Voice Chip

NVD sound IC chip support longest voice 340s

● Operating voltage: 2~5.5V
● Quiescent current: 2uA
● Voice length: 40s, 80s, 170s, 340s
● Sampling range: 6K~44K
● Playback mode: PWM
● Packing: SOP8
● Unit price: $0.2~$0.9 EXW
● Payment: Alibaba, PayPal, Western Union etc.
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Description
Application range
NVD series voice chips can be used in a variety of voice prompts of situations, for example: blood pressure monitor, time machine, blood glucose meters, medical equipment, Messenger, Foot Messenger, Bell notified, speech toys, voice alarm, automotive electronics, small appliances, Buddha machines, games, gifts, and so on.



 
Functional characteristics
 
  • OTP storage formats, faster production cycles, the fastest takes only a day, no minimum orders limitations;
  • Flexible variety of key operating mode TTL mode selection (press the edge triggered or level triggered, random keys that broadcasts, order, press play)
  • Simple and convenient ways for MCU serial port control, user triggers in the master section MCU controlled voice playback and stop
  • Speech time 40s, 80s, 170s, and 340s
  • Built-in Group of PWM output can be direct push 0.5W Horn
  •  Flexible playback operation, through a combination of voice of space can be saved up to play 220 sound combinations
  • Beautiful sound quality, stable performance, and low price
  • LVR-reset circuitry inside, get your chips to work
  • SOP8, easy to use and flexible application
  • Support for polyphonic MIDI playback, sound quality is very beautiful;
  • External circuit is simple, takes only a coupling capacitor
  • Operating voltage range: 2V~4.5V
  • Quiescent current: less than 2uA
Chip pin maps and pins correspond table
 
#1 Sheet:NV040D/NV080D/NV170D/NV340D

 
#1 Sheet:NV340DW
Environmental parameters

Review


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