BT8031 INTEGRAL | Alldatasheet

Document overview

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Technical content

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 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 PIN CONFIGURATION BT8031-XX BT8031-XX MOVCCVSS

1 VSS

01 For Elise

02 Ding - Dong

03 Westminster

04 One Ding - Dong

05 It’s Small World

ELECTRICAL CHARACTERISTICS (VCC = 3V, VSS = 0V, Ta = 25oC; unless otherwise specified) Characteristic Symbol Test Condition Min Typ Max Unit Operating Voltage VCC 2.0 3.0 5.0 V Supply Current Stand-by* IS - 5 A Operating ICC Output open 0.6 1 mA Output Drive Current IOH VCC =3V, VO =0.8V 0.5 0.5 mA Output Sink Current IOL VCC =3V, VO =0.5V 0.5 0.5 mA Input Current MT II VIN = VCC 0.5 3.0 A Frequency Stability ∆F/F FOSC(3V) - FOSC(2V) - 15 % FOSC(3V) * Only for version “ONE SHOT MODE”

LEVEL HOLD MODE (TO-92) ONE SHOT MODE (BARE CHIP) R - VSS VCC MO R BT8031-XX R = 5 ÷ 10kΩ NOTE: The chip substrate is connected to VSS. N SUFFIX PLASTIC DIP (MS – 001BA) Symbol MIN MAX 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

  • TO-92