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See Product Specifications
| Part Number: | ISD1740SY | 
| Category: | Integrated Circuits (ICs) | 
| Subcategory: | Interface - Voice Record and Playback | 
| Manufacturer: | Nuvoton Technology Corporation | 
| Packaging: | Tube | 
| Product Status: | Active | 
| Interface: | Pushbutton, SPI | 
| Input Signal: | Analog - Single Ended, Microphone | 
| Output Signal: | Analog - Single Ended, PWM Speaker Output | 
| Sampling Frequency: | 4 ~ 12kHz | 
| Duration: | 26 ~ 80 Sec | 
| Filter Pass Band: | - | 
| Messaging: | Multiple | 
| Oscillator Type: | Internal | 
| Features: | Automatic Gain Control, Volume Control | 
| Operating Temperature: | 0°C ~ 70°C (TA) | 
| Voltage - Supply: | 2.4 V ~ 5.5 V | 
| Mounting Type: | Surface Mount | 
| Package / Case: | 28-SOIC (0.295", 7.50mm Width) | 
| Supplier Device Package: | 28-SOIC |