75T204-IL - Brand New TDK Corporation IC Chips
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Description
The 75T204-IL is a complete Dual-Tone Multifrequency (DTMF) receiver that detects 16 standard digits. It is designed with state-of-the-art "switched-capacitor" filter technology, resulting in approximately 40 poles of filtering. The analog input signal is pre-processed by 60-Hz reject and band split filters and then zero-cross detected to provide AGC. The 75T204-IL requires only an inexpensive 3.58-MHz television “colorburst” crystal for frequency reference and a bias resistor as external components.
Specifications and features
- Intended for applications with less requirements than the 75T202/75T203
- 14-pin plastic DIP or 16-pin SO package for high system density
- NO front-end band-splitting filters required
- Single low-tolerance 5-volt supply
- Detects all 16 standard DTMF digits
- Uses an inexpensive 3.579545-MHz crystal
- Excellent speech immunity
- Output in 4-bit hexadecimal code
- Three-state outputs for microprocessor interface
Application Scenarios
The 75T204-IL is perfect for applications that require DTMF detection and decoding. It can be used in telecommunication systems, remote control systems, security systems, and more.
Comparison
Advantages- Complete DTMF receiver capable of detecting 16 standard digits
- Requires only an inexpensive 3.58-MHz television “colorburst” crystal and a bias resistor as external components
- State-of-the-art "switched-capacitor" filter technology for high-quality signal filtering
- Excellent speech immunity
- Output in 4-bit hexadecimal code
- Three-state outputs for easy interface with microprocessors
DisadvantagesNo front-end band-splitting filters required, which may limit its suitability for certain applications.
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download 75T204-IL
- Chipdatas Part: CD87-75T204-IL
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 14:40 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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