Overview
The TDA10025HN/C1,551 is a Dual Cable Downstream Processor developed by NXP USA Inc. This component is designed to implement the physical interfaces and protocols necessary for providing high-quality services in in-band DOCSIS, EuroDOCSIS, DVB, and OpenCable Set-Top Box (STB) applications. It integrates various functionalities such as demodulation, Forward Error Correction (FEC), and analog-to-digital conversion to process downstream cable signals efficiently.
Key Specifications
| Symbol | Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| P | Power dissipation (Standby mode) | All 3 ADC in Power-down mode and all clocks disabled | - | 10 | 30 | mW |
| P | Power dissipation (Operation mode) | 1.2 V supply voltage; 2 simultaneous DVB-C demodulations (256 QAM 6.9 Msps) | - | 205 | 280 | mW |
| P | Power dissipation (Operation mode) | 3.3 V supply voltage; 2 simultaneous DVB-C demodulations (256 QAM 6.9 Msps) | - | 30 | 50 | mW |
| Ptot | Total power dissipation | 2 simultaneous DVB-C demodulations (256 QAM 6.9 Msps) | - | 235 | 330 | mW |
| VDD(1V2) | Supply voltage (1.2 V) | - | 1.15 | 1.2 | 1.3 | V |
| VDD(3V3) | Supply voltage (3.3 V) | - | 3.0 | 3.3 | 3.6 | V |
| VIH | HIGH-level input voltage | VDD(3V3) related input levels | 2.0 | - | VDD(3V3) + 0.5 | V |
| VIL | LOW-level input voltage | - | -0.5 | - | 0.8 | V |
| Tstg | Storage temperature | - | -40 | - | 150 | °C |
| Tj | Junction temperature | - | - | 120 | °C | |
| VESD | Electrostatic discharge voltage | EIA/JESD22-A114 (human body model) | 2 | - | kV |
Key Features
- Supports QPSK, 16 QAM, 32 QAM, 64 QAM, 128 QAM, and 256 QAM demodulation
- Compliant with ITU-T J83 Annex A, B, and C FEC
- Transport Stream Multiplex Frame (TSMF) module for Annex C compliance
- Time interleaved parallel mode or serial mode for Transport Stream (TS) interface
- On-chip PLL for crystal frequency multiplication (16 MHz external)
- Reuse of the tuner clock, saving one crystal
- Embedded 12-bit ADC
- 3.3 V and 1.2 V power supplies
- Low power consumption: < 235 mW for dual stream operation
- Small size package: 48-VFQFN Exposed Pad
- Low cost Bill Of Material (BOM)
Applications
The TDA10025HN/C1,551 is primarily used in consumer video applications, particularly in:
- In-band DOCSIS and EuroDOCSIS systems
- Digital Video Broadcasting - Cable (DVB-C)
- OpenCable Set-Top Box (STB)
- Cable downstream processing in various cable TV and broadband networks
Q & A
- What is the TDA10025HN/C1,551 used for?
The TDA10025HN/C1,551 is a Dual Cable Downstream Processor used for demodulating and processing downstream cable signals in DOCSIS, EuroDOCSIS, DVB-C, and OpenCable STB applications.
- What modulation schemes does the TDA10025HN/C1,551 support?
The TDA10025HN/C1,551 supports QPSK, 16 QAM, 32 QAM, 64 QAM, 128 QAM, and 256 QAM demodulation.
- What are the power supply requirements for the TDA10025HN/C1,551?
The component requires 3.3 V and 1.2 V power supplies.
- What is the typical power consumption of the TDA10025HN/C1,551?
The typical power consumption is less than 235 mW for dual stream operation.
- What package type does the TDA10025HN/C1,551 come in?
The component is packaged in a 48-VFQFN Exposed Pad.
- Is the TDA10025HN/C1,551 compliant with any specific standards?
Yes, it is compliant with ITU-T J83 Annex A, B, and C FEC standards.
- Does the TDA10025HN/C1,551 have an on-chip PLL?
Yes, it has an on-chip PLL for crystal frequency multiplication.
- What is the storage temperature range for the TDA10025HN/C1,551?
The storage temperature range is from -40°C to 150°C.
- What is the junction temperature limit for the TDA10025HN/C1,551?
The junction temperature limit is 120°C.
- Is the TDA10025HN/C1,551 suitable for new designs?
No, it is not recommended for new designs.
