BT8028 INTEGRAL | Alldatasheet

Document overview

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Technical content

SIMPLE MELODY GENERATOR BT8028-XX

FEATURES

  • 127-note ROM memory
  • 1.3V to 3.3V power supply and low power consumption
  • RC oscillator on chip
  • One shot or level hold mode
  • Sound range: 4 octaves, 2 series
  • Tempo: 16 kinds (presto- largo)
  • Direct piezo drive FUNCTIONS
  • Solution of automatic stop or repeat of the melody
  • Dynamic speaker can be driven with external NPN transistor
  • Two or three times repeat of melody (mask 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 BT8028C- XXL(S ) OUTVCCVSS

DESCRIPTION

The BT8028 is a CMOS LSI chip which electronically plays a prearranged mel ody. Selection of melody start signal is possible by mask option: orders specification suffix "L" indicate Level Hold Mode, and suffix "S" indicate One Shot Mode. The Universal version (as One Shot or Level Hold Mode) is possible also (suffix "U"). ABSOLUTE MAXIMUM RATINGS (Ta = 25 oC) Characteristic Symbol Value Unit DC Supply Voltage VCC – VSS -0.3 ~ 3.5 V Input Voltage VIN VSS – 0.3 ~ VCC – 0.3 V Operating Temperature Topr -20 ~ +65 oC Storage Temperature Tstg -55 ~ +125 oC ELECTRICAL CHARACTERISTICS (Ta = 25oC, V CC = 1.5V ; unless otherwise specified) Characteristic Symbol Test Condition Min Typ Max Unit Operating Voltage VCC 1.3 1.5 3.3 V Supply Current Stand-by IS 0.1 1 Operating ICC Output open 60 μA Output Drive Current IOH VCC =1.3V, VO =0.8V 0.6 1.5 mA Output Sink Current IOL VCC =1.3V, VO =0.5V 0.6 1.5 mA Frequency Stability ΔF/F FOSC(1.6V) - FOSC(1.3V) 12 % FOSC(1.3V)

1.5V or 3.0V 1 2 MT TEST OSC VSS VCC BD BDN 1.5V or 3.0V ONE SHOT 1 2 MT TEST OSC VSS VCC BD BDN 1.5V or 3.0V 1 2 MT TEST OSC VSS VCC BD BDN 1.5V or 3.0V T O - 9 2 O N E S H O T O R L E V E L H O L D M O D E C H I P F O R M

F O R S P E A K E R F O R P I E Z O 1.5 V VSS VDD R = 50 Ω 1.5 V VSS VDD PIEZO AVAILABLE SONG LIST NEW EXT № SONG LIST SEC

1 BT8028C-001 For Elise 13

2 BT8028C-002 Staff WRK 20

3 BT8028C-003 Happy Birthday 13

4 BT8028C-004 Jingle Bell 12

5 BT8028C-005 It's Small World 21

6 BT8028C-006 3 Children Song 13

7 BT8028C-007 Cuocoo Waltz 10

8 BT8028C-008 London Bridge is Falling Down 16

9 BT8028C-009 Trains Running Fast 11

10 BT8028C-010 Love Me Tender Love Me True 38

11 BT8028C-011 Love Story 23

12 BT8028C-012 Old McDonald Had a Farm 25

13 BT8028C-013 Jingle Bell (Santa Claus Is Coming to Town) 28

14 BT8028C-014 You are My Sunshine 12

15 BT8028C-015 Santa Claus is Coming To Town 20

16 BT8028C-016 Silent Night 26

17 BT8028C-017 Twinkle Twinkle Little Star 14

18 BT8028C-018 Korean melody 29

19 BT8028C-019 Phone ringer 3

20 BT8028C-020 Three Little Pigs 18

21 BT8028C-021 MNA 38

22 BT8028C-022 NOV24 (Cuckoo Waltz) 20

23 BT8028C-023 Home Sweet Home 39

NEW EXT № SONG LIST SEC

24 BT8028C-024 Cuckoo Waltz 2 18

26 BT8028C-026 AZ1 44

27 BT8028C-027 Seven forty 28

28 BT8028C-028 AZ3 24

29 BT8028C-029 AZ4 26

30 BT8028C-030 IR1 34

31 BT8028C-031 Ginm Petersburg 53

32 BT8028C-032 Hymn of Russia 55

33 BT8028C-033 My Moscow 27

34 BT8028C-034 Home Sweet Home (Ver2, Shot) 32

35 BT8028C-035 Sound generator + Led driver 2 Hz

36 BT8028C-036 Varvara 19

43 BT8028C-043 Alexandra 45

44 BT8028C-044 IR2 27

45 BT8028C-045 For Elise 2 15

46 BT8028C-046 God Bless America 48

49 BT8028C-049 Gimn USA 64

50 BT8028C-050 Reg Time 20

51 BT8028C-051 It's Small World 2 21

52 BT8028C-052 AZ4-2 21

53 BT8028C-053 Car Alarm 10

57 BT8028C-057 Sound generator + Led driver 4 Hz

59 BT8028C-059 Day dream (Shuman) 67

60 BT8028C-060 Victory day 44

62 BT8028C-062 Oh! fighting Korea 34

63 BT8028C-063 Champion 24

64 BT8028C-064 March 32

67 BT8028C-067 Air Tale 20

70 BT8028C-070 Hymn of Ukraine 55

71 BT8028C-071 Metal 67

72 BT8028C-072 Pong

  • TO-92

(M S – 001BA) Sym b ol M I N M AX A 8.51 10.16 B 6.1 7.11 C 5.33 D 0.36 0.56 F 1.14 1.78 G H J 0° 10° K 2.92 3.81 NOTES: L 7.62 8.26 1. Dimensions “A”, “B” do not include mold flash or protrusions. M 0.2 0.36 Maximum mold flash or protrusions 0.25 mm (0.010) per side. N 0.38 Dimension, mm 2.54 7.62 L H M J A B F G D SEATING PLANE N K 0.25 (0.010) M T -T- C