Overview
The TDA9886TS/V4,118 is a multistandard IF-PLL demodulator produced by NXP USA Inc. This component is designed for alignment-free operation and supports various video standards including PAL, SECAM, and NTSC. It is capable of handling both positive and negative modulation, as well as sound AM and FM processing. The device features a fully integrated VIF Voltage-Controlled Oscillator (VCO) and a Phase-Locked Loop (PLL) system, making it highly versatile for various applications in the field of television and video processing.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VP) | 4.5 | 5.0 | 5.5 | V |
| Supply Current (IP) | 52 | 63 | 70 | mA |
| VIF Input Voltage (Vi(VIF)(rms)) | - | 6 | - | MHz |
| Video Bandwidth (Bv(-3dB)) | 3.95 | 4.05 | - | MHz (ftrap = 4.5 MHz) |
| Sound Carrier Trap Frequencies | - | - | - | 4.5 MHz, 5.5 MHz, 6.0 MHz, 6.5 MHz |
| Reference Frequency Input | - | - | - | 4 MHz |
| Video Output Level (CVBS) | - | 1.1 | 2 | V (p-p) |
Key Features
- Alignment-free multistandard (PAL, SECAM, and NTSC) vision and sound IF signal PLL demodulator.
- Supports both positive and negative modulation, including sound AM and FM processing.
- Gain-controlled wideband Vision Intermediate Frequency (VIF) amplifier, AC-coupled.
- True synchronous demodulation with active carrier regeneration, ensuring very linear demodulation, good intermodulation figures, reduced harmonics, and excellent pulse response.
- Fully integrated VIF Voltage-Controlled Oscillator (VCO), switchable for all negative and positive modulated standards via I2C-bus.
- Digital acquisition help with VIF frequencies of 33.4 MHz, 33.9 MHz, 38.0 MHz, 38.9 MHz, 45.75 MHz, and 58.75 MHz.
- Precise fully digital Automatic Frequency Control (AFC) detector with 4-bit digital-to-analog converter, AFC bits readable via I2C-bus.
- TakeOver Point (TOP) adjustable via I2C-bus or alternatively with a potentiometer.
- Fully integrated sound carrier trap for 4.5 MHz, 5.5 MHz, 6.0 MHz, and 6.5 MHz, controlled by FM-PLL oscillator.
- SIF AGC for gain-controlled SIF amplifier, single reference QSS mixer able to operate in high-performance single reference QSS mode and in intercarrier mode, switchable via I2C-bus.
- AM demodulator without extra reference circuit and alignment-free selective FM-PLL demodulator with high linearity and low noise.
Applications
- Television (TV) systems.
- Video Tape Recorders (VTR).
- Personal Computers (PC) with TV capabilities.
- Set-Top Boxes (STB).
Q & A
- What are the supported video standards for the TDA9886TS/V4,118?
The TDA9886TS/V4,118 supports PAL, SECAM, and NTSC video standards.
- What is the supply voltage range for the TDA9886TS/V4,118?
The supply voltage range is from 4.5 V to 5.5 V.
- What are the typical VIF input frequencies supported by the TDA9886TS/V4,118?
The device supports VIF frequencies of 33.4 MHz, 33.9 MHz, 38.0 MHz, 38.9 MHz, 45.75 MHz, and 58.75 MHz.
- How is the TakeOver Point (TOP) adjusted in the TDA9886TS/V4,118?
The TakeOver Point (TOP) can be adjusted via the I2C-bus or alternatively with a potentiometer.
- What sound carrier trap frequencies are supported by the TDA9886TS/V4,118?
The device supports sound carrier trap frequencies of 4.5 MHz, 5.5 MHz, 6.0 MHz, and 6.5 MHz.
- Does the TDA9886TS/V4,118 have an integrated AM demodulator?
Yes, the TDA9886TS/V4,118 has an integrated AM demodulator without the need for an extra reference circuit.
- How is the AFC detector implemented in the TDA9886TS/V4,118?
The AFC detector is a precise fully digital Automatic Frequency Control detector with a 4-bit digital-to-analog converter, and AFC bits are readable via the I2C-bus.
- What is the typical video output level at pin CVBS?
The typical video output level at pin CVBS is 1.1 V (p-p) without the trap and 2 V (p-p) with the trap.
- Can the sound carrier trap be bypassed in the TDA9886TS/V4,118?
Yes, the sound carrier trap can be bypassed by switching the I2C-bus, allowing the full composite video spectrum to appear at pin CVBS.
- What are the common applications of the TDA9886TS/V4,118?
The common applications include television systems, video tape recorders, personal computers with TV capabilities, and set-top boxes.
