Overview
The TDA10025HN/C1,518 is a Dual Cable Downstream Processor (CDP) 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 Boxes (STBs). It integrates various functionalities, including demodulation, Forward Error Correction (FEC), and Transport Stream (TS) processing, making it a crucial component in cable television and broadband communication systems.
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 |
| 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 |
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
- Includes 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 (HVQFN48)
- Low cost Bill Of Material (BOM)
Applications
- In-band DOCSIS, EuroDOCSIS, DVB, and OpenCable Set-Top Boxes (STBs)
- Cable television systems
- Broadband communication systems
- Digital video broadcasting over cable networks
Q & A
- What is the TDA10025HN/C1,518 used for?
The TDA10025HN/C1,518 is used as a Dual Cable Downstream Processor in in-band DOCSIS, EuroDOCSIS, DVB, and OpenCable Set-Top Boxes (STBs).
- What types of modulation does the TDA10025HN support?
The TDA10025HN supports QPSK, 16 QAM, 32 QAM, 64 QAM, 128 QAM, and 256 QAM demodulation.
- What are the power supply voltages for the TDA10025HN?
The TDA10025HN operates with 3.3 V and 1.2 V power supplies.
- What is the typical power consumption of the TDA10025HN during dual stream operation?
The typical power consumption is less than 235 mW for dual stream operation.
- What package type is the TDA10025HN available in?
The TDA10025HN is available in a HVQFN48 plastic thermal enhanced very thin quad flat package.
- Does the TDA10025HN have an on-chip PLL?
Yes, the TDA10025HN includes an on-chip PLL for crystal frequency multiplication.
- What is the storage temperature range for the TDA10025HN?
The storage temperature range is from -40°C to +150°C.
- Is the TDA10025HN compliant with any specific FEC standards?
Yes, it is compliant with ITU-T J83 Annex A, B, and C FEC.
- Does the TDA10025HN support Transport Stream Multiplex Frame (TSMF) module?
Yes, it includes a TSMF module for Annex C compliance.
- What is the maximum junction temperature for the TDA10025HN?
The maximum junction temperature is 120°C.
