HT8656

Features: ` Operating voltage: 4.5V~5.5V` ADM algorithm` DRAM selection: 64K 256K` Sampling rate selection: 32Kb 16Kb` Auto stop recording 0.5 seconds silence is detected Recording capacity is full` Built-in 2-stage microphone amplifier` Built-in DRAM refresh circuit` Voltage type D/A output...

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HT8656 Picture
SeekIC No. : 004367146 Detail

HT8656: Features: ` Operating voltage: 4.5V~5.5V` ADM algorithm` DRAM selection: 64K 256K` Sampling rate selection: 32Kb 16Kb` Auto stop recording 0.5 seconds silence is detected Recording capacity is...

floor Price/Ceiling Price

Part Number:
HT8656
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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268 Transactions

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Upload time: 2024/3/27

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Product Details

Description



Features:

` Operating voltage: 4.5V~5.5V
` ADM algorithm
` DRAM selection:
   64K
   256K
` Sampling rate selection:
   32Kb
  16Kb
` Auto stop recording
   0.5 seconds silence is detected
   Recording capacity is full
` Built-in 2-stage microphone amplifier
` Built-in DRAM refresh circuit
` Voltage type D/A output
` Current type D/A output
` Auto record and playback
` Auto power-off
` Low power consumption



Application

· Toys
· Education
· Games



Pinout

  Connection Diagram


Specifications

Supply Voltage .................................0.3V to 6V
Storage Temperature................. 50 to 125
Input Voltage................. VSS0.3V to VDD+0.3V
Operating Temperature............... 20 to 70

*Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings" may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.



Description

The HT8656 is a single chip CMOS LSI for talking back applications using an ADM algorithm. Functions of the IC consist of recording/ playing as well as auto power off. It starts recording when a sound input is detected, and stops to play back when silence lasts 0.5 secondsduring recording. The auto power off function is activated once a REC/PLAY cycle has been implemented 64 times or an interval of silence exceeds 2 minutes.

The HT8656 provides a recording capacity of 2 seconds for DRAM of 64K and 8 seconds for DRAM of 256K at a 32Kb sampling rate and double recording capacity at a 16Kb sampling rate. A higher sampling rate will result in sounds of better quality but sacrifice the recording time, and vice versa.




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