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See Product Specifications
| Part Number: | ISD4003-04MS | 
| Category: | Integrated Circuits (ICs) | 
| Subcategory: | Interface - Voice Record and Playback | 
| Manufacturer: | Nuvoton Technology Corporation | 
| Packaging: | - | 
| Product Status: | Obsolete | 
| Interface: | SPI | 
| Input Signal: | Analog - Differential | 
| Output Signal: | Analog - Single Ended | 
| Sampling Frequency: | 8kHz | 
| Duration: | 4 Min | 
| Filter Pass Band: | 3.4kHz | 
| Messaging: | Multiple | 
| Oscillator Type: | Internal/External | 
| Features: | Auto Mute | 
| Operating Temperature: | 0°C ~ 70°C (TA) | 
| Voltage - Supply: | 2.7 V ~ 3.3 V | 
| Mounting Type: | Surface Mount | 
| Package / Case: | 28-SOIC (0.295", 7.50mm Width) | 
| Supplier Device Package: | 28-SOIC |