Overview
The TDA18250HN/C1,518 is a silicon tuner IC designed by NXP USA Inc. specifically for high-definition cable Set-Top Boxes (STBs) and other consumer video applications. This integrated circuit supports single streaming and is optimized for use in digital cable TV systems. It features a compact 48-VFQFN Exposed Pad package, making it suitable for surface mount applications.
Key Specifications
| Parameter | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| fRF (RF frequency) | edge | 42 | - | 1002 | MHz |
| Pi(max) (maximum input power) | - | -106 | - | dBμV | |
| NFtun (tuner noise figure) | fRF from 42 MHz to 862 MHz | - | 5 | 6 | dB |
| NFtun (tuner noise figure) | fRF > 862 MHz | - | 5.5 | - | dB |
| φn (phase noise) | 10 kHz | - | -85 | - | dBc/Hz |
| φn (phase noise) | 100 kHz | - | -105 | - | dBc/Hz |
| P (power dissipation) | - | 0.91 | - | W | |
| αimage (image rejection) | - | 50 | 62 | - | dB |
| VCC (supply voltage) | - | -0.3 | +3.6 | V | |
| VI (input voltage) | VCC < 3.3 V | -0.3 | VCC + 0.3 | V | |
| VI (input voltage) | VCC > 3.3 V | -0.3 | +3.6 | V |
Key Features
- I²C-bus interface for microcontroller compatibility, providing access to Received Signal Strength Indicator (RSSI) data and die temperature sensor data.
- Lead-free (Pb) manufacturing, adhering to environmental standards.
- Automatic Gain Control (AGC) and selectivity features to optimize signal reception.
- Compact 48-VFQFN Exposed Pad package, suitable for surface mount applications.
- Supports RF frequencies from 42 MHz to 1002 MHz.
- Low noise figure and high image rejection for improved signal quality.
Applications
The TDA18250HN/C1,518 is primarily used in high-definition cable Set-Top Boxes (STBs), Personal Video Recorders (PVRs), and other consumer video devices. It is designed to support single streaming in digital cable TV systems, making it an essential component for modern television and video processing systems.
Q & A
- What is the TDA18250HN/C1,518 used for?
The TDA18250HN/C1,518 is a silicon tuner IC used in high-definition cable Set-Top Boxes (STBs) and other consumer video applications.
- What is the package type of the TDA18250HN/C1,518?
The TDA18250HN/C1,518 comes in a 48-VFQFN Exposed Pad package.
- What is the supply voltage for the TDA18250HN/C1,518?
The supply voltage for the TDA18250HN/C1,518 is 3.3 V.
- What interface does the TDA18250HN/C1,518 use for communication?
The TDA18250HN/C1,518 uses an I²C-bus interface for communication with microcontrollers.
- What are the key specifications of the TDA18250HN/C1,518 in terms of RF frequency range?
The TDA18250HN/C1,518 supports RF frequencies from 42 MHz to 1002 MHz.
- How does the TDA18250HN/C1,518 ensure signal quality?
The TDA18250HN/C1,518 ensures signal quality through its low noise figure and high image rejection.
- Is the TDA18250HN/C1,518 lead-free?
Yes, the TDA18250HN/C1,518 is manufactured using lead-free (Pb) processes.
- What is the typical power dissipation of the TDA18250HN/C1,518?
The typical power dissipation of the TDA18250HN/C1,518 is 0.91 W.
- How can I order the TDA18250HN/C1,518?
You can order the TDA18250HN/C1,518 through various online platforms such as Ovaga Technologies, Elecinsight Electronics, or other authorized distributors by selecting the product and proceeding to the checkout page.
- What is the warranty period for the TDA18250HN/C1,518?
Ovaga Technologies offers a 1-year warranty on the TDA18250HN/C1,518, covering defects in materials and workmanship under normal use.
