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NXP Semiconductors TDA9885TS/V5,118
- Part No.:
- TDA9885TS/V5,118
- Manufacturer:
- NXP Semiconductors
- Category:
- Video Processing
- Package:
- 24-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
TDA9885TS/V5,118.pdf
- Description:
- IC VIDEO DEMODULATOR 24SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,484
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Product details
Overview
TDA9885TS/V5 from NXP Semiconductors is a multistandard PAL/NTSC alignment-free IF-PLL demodulator IC for negative-modulation TV signal processing, featuring 5 V supply, 66 dB VIF gain control range, 45.75 MHz vision IF operation, integrated 4.5–6.5 MHz sound carrier trap, and I²C-bus programmability - deployed in analog TV receivers and STB front-ends.
For engineers reviewing the TDA9885TS/V5 datasheet, TDA9885TS/V5 pinout, TDA9885TS/V5 application, or TDA9885TS/V5 equivalent, this page delivers verified technical context, real-world video/audio performance specs, SSOP24 package mapping, functional alternatives with documented differences, and supply-chain support for legacy broadcast hardware design and repair.
Technical Context
The TDA9885TS/V5 implements a dual-loop architecture: a vision IF PLL with fully integrated VCO (50–140 MHz range, divided-by-two for quadrature outputs) and digital acquisition help for ±2.3 MHz lock-in window at 45.75 MHz; and a narrowband FM-PLL demodulator (4–7 MHz VCO) with 100 kHz selectivity, AFC current output (1.05 µA/kHz), and auto-mute triggered by out-of-window counting.
It supports true synchronous video demodulation via active carrier regeneration, gated phase detection for L/L' standards, and single-reference QSS mixer operation switchable between intercarrier and QSS modes via I²C. The VIF AGC operates as peak sync detector for negative modulation; SIF AGC adapts to AM/FM sound with 5.5 dB internal level offset.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 5.0 V nominal; operates from 4.5 V to 5.5 V - ensures compatibility with legacy 5 V TV system rails. |
| VIF Input Sensitivity | 60–100 µV RMS - enables reception of weak IF signals without external preamplification. |
| VIF Gain Control Range | 66 dB typical - provides robust dynamic range handling across varying tuner output levels. |
| Video Output Level | 2.0 V (p-p) with sound trap active - matches standard CVBS interface requirements for downstream video processing. |
| AFC Steepness | 1.05 µA/kHz typical - defines linear tuning sensitivity for precise VCO frequency correction in PLL loop. |
| AF Output (RMS) | 540 mV at 27 kHz FM deviation - delivers line-level audio directly to analog audio stages without amplification. |
| −3 dB Video Bandwidth | 4.05 MHz (ftrap = 5.5 MHz) - preserves luminance detail while suppressing sound carrier interference. |
| I²C Address Options | Four selectable slave addresses - avoids bus conflicts in multi-IC TV system designs. |
Pinout & Package
Package: SSOP24 (SOT340-1), plastic shrink small outline, 24 leads, body width 5.3 mm - optimized for space-constrained TV tuner modules and STB mainboards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIF1 / VIF2 | Vision IF differential input | Accepts AC-coupled 45.75 MHz IF signal; 2 kΩ || 3 pF input impedance enables direct connection to SAW filter outputs. |
| SIF1 / SIF2 | Sound IF differential input | Supports QSS or intercarrier mode; pins double as MAD select resistors for I²C address configuration. |
| CVBS | Composite video output | 2 V (p-p) output with integrated sound trap; 1.1 V (p-p) in bypass mode - simplifies external filtering decisions. |
| AUD | Audio output | 540 mV RMS AF output with 50 µs de-emphasis - drives standard line-input stages without external RC networks. |
| REF | 4 MHz reference input | Accepts crystal or external 4 MHz signal - eliminates need for separate oscillator in PLL-tuned systems. |
| SDA / SCL | I²C-bus interface | Enables full configuration (VIF frequencies, TOP, trap selection, mute, de-emphasis) at power-up or runtime. |
| TOP | Tuner AGC TakeOver Point adjust | Configurable via I²C or external potentiometer - allows field calibration when EEPROM storage is unavailable. |
| AFC | Analog AFC current output | 1.05 µA/kHz output feeds external loop filter - provides direct analog feedback for VCO tuning stability. |
Key Features
| Feature | Design Value |
|---|---|
| Alignment-free multistandard demodulation | Eliminates manual IF alignment during TV manufacturing - reduces production test time and calibration labor. |
| Digital acquisition help | Prevents false PLL locking at startup by dynamically adjusting VCO current until VIF frequency enters ±2.3 MHz window. |
| Integrated sound carrier trap | Four-frequency (4.5/5.5/6.0/6.5 MHz) trap controlled by FM-PLL oscillator - removes sound carriers before video output without external filters. |
| I²C-controlled TOP and trap mode | Enables software-selectable AGC onset and trap bypass - supports multiple broadcast standards (B/G, L, D/K) on single PCB layout. |
| Single-reference QSS mixer | Generates intercarrier signal using VIF-PLL's 90° VCO output - achieves Hi-Fi stereo audio without SAW filter or dual-reference circuitry. |
| AM/FM dual-sound processing | On-chip AM demodulator (no external reference) + narrowband FM-PLL (100 kHz BW) - handles both NTSC and PAL audio formats in one device. |
Applications
| Analog TV Receiver | Set-Top Box (STB) |
|---|---|
|
Use Scenario: Legacy terrestrial/cable TV receiver processing PAL-B/G or NTSC-M IF signals from tuner module. IC Role / Device Role / Timing Role: Vision and sound IF demodulator performing synchronous video demodulation and FM/AM audio recovery. Use Value: Delivers 2 V (p-p) CVBS and 540 mV RMS audio with <5% differential gain error and <4° differential phase - meets ITU-T J.63 broadcast quality requirements. |
Use Scenario: Analog-to-digital transition STB accepting composite IF input from legacy tuner. IC Role / Device Role / Timing Role: Alignment-free IF-PLL demodulator providing standardized CVBS and AF outputs for ADC and audio codec interface. Use Value: I²C configurability enables single hardware design to support regional standards (e.g., 5.5 MHz trap for PAL-D/K, 4.5 MHz for NTSC) without BOM changes. |
| VCR Playback Front-End | Professional Video Monitor |
|
Use Scenario: High-fidelity VCR playback system recovering video/audio from tape-recorded IF signals. IC Role / Device Role / Timing Role: Multistandard demodulator with gated phase detection for L-accent standard and precise AFC for stable playback timing. Use Value: 66 dB VIF AGC range and fast-mode AGC response suppress flutter-induced gain jumps - maintains consistent luminance during tape speed variations. |
Use Scenario: Broadcast-grade analog video monitor requiring low-distortion, low-noise composite signal reconstruction. IC Role / Device Role / Timing Role: Vision IF demodulator with active carrier regeneration and noise clipping - preserves pulse response and intermodulation performance. Use Value: −3 dB video bandwidth of 4.05 MHz (at 5.5 MHz trap) and <0.15% THD deliver studio-quality luminance fidelity for critical waveform monitoring. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar IF-PLL demodulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TDA9886TS/V5 | Supports PAL/SECAM/NTSC and positive/negative modulation; adds L'/L-accent gating and AM sound processing. | Required for SECAM or dual-modulation (positive/negative) systems; not drop-in compatible due to extended feature set and pin function differences. | Select TDA9886TS/V5 only if SECAM support or positive-modulation capability is required - otherwise TDA9885TS/V5 offers lower cost and identical PAL/NTSC performance. |
| LA76818 | Single-supply 5 V operation; no integrated sound trap; requires external 4.5 MHz crystal for sound carrier rejection. | Used in cost-sensitive CRT TVs where external trap filtering is acceptable; lacks I²C programmability and digital acquisition help. | Choose LA76818 only for new low-cost designs where external trap components and fixed-standard operation are acceptable trade-offs for reduced BOM count. |
Compared with TDA9886TS/V5, the TDA9885TS/V5 omits SECAM and positive-modulation support but retains identical PAL/NTSC video fidelity, VIF AGC behavior, and SSOP24 footprint - making it optimal for legacy PAL/NTSC-only systems. Versus LA76818, it integrates sound trapping and digital acquisition, eliminating two external crystals and reducing startup instability risk.
Availability
TDA9885TS/V5 is available at Aetrix Electronics and suitable for analog TV receivers, set-top boxes, VCR playback systems, and professional video monitors requiring stable component supply for long-lifecycle broadcast equipment maintenance and refurbishment.
Supply support for TDA9885TS/V5 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and consumer applications - with deep heritage in broadcast and analog signal processing ICs.
The TDA9885TS/V5 belongs to NXP's legacy TV signal processing product line, designed specifically for alignment-free multistandard IF demodulation in analog television and video equipment - emphasizing reliability, broadcast compliance, and long-term manufacturability.
FAQ
What video standards does the TDA9885TS/V5 support?
The TDA9885TS/V5 supports PAL and NTSC standards exclusively, with negative modulation only. It does not support SECAM or positive-modulation standards - those require the TDA9886TS/V5 variant. Its VIF frequencies include 33.4 MHz, 33.9 MHz, 38.0 MHz, 38.9 MHz, 45.75 MHz, and 58.75 MHz, all configurable via I²C-bus. This makes TDA9885TS/V5 ideal for legacy PAL-B/G and NTSC-M broadcast systems.
Does the TDA9885TS/V5 require external crystals or oscillators?
The TDA9885TS/V5 requires only a single 4 MHz reference source at pin REF - which can be either a 4 MHz crystal connected directly (1-pin oscillator mode) or an external 4 MHz signal from a PLL tuning system. No additional crystals are needed for sound carrier trapping or VCO operation, as both the VIF and FM-PLL VCOs are fully integrated and digitally assisted. This reduces BOM count and board space versus discrete oscillator solutions.
How is the sound carrier trap configured on the TDA9885TS/V5?
The TDA9885TS/V5 integrates a programmable sound carrier trap supporting 4.5 MHz, 5.5 MHz, 6.0 MHz, and 6.5 MHz frequencies - selected via I²C-bus commands. The trap is controlled by the FM-PLL oscillator and automatically aligns to the selected standard. In trap bypass mode, the full composite video spectrum appears at CVBS with 1.1 V (p-p) amplitude. This eliminates need for external notch filters while maintaining flexibility across regional TV standards.
Can the TDA9885TS/V5 operate without I²C-bus control?
Yes - the TDA9885TS/V5 supports basic operation without I²C-bus: default VIF frequency (45.75 MHz), fixed trap frequency (5.5 MHz), and factory-set TOP are active at power-up. However, full functionality - including VIF frequency switching, trap selection, de-emphasis control, mute enable, and AFC readback - requires I²C communication. Pin TOP also accepts a potentiometer for analog AGC adjustment if I²C memory is unavailable.
What is the video output drive capability of the TDA9885TS/V5?
The TDA9885TS/V5 delivers 2.0 V (p-p) composite video output at pin CVBS when the sound carrier trap is active, meeting standard CVBS interface specifications. With trap bypass, output drops to 1.1 V (p-p). It features noise clipping in both modes and drives 75 Ω loads directly. The −3 dB video bandwidth is 4.05 MHz (at 5.5 MHz trap), ensuring full ITU-R BT.470 luminance response while suppressing harmonics and intermodulation distortion.
TDA9885TS/V5,118 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 24-SSOP (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Function:
- Demodulator
- Applications:
- Professional Video
- Standards:
- NTSC, PAL
- Control Interface:
- I2C
- Voltage - Supply:
- 4.5V ~ 5.5V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 24-SSOP
TDA9885TS/V5,118 FAQ
1.How can I place an order for TDA9885TS/V5,118 through Aetrix?
Please submit a Request for Quotation (RFQ) for TDA9885TS/V5,118 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TDA9885TS/V5,118 reliable?
The price and inventory of TDA9885TS/V5,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TDA9885TS/V5,118 is usually 5 days.
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Once your TDA9885TS/V5,118 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TDA9885TS/V5,118?
For technical support, including TDA9885TS/V5,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TDA9885TS/V5,118 requirements.
6.How does Aetrix verify that TDA9885TS/V5,118 is sourced from the original manufacturer or authorized distributors?
All TDA9885TS/V5,118 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TDA9885TS/V5,118 meets industry standards.
7.What is the process for return or replacement of TDA9885TS/V5,118?
All TDA9885TS/V5,118 units undergo pre-shipment inspection (PSI). If there is an issue with TDA9885TS/V5,118, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TDA9885TS/V5,118 part is unused and in its original packaging.
Return procedure for TDA9885TS/V5,118:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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