TECHNICAL DATA
Melody Generator with Accompaniment
FEATURES
•
Two Sound Sources with Envelope (CR Envelope)
•
Melody is inserted up to four.
•
A
ccording 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
BT8040
DESCRIPTION
The BT8040 is a CMOS LSI chip, which plays a prearranged melodies.
ORDERING INFORMATION
BT8040N Plastic
BT8040D SOIC
T
A
= -40° to 85° C for all packages
ABSOLUTE MAXIMUM RATINGS ( T
a
= 25
o
C )
Characteristic
Power Supply Voltage
Input Terminal Voltage
Operating Temperature
Storage Temperature
Soldering Temperature and Time
Symbol
V
DD
V
10
T
a
T
stg
T
sol
Value
- 0.3 to + 7.0
- 0.2 to V
DD
+ 0.2
-40 to + 85 (V
SS
= 1.5V)
- 65 to + 150
260
o
C, 10s (at lead)
Unit
V
V
o
o
C
C
ELECTRICAL CHARACTERISTICS
(V
DD
= 5V, T
a
= 25
o
C; unless otherwise specified)
Characteristic
Operating Voltage
Input Voltage
“1”
“0”
MT Power Supply Time
Response Time
MO OUTPUT PIN EQUIVALENT CIRCUIT
Symbol
V
DD
V
IH
V
IL
Test Condition
Min
3.0
V
DD
- 0.3
V
SS
150
600
Typ
5.0
-
-
Max
5.5
V
DD
V
SS
+ 0.3
ms
ms
Unit
V
V
130k
Main Melody
150k
MO Pin
Accompaniment
Inside of BT8040
Inside of BT8032
1
BT8040
BLOCK DIAGRAM
OSC1
OSC2
OSCILLATOR
RHYTHM
ROM
ACCOMPANMENT
GENERATOR
ENVELOPE
MIXER
ENV1
ENV2
TEMPO ROM
MELODY
ROM
ENVELOPE
MIXER
MO
RHYTHM
GENERATOR
MELODY ROM
SEL1
SEL2
MT
CONTROL
ADDRESS
COUNTER
B/ E
P1
CONTROL ROM
TONE
GENERATOR
DRIVER
OUT1
OUT2
PIN DESCRIPTION
Pin. No.
1
2
3
4
Pin Name
OSC1
OSC2
TST2
MT
Pull-Down
Resistor
-
-
Provided
Provided
Functions
A resistor is connected between both terminals to from a ring
oscillator, or external reference signals are applied to OSC1.
LSI Test Input/Output.
For binary selection: Controls Start and Stop of Performance.
For direct selection: Selects Melody 1 and Controls Start and Stop of it’s
Performance.
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.
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.
BUSY or END Signal Output Terminal.
Power Supply Terminal (0V).
LSI Test Input.
Connects Resistor and Capacitor to add Envelope to Main Melody.
Connects Resistor and Capacitor to add Envelope to Accompaniment.
Output Terminal or Acoustic Signals that have not been Amplified.
Connects PNP/NPN Transistors, resistors and Capacitors to form
Provided
a Low-Frequency Linear Amplifier Circuit.
5
SEL2
Provided
6
7
8
9
10
11
12
13
14
15
16
SEL1
B/E
V
SS
TST1
ENV1
ENV2
MO
P1
OUT1
OUT2
V
DD
Provided
-
-
Provided
-
-
-
-
3.0V to 5.0V Operating Voltage
2
BT8040
APPLICATION CIRCUIT (basic external connection)
1N4004
100Ω 1W
100µF/25V
470Ω
10µF/25V
1N4004
ZD 1W 13V
ZD 5.1V
104
104
4.7µF/25V
12V
01
OSC1
02
OSC2
Rx1
Rx2
05
06
07
08
Speaker out
or Buzzer
Amplifier
(IL34119)
04
104
03
Rx3
02
07
01
08
Vss
B/E
Vdd
16
15
14
13
12
11
10
09
OUT2
03
TST2
04
MT
OUT1
BT8040
ON / OFF
P1
05
SEL2
06
SEL1
MO
ENV2
ENV1
TST1
Rx1 = Buzzer(1MΩ), Speaker(2.2k)
Rx2,Rx3 = VR (Rx2 = 20k~50k, Rx3 = 5k~10k)
Rx4 = Speed VR (500k~1.5MΩ)
RECOMMENDED CONDITIONS FOR EXTERNAL DEVICES
Symbol
VR1
VR2
R1
R2
Ratings
1-2
50
100
100
Unit
MΩ
kΩ
kΩ
kΩ
Symbol
C1
C2
C3
-
Ratings
4.7
4.7
0.1
-
Unit
µF
µF
µF
-
SELECTION CONDITION FOR MELODY
Condition
#5
High
High
Low
Low
#6
High
Low
High
Low
Melody
*Test melody
*Ding – Dong
*Do – Mi – Sol – Do
*Do- Sol – Mi - Do
* Revision & Injection of Melody is possible according to customer’s request.
100k
Rx4
3
100k
4.7µF/25V
BT8040
N SUFFIX PLASTIC DIP
(MS - 001BB)
A
Dimension, mm
16
9
B
Symbol
A
MIN
18.67
6.10
MAX
19.69
7.11
5.33
1
8
B
C
F
L
D
F
0.36
1.14
2.54
7.62
0°
2.92
7.62
0.20
0.38
0.56
1.78
C
-T-
SEATING
PLANE
G
H
H
J
N
G
D
0.25 (0.010) M T
K
M
J
K
L
M
N
10°
3.81
8.26
0.36
NOTES:
1. Dimensions “A”, “B” do not include mold flash or protrusions.
Maximum mold flash or protrusions 0.25 mm (0.010) per side.
D SUFFIX SOIC
(MS - 012AC)
Dimension, mm
A
16
9
Symbol
A
MIN
9.80
3.80
1.35
0.33
0.40
1.27
5.72
0°
0.10
0.19
5.80
0.25
MAX
10.00
4.00
1.75
0.51
1.27
H
B
P
B
C
1
G
8
C
R x 45
D
F
G
-T-
D
0.25 (0.010) M T C M
K
SEATING
PLANE
J
F
M
H
J
K
M
P
R
8°
0.25
0.25
6.20
0.50
NOTES:
1. Dimensions A and B do not include mold flash or protrusion.
2. Maximum mold flash or protrusion 0.15 mm (0.006) per side
for A; for B
‑
0.25 mm (0.010) per side.
4
聊聊、笑笑、闹闹
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
