mA
12 %
1
1 page  
• TO-92
BT8028-xx
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet BT8028.PDF ] | |
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