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NXP Semiconductors TDA19977AHV/15,518
- Part No.:
- TDA19977AHV/15,518
- Manufacturer:
- NXP Semiconductors
- Category:
- Specialized
- Package:
- 144-LQFP Exposed Pad
- Datasheet:
-
TDA19977AHV/15,518.pdf
- Description:
- IC INTFACE SPECIALIZED 144HLQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,830
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Product details
Overview
TDA19977AHV/15,518 from NXP Semiconductors is a triple-input HDMI 1.3a-compliant receiver IC with embedded auto-adaptive equalizer (supporting up to 25 m cable), integrated EDID memory (253 shared + 3 per input bytes), and HDCP 1.2 decryption via OTP storage - deployed in high-end AV receivers, HDMI splitters, and projector systems requiring 1080p/60 Hz video and 192 kHz audio processing.
For engineers reviewing the TDA19977AHV/15,518 datasheet, TDA19977AHV/15,518 pinout, TDA19977AHV/15,518 application, or TDA19977AHV/15,518 equivalent, key selection criteria include HDMI 235 MHz max link frequency, 1.8 V/3.3 V dual-supply operation, LV-TTL video port outputs, I²C-bus programmability (400 kbit/s), and support for Deep Color (10-/12-bit) and HBR/DST/OBA audio streams.
Technical Context
The TDA19977AHV/15,518 implements three independent HDMI 1.3a receivers with fully automatic equalization per channel, enabling robust signal recovery over long cables. Its internal architecture includes dedicated HDMI receiver blocks with termination resistance control (RRX1/RRX2), HDCP 1.2 decryption engine (OTP-stored keys), and packet extraction logic for InfoFrames, color gamut metadata, and HBR audio.
Video processing includes RGB/YCbCr color space conversion, 4:2:2 downsampling with selectable ITU-R BT.601 filters, and flexible output formatting (RGB 4:4:4, YCbCr 4:4:4, semi-planar or BT.656 4:2:2). Audio subsystem delivers up to eight channels via four S/PDIF/I²S ports (192 kHz) or four demultiplexed outputs for HBR (768 kHz), with DSD/DST support for SACD playback.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| HDMI Link Frequency | Up to 235 MHz - supports 1080p60, WUXGA 1920×1200p60 (reduced blanking), UXGA 1600×1200p60 |
| Equalizer Capability | Auto-adaptive per-link - enables lab-validated 25 m transmission over 0.5 mm (24 AWG) cable at 2.25 GS/s |
| Color Depth Support | 8/10/12-bit per component - Deep Color mode enabled for 1080p50/60 and WUXGA with 4:4:4 output |
| Audio Output Flexibility | Four S/PDIF/I²S ports (8-channel total) or HBR demux (768 kHz); DSD/DST support for SACD with six-channel DSD output |
| Power Supply | 1.8 V core (VDDC/VDDH), 3.3 V I/O (VDDH/VDDO/VDDI) - CMOS process with separate domain regulation |
| Interface Control | I²C-bus slave (400 kbit/s, 5 V tolerant), DDC-bus (5 V tolerant), programmable tsu(Q)/th(Q) timing on video port |
| Package | HLQFP144 - 20 × 20 × 1.4 mm thermal-enhanced quad flat package with exposed die pad |
Pinout & Package
Package: HLQFP144 (SOT612-3), 20 × 20 × 1.4 mm, thermally enhanced plastic quad flat package with exposed die pad connected to VSSC (digital core ground).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PD (Pin 2) | Power-down control input | Active-HIGH assertion enters one of three power-down modes (full, EDID+I²C active, or EDID+I²C+activity detection) |
| RXAC+/RXAC− (Pins 116/115) | HDMI Input A differential clock pair | Accepts TMDS clock up to 235 MHz; termination controlled via RRX1 resistor network |
| VP[29:0] (Pins 36–76, 75–76, 138–139) | 29-bit parallel video port output | LV-TTL compatible; configurable for RGB 4:4:4 (R/G/B on VP[29:20]/[19:10]/[9:0]), YCbCr 4:2:2 semi-planar, or BT.656 format |
| ACLK, AP0–AP5 (Pins 78, 79–85) | Audio clock and multi-format audio ports | ACLK = 64×fs I²S clock; AP0–AP5 support S/PDIF, I²S, OBA, DST, or HBR demux - layout-selectable via I²C |
| SDA/SCL (Pins 97/98) | I²C-bus serial interface | 400 kbit/s, 5 V tolerant; slave address set by A0 (Pin 110); controls all configuration, timing, color, and HDCP registers |
Key Features
| Feature | Design Value |
|---|---|
| Triple HDMI 1.3a Receiver | Three independent inputs with full HDCP 1.2 repeater capability (TDA19977A only), each with dedicated DDC bus (HSCLA/HSDAA etc.) |
| Embedded Auto-Adaptive Equalizer | Per-link real-time equalization without external tuning - eliminates need for manual gain/boost adjustment in long-cable designs |
| Deep Color & Format Flexibility | 10-/12-bit unpacking with automatic pixel group reconstruction; supports PC (UXGA) and TV (1080p60/WUXGA) formats plus interlaced/progressive detection |
| Programmable Video Timing | I²C-adjustable tsu(Q) and th(Q) setup/hold margins on VP[29:0] - enables precise synchronization with downstream video processors (e.g., Nexperia SoCs) |
| HBR/DST/OBA Audio Processing | Hardware-accelerated extraction and demultiplexing of Dolby TrueHD, DTS-HD Master Audio, and SACD streams - offloads host CPU from real-time packet parsing |
Applications
| Home Theater AV Receiver | HDMI Splitter / Matrix Switch |
|---|---|
Use Scenario: Multi-source HDMI aggregation with HDCP passthrough, format translation, and audio extraction for surround sound decoding. IC Role / Device Role / Timing Role: HDMI receiver front-end converting encrypted/unaltered streams into parallel RGB/YCbCr and time-aligned audio outputs. Use Value: Enables single-chip handling of three HDMI sources at 1080p60 with HDCP 1.2 repeater compliance and 192 kHz audio - reducing BOM count vs. discrete receiver + audio extractor solutions. | Use Scenario: Distribution of one HDMI source to multiple displays while preserving resolution, color depth, and audio fidelity across outputs. IC Role / Device Role / Timing Role: Input selector and retransmitter with activity-detection-driven auto-switching and embedded EDID management per port. Use Value: Eliminates need for external EDID emulators and simplifies firmware by integrating input arbitration, format recognition, and video/audio buffering in one device. |
| High-End Projector Controller | Professional LCD/Plasma Display |
Use Scenario: Driving native-resolution imaging engines (e.g., DLP or LCoS) requiring precise pixel-clock alignment and low-jitter video data. IC Role / Device Role / Timing Role: Video digitizer with VHREF timing generator producing HS/VS/DE/CS signals synchronized to HDMI source timing. Use Value: Provides sub-pixel timing accuracy (1 LSB = 1×MCLK period) and programmable blanking/video area measurement - critical for artifact-free scaling and deinterlacing. | Use Scenario: High-fidelity display interface in commercial signage or broadcast monitors needing wide-gamut color metadata and Deep Color support. IC Role / Device Role / Timing Role: Color space converter and gamut boundary descriptor with interrupt-on-update for dynamic color profile switching. Use Value: Delivers real-time RGB↔YCbCr conversion using I²C-programmable coefficients and ITU-R BT.601/BT.656 compliant 4:2:2 formatting - ensuring broadcast-grade color fidelity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar HDMI receiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Si2242-A-EVB | No integrated HDCP engine; requires external secure memory; supports HDMI 1.4 but lacks HBR/DST/OBA audio extraction | Suitable for non-HDCP content paths or where HDCP is handled upstream; no SACD/DSD support | Select when HDCP is not required and cost-sensitive design favors silicon-proven analog-front-end stability over feature density |
| ADV7611WBCPZ | Single HDMI input; no auto-adaptive equalizer; supports HDMI 1.4a but limited to 1080p60 (no WUXGA); 1.8 V/3.3 V supply only | Better suited for compact single-input designs; lacks triple-input flexibility and long-cable equalization | Choose for space-constrained applications needing proven driver ecosystem and lower pin count, accepting reduced input count and cable reach |
Compared with Si2242-A-EVB and ADV7611WBCPZ, the TDA19977AHV/15,518 uniquely combines triple HDMI inputs, on-die HDCP 1.2 repeater, auto-equalization for 25 m cables, and hardware-accelerated HBR/DST/OBA audio - making it optimal for premium multi-source AV equipment where security, reach, and audio format breadth are mandatory.
Availability
TDA19977AHV/15,518 is available at Aetrix Electronics and suitable for home theater receivers, HDMI matrix switches, and professional display controllers requiring stable component supply, long-cable HDMI signal integrity, and certified HDCP 1.2 repeater functionality.
Supply support for TDA19977AHV/15,518 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 electronics, with deep expertise in digital media processing and interface IP.
The TDA19977AHV/15,518 belongs to NXP's Nexperia HDMI receiver product line, engineered specifically for high-fidelity, multi-source AV equipment demanding robust HDCP handling, Deep Color support, and long-reach signal conditioning without external equalizers.
FAQ
Does TDA19977AHV/15,518 support HDCP 2.2 or later versions?
No. The TDA19977AHV/15,518 implements HDCP 1.2 exclusively, as confirmed in its datasheet Section 2 (Features) and Section 8.6. It does not support HDCP 2.2, 2.3, or any later revision. Systems requiring HDCP 2.2 compliance must use newer-generation receivers such as NXP's TDA19988 or third-party alternatives. The TDA19977AHV/15,518 remains valid for legacy 1.2-compliant ecosystems including many Blu-ray players and older set-top boxes.
What is the maximum supported video resolution and refresh rate for TDA19977AHV/15,518?
The TDA19977AHV/15,518 supports up to 1920 × 1080p at 50/60 Hz and WUXGA (1920 × 1200p) at 60 Hz with reduced blanking, as specified in Section 1 (General description) and Table 1 (Quick reference data). It does not support 4K/UHD resolutions. Its 235 MHz HDMI link frequency limits pixel clock bandwidth to ~148.5 MHz for 1080p60 (including blanking), consistent with HDMI 1.3a specification compliance.
Can TDA19977AHV/15,518 decode Dolby TrueHD and DTS-HD Master Audio streams?
Yes. The TDA19977AHV/15,518 natively supports HBR (High Bit Rate) audio streams including Dolby TrueHD and DTS-HD Master Audio, as stated in Section 1 and Section 8.10. It extracts and demultiplexes these streams into up to four S/PDIF or I²S outputs at sampling rates up to 768 kHz. This capability is hardware-accelerated and requires no host CPU intervention beyond initial I²C configuration of the audio port layout.
Is an external crystal required for TDA19977AHV/15,518 operation?
No. The TDA19977AHV/15,518 includes an embedded oscillator (Section 1, Section 2), allowing standalone operation without an external crystal. However, an external 27 MHz crystal may be connected to XTALIN/MCLK (Pin 94) and XTALOUT (Pin 93) to improve timing accuracy for sync timing measurements and format recognition - particularly beneficial in PC-format detection per Section 8.13 and 8.14.
How does the auto-adaptive equalizer in TDA19977AHV/15,518 function without external control?
The auto-adaptive equalizer in TDA19977AHV/15,518 operates fully autonomously (Section 8.4): it continuously measures incoming HDMI signal integrity per link and selects optimal equalization settings in real time. No I²C register writes, external components, or calibration routines are needed. This behavior is verified in lab testing up to 25 m with 0.5 mm (24 AWG) cable at 2.25 GS/s, eliminating design effort associated with manual equalizer tuning.
TDA19977AHV/15,518 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 144-LQFP Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Applications:
- HDTV
- Interface:
- HDMI
- Voltage - Supply:
- 1.8V, 3.3V
- Supplier Device Package:
- 144-HLQFP (20x20)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
TDA19977AHV/15,518 FAQ
1.How can I place an order for TDA19977AHV/15,518 through Aetrix?
Please submit a Request for Quotation (RFQ) for TDA19977AHV/15,518 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 TDA19977AHV/15,518 reliable?
The price and inventory of TDA19977AHV/15,518 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TDA19977AHV/15,518 is usually 5 days.
3.What payment methods are accepted for TDA19977AHV/15,518?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TDA19977AHV/15,518 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TDA19977AHV/15,518?
TDA19977AHV/15,518 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TDA19977AHV/15,518 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 TDA19977AHV/15,518?
For technical support, including TDA19977AHV/15,518 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TDA19977AHV/15,518 requirements.
6.How does Aetrix verify that TDA19977AHV/15,518 is sourced from the original manufacturer or authorized distributors?
All TDA19977AHV/15,518 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 TDA19977AHV/15,518 meets industry standards.
7.What is the process for return or replacement of TDA19977AHV/15,518?
All TDA19977AHV/15,518 units undergo pre-shipment inspection (PSI). If there is an issue with TDA19977AHV/15,518, 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 TDA19977AHV/15,518 part is unused and in its original packaging.
Return procedure for TDA19977AHV/15,518:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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