Overview
The TDA18250HN/C1,551 is a cable silicon tuner IC designed by NXP USA Inc. specifically for high-definition cable Set-Top Boxes (STBs) that support single streaming. This integrated circuit is optimized for cable TV applications, offering advanced features such as automatic gain control, received signal strength indicator (RSSI) data access, and a die temperature sensor. The TDA18250HN is manufactured in a lead-free, RoHS-compliant HVQFN48 package, ensuring environmental compliance and reliability.
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 | - | - | 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 |
Key Features
- I2C-bus interface providing 3.3 V microcontroller compatibility, RSSI data access, and die temperature sensor data access.
- Automatic Gain Control (AGC) for stable signal reception.
- Lead-free and RoHS-compliant HVQFN48 package.
- High image rejection ratio of up to 62 dB.
- Low phase noise: -85 dBc/Hz at 10 kHz and -105 dBc/Hz at 100 kHz.
- Compliance with JEDEC standard class IV.
Applications
The TDA18250HN/C1,551 is primarily used in high-definition cable Set-Top Boxes (STBs) that support single streaming. It is also suitable for other cable TV and digital video broadcasting applications where high signal quality and reliability are essential.
Q & A
- What is the primary application of the TDA18250HN/C1,551? The primary application is in high-definition cable Set-Top Boxes (STBs) supporting single streaming.
- What is the package type of the TDA18250HN/C1,551? It is packaged in a lead-free, RoHS-compliant HVQFN48 package.
- What is the RF frequency range of the TDA18250HN/C1,551? The RF frequency range is from 42 MHz to 1002 MHz.
- What is the maximum input power of the TDA18250HN/C1,551? The maximum input power is 106 dBμV.
- Does the TDA18250HN/C1,551 support I2C-bus interface? Yes, it supports an I2C-bus interface for microcontroller compatibility and data access.
- What is the power dissipation of the TDA18250HN/C1,551? The power dissipation is 0.91 W.
- Is the TDA18250HN/C1,551 compliant with environmental standards? Yes, it is lead-free and RoHS-compliant.
- What is the image rejection ratio of the TDA18250HN/C1,551? The image rejection ratio is up to 62 dB.
- What are the phase noise specifications of the TDA18250HN/C1,551? The phase noise is -85 dBc/Hz at 10 kHz and -105 dBc/Hz at 100 kHz.
- Is the TDA18250HN/C1,551 suitable for automotive applications? No, it is not qualified or tested for automotive use.
