UCC3750DWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
UCC3750DWG4 is a telephone ringer controller IC from Texas Instruments supporting 20Hz, 25Hz, and 50Hz ringing frequencies in a 28-pin SOIC package. It operates from a 5V supply and integrates all functions needed for PSTN ringer signal generation. Available from stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- OBSOLETE
- Datasheet
- UCC3750DWG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Supports multiple ringing frequencies of 20Hz, 25Hz, and 50Hz for international PSTN compatibility
- 5V single-supply operation with integrated ringer signal generation for simplified telephone interface design
- 28-pin SOIC package with JEDEC-compliant plastic/epoxy construction rated for 260C peak reflow temperature
Applications
The UCC3750DWG4 is designed for telephone terminal equipment, POTS modems, and PSTN interface circuits requiring compliant ringer signal generation. It is used in subscriber line interface cards (SLICs) and central office line cards where accurate ringing frequency control is critical. The device is also suitable for legacy telephony equipment upgrades and OEM telephone handset designs.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Telecom IC Type | TELECOM CIRCUIT |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for UCC3750DWG4:
Frequently Asked Questions
What ringing frequencies does the UCC3750DWG4 support?
The UCC3750DWG4 supports 20Hz, 25Hz, and 50Hz ringing frequencies, covering the major international PSTN standards used in North America, Europe, and Asia. This multi-frequency capability simplifies the design of globally deployable telephone equipment without requiring separate controller ICs.
What package and pin count does the UCC3750DWG4 use?
The UCC3750DWG4 is housed in a 28-pin Small Outline Integrated Circuit (SOIC) package with a rectangular body made from plastic/epoxy material. The SOIC format is compatible with standard SMT assembly processes and supports a peak reflow temperature of 260 degrees Celsius.
What supply voltage does the UCC3750DWG4 require?
The UCC3750DWG4 operates from a 5V supply voltage, making it compatible with standard TTL and CMOS digital logic levels. The single-supply design reduces power management complexity in telephone line interface applications.
Is the UCC3750DWG4 RoHS compliant?
Yes, the UCC3750DWG4 is lead-free and RoHS compliant, as indicated by its JESD-609 code e4 and Pb-free marking. This makes it suitable for environmentally compliant manufacturing processes and end products sold in regions with lead-free regulations.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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