Overview
The UCC3750DWTR, manufactured by Texas Instruments, is a Source Ringer Controller integrated circuit designed for use in telecom applications. This IC provides a complete control and drive solution for a four-quadrant flyback-based ring generator circuit. It is particularly useful in systems that require the generation of ringing signals for telephones and other communication devices. The UCC3750DWTR is packaged in a 28-SOIC (Small Outline Integrated Circuit) package, making it suitable for surface mount applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Package | 28-SOIC (0.295", 7.50mm Width) | |
| Voltage - Supply | 5V | V |
| Current - Supply | 500µA | mA |
| Operating Temperature | 0°C ~ 70°C | °C |
| Mounting Type | Surface Mount | |
| Number of Circuits | 1 | |
| Internal Reference Voltage | 7.3 ~ 7.8 V | V |
| Sine Reference Accuracy | -1 ~ 1 Hz | Hz |
| Total Harmonic Distortion | 2% | % |
Key Features
- Provides control for a four-quadrant flyback-based ring generator circuit.
- Onboard sine wave reference with programmable frequencies of 20Hz, 25Hz, and 50Hz.
- Internal 3V and 7.5V references.
- Charge-pump circuit for gate drive voltage.
- Programmable DC current limit with buffer amplifier.
- Triangular clock oscillator and buffer amplifier for adding programmable DC offset to the output voltage.
- Uncommitted amplifier for other signal processing requirements.
Applications
The UCC3750DWTR is primarily used in telecom applications, including:
- Telephone systems requiring ringing signal generation.
- Communication devices that need controlled and driven ring generator circuits.
- Systems that require bi-directional power transfer and output voltage control.
Q & A
- What is the primary function of the UCC3750DWTR?
The UCC3750DWTR is a Source Ringer Controller that provides a complete control and drive solution for a four-quadrant flyback-based ring generator circuit.
- What are the programmable frequencies of the UCC3750DWTR?
The UCC3750DWTR has programmable frequencies of 20Hz, 25Hz, and 50Hz.
- What is the operating temperature range of the UCC3750DWTR?
The operating temperature range is 0°C to 70°C.
- What type of package does the UCC3750DWTR come in?
The UCC3750DWTR is packaged in a 28-SOIC (Small Outline Integrated Circuit) package.
- What is the supply voltage for the UCC3750DWTR?
The supply voltage is 5V.
- Does the UCC3750DWTR have an onboard sine wave reference?
Yes, the UCC3750DWTR has an onboard sine wave reference.
- What are the internal references provided by the UCC3750DWTR?
The UCC3750DWTR provides internal 3V and 7.5V references.
- Can the UCC3750DWTR be used for other signal processing tasks?
Yes, it includes an uncommitted amplifier for other signal processing requirements.
- What is the total harmonic distortion of the sine reference in the UCC3750DWTR?
The total harmonic distortion is 2%.
- Is the UCC3750DWTR RoHS compliant?
Yes, the UCC3750DWTR is RoHS compliant.
