TECHNICAL DATA
BT8040
Melody Generator with Accompaniment
FEATURES
• Two Sound Sources with Envelope (CR Envelope)
• Melody is inserted up to four.
• According to customer’s request, the inserted melody is flexible.
• 3.0V to 5.0V Operating Voltage
• DC or AC Triggered Performance Start Mode (Mask Selected)
• Can Drive an 8 Ohm Dynamic Loudspeaker if Provided Externally with a
Transistor
• Bare chip or 16-pin DIP (Plastic) Package available
DESCRIPTION
The BT8040 is a CMOS LSI chip, which plays a prearranged melodies.
ABSOLUTE MAXIMUM RATINGS ( Ta = 25oC )
Characteristic Symbol Value Unit
Power Supply Voltage VDD - 0.3 to + 7.0 V
Input Terminal Voltage V10 - 0.2 to VDD + 0.2 V
Operating Temperature Ta-40 to + 85 (VSS = 1.5V) oC
Storage Temperature Tstg - 65 to + 150 oC
Soldering Temperature and Time Tsol 260oC, 10s (at lead)
ELECTRICAL CHARACTERISTICS (VDD = 5V, Ta = 25oC; unless otherwise specified)
Characteristic Symbol Test Condition Min Typ Max Unit
Operating Voltage VDD 3.0 5.0 5.5 V
Input Voltage “1” VIH V
DD - 0.3 - VDD V
“0” VIL V
SS - VSS + 0.3
MT Power Supply Time 150 ms
Response Time 600 ms
MO OUTPUT PIN EQUIVALENT CIRCUIT
ORDERING INFORMATION
BT8040N Plastic
BT8040D SOIC
TA = -40° to 85° C for all packages
Accompaniment
Main Melody
MO Pin
I nside of BT8 032
130k
150k
Inside of BT8040
1
BT8040
BLOCK DIAGRAM
PIN DESCRIPTION
Pin. No. Pin Name Pull-Down
Resistor Functions
1 OSC1 - A resistor is connected between both terminals to from a ring
2 OSC2 - oscillator, or external reference signals are applied to OSC1.
3 TST2 Provided LSI Test Input/Output.
4 MT Provided For binary selection: Controls Start and Stop of Performance.
For direct selection: Selects Melody 1 and Controls Start and Stop of it’s
Performance.
5 SEL2 Provided
For binary selection: this Terminal in Conjunction with SEL1, selects a Melody.
For direct selection: Selects Melody 3 and Controls Start and Stop of it’s
Performance.
6 SEL1 Provided
For binary selection: this Terminal in Conjunction with SEL1, selects a Melody.
For direct selection: Selects Melody 2 and Controls Start and Stop of it’s
Performance.
7 B/E - BUSY or END Signal Output Terminal.
8 VSS - Power Supply Terminal (0V).
9 TST1 Provided LSI Test Input.
10 ENV1 - Connects Resistor and Capacitor to add Envelope to Main Melody.
11 ENV2 - Connects Resistor and Capacitor to add Envelope to Accompaniment.
12 MO - Output Terminal or Acoustic Signals that have not been Amplified.
13 P1 Connects PNP/NPN Transistors, resistors and Capacitors to form
14 OUT1 Provided a Low-Frequency Linear Amplifier Circuit.
15 OUT2
16 VDD - 3.0V to 5.0V Operating Voltage
OSCI L L A T OR
CONTROL
DRIVER
RHYTHM
ROM
MELODY
ROM
ENV EL OPE
MIXER
TEMPO ROM
MELODY ROM
ADDRESS
COUNT ER
CONTROL ROM
TONE
GENERATOR
RHYTHM
GENERATOR
ENVELOPE
MIXER
ACCOMPANMENT
GENERATOR
OSC1
SEL 1
P1
SEL 2
OUT 1
MT
OUT 2
ENV1
MO
B/ E
ENV 2
OSC2
2
BT8040
APPLICATION CIRCUIT (basic external connection)
BT8040
Amplifier
(IL34119)
Speaker out
or Buzzer
01
02
03
04
05
06
07
08 09
10
11
12
13
14
15
16
04
03
02
0108
07
06
05
Rx1
Rx4
Rx2
Rx3
470Ω100Ω 1W
100k
100k
4.7µF/25V
4.7µF/25V
10µF/25V
104
ZD 5.1V
104
100µF/25V
ZD 1W 13V
1N4004
1N4004
12V
Rx1 = Buzzer(1MΩ), Speaker(2.2k)
Rx2,Rx3 = VR (Rx2 = 20k~50k, Rx3 = 5k~10k)
Rx4 = Speed VR (500k~1.5MΩ)
104
ON / OFF
OSC1
OSC2
TST2
MT
SEL2
SEL1
B/E
Vss
Vdd
OUT2
OUT1
P1
MO
ENV2
ENV1
TST1
RECOMMENDED CONDITIONS FOR EXTERNAL DEVICES
Symbol Ratings Unit Symbol Ratings Unit
VR1 1 - 2 MΩ C1 4.7
µF
VR2 50 kΩ C2 4.7
µF
R1 100 kΩ C3 0.1
µF
R2 100 kΩ - - -
SELECTION CONDITION FOR MELODY
Condition
#5 #6 Melody
High High *Test melody
High Low *Ding – Dong
Low High *Do – Mi – Sol – Do
Low Low *Do- Sol – Mi - Do
* Revision & Injection of Melody is possible according to customer’s request.
3
BT8040
N SUF FI X PLASTIC DIP
(MS - 001BB)
Symbol MIN MAX
A18.67 19.69
B6.10 7.11
C5.33
D0.36 0.56
F1.14 1.78
G
H
J0°10°
K2.92 3.81
NOTES: L7.62 8.26
1. D imensi ons “A”, “B” do not include mold f lash or pr otrusions. M0.20 0.36
Maximum m old flash or protrusions 0.25 mm (0.010) per side. N0.38
D SUFFIX SOIC
(MS - 012AC)
Symbol MIN MAX
A9.80 10.00
B3.80 4.00
C1.35 1.75
D0.33 0.51
F0.40 1.27
G
H
J0°8°
NOTES: K0.10 0.25
1. D ime nsions A and B do not include mold f lash or protrusion. M0.19 0.25
2. Maximum mold flash or protrusion 0.15 mm (0.006) per side P5.80 6.20
for A; for B ‑ 0.25 m m (0.010) per side. R0.25 0.50
Dimension, mm
Dimension, mm
5.72
2.54
7.62
1.27
A
B
H
C
K
CMJFM
P
G
D
R x 45
SEATING
PLANE
0.25 (0.010) M T
-T-
1
16
8
9
L
H
MJ
A
B
F
GD
SEATING
PLANE
N
K
0.25 (0. 010) M T
-T-
C
1
16
8
9
4
