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BT8031 Datasheet, PDF (1/3 Pages) Integral Corp. – CMOS LSI chip | |||
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TECHNICAL DATA
FEATURES
⢠127-note ROM memory
⢠2.0V to 5.0V power supply and low power
consumption
⢠RC oscillator on chip
⢠One shot or level hold mode (mask option)
⢠Sound range: 2.5 octaves, 2 series
⢠Tempo: 16 kinds (presto-largo)
⢠Double sound sources
⢠Digital Envelope Effect
BT8031-XX
FUNCTIONS
⢠Dynamic speaker can be driven with external
NPN transistor
⢠Power on reset; melody begins from the first note
⢠Start from the head of melody
⢠Bare chip or TO-92 are available
DESCRIPTION
The BT8031-XX is a CMOS LSI chip, which plays a prearranged melodies. The ROM has a 127 words and can store up to two
melodies with double sound sources, and it uses the built-in digital envelope circuit.
SONG LIST
01 For Elise
02 Ding - Dong
03 Westminster
04
One Ding - Dong
05
Itâs Small World
5 MO
6 VCC
PIN CONFIGURATION
BT8031- X X
1 VSS
OSC TEST
23
MT 4
VSS VCC MO
CHIP
TO-92
ELECTRICAL CHARACTERISTICS (VCC = 3V, VSS = 0V, Ta = 25oC; unless otherwise specified)
Characteristic
Operating Voltage
Supply Current
Output Drive Current
Output Sink Current
Input Current MT
Frequency Stability
Stand-by*
Operating
Symbol
VCC
IS
ICC
IOH
IOL
II
âF/F
* Only for version âONE SHOT MODEâ
Test Condition
Output open
VCC =3V, VO =0.8V
VCC =3V, VO =0.5V
VIN = VCC
FOSC(3V) - FOSC(2V)
FOSC(3V)
Min
Typ
Max
Unit
2.0
3.0
5.0
V
-
5
ãA
0.6
1
mA
0.5
0.5
mA
0.5
0.5
mA
0.5
3.0
ãA
-
15
%
1
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