NSP2340A03G is a cost-effective, high-quality voice playback chip with built-in Flash. It contains an I2C, UART, or GPIO interface for communicating with external microcontroller chips.

NSP2340A03G has high-quality voice output and an output power of up to 3 watts. It can drive speakers directly and is suitable for various voice prompt applications. In addition, an NSP development board is provided, with easy-to-use sound combination software tools, which can quickly complete voice programming and demonstration functions, greatly shortening the development program time.

NSP2340A03G's application scope covers electronic medical equipment, home appliances, cleaning supplies, kitchen cooking, security equipment, smart door locks, elevator systems, control panels, charging piles, and more.

• Feature
  

  -	Wide voltage range: 2.0 to 5.5V
  -	Communication interface with host MCU: I2C, UART, GPIO (x1, x2)
  -	Duration (Flash type): 96” to 420”
  -	High-quality voice compression and algorithm: 1bit to 16bit (SR: 6 kHz to 32 kHz)
  -	Supports OTA (Over The Air) voice or program updates
  -	Plays 2 tracks of voice or background sound at the same time
  -	Ultra-low power consumption (sleep state: less than 1 μA)
  -	Audio output: Class AB 3.0 Watt @ 5.5V (THD + N < 10%, 4Ω)

• Specifications
  

  Part No.	Duration (sec.) (12 KHz)	Duration (sec.) (16 KHz)	Package
  NSP2080A	96	72	SOP8
  NSP2170A	177	133
  NSP2340A	420	315
  NSP2080A01G	96	72	SOP16
  NSP2170A01G	177	133
  NSP2340A01G	420	315
  NSP2080A03G	96	72	SOP16
  NSP2170A03G	177	133
  NSP2340A03G	420	315

• System Block Diagram