Overview
The TDA19997HL/C1,518 is a sophisticated integrated circuit designed by NXP USA Inc. for high-performance video switching applications. This component is a Smart HDMI 1.4 (4:1) switch, optimized for handling Hi-Speed TMDS data. It features an auto-adaptive equalizer, making it ideal for various multimedia and audio-visual systems. The device supports multiple HDMI and DVI inputs, ensuring compatibility with a wide range of sources and displays.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | 100-LQFP (Lead-Free, 14 × 14 × 1 mm, pitch 0.5 mm) |
| Mounting Type | Surface Mount |
| HDMI Version | HDMI 1.4 |
| Number of Inputs | Four DVI/HDMI inputs |
| Number of Outputs | One DVI/HDMI output |
| Bit Rate | Up to 2.25 Gbit/s |
| DDC-Bus Functionality | Full DDC-bus functionality with level-shifting |
| I2C-Bus | Controllable at bit rates up to 400 kbit/s |
| Power Supplies | 3.3 V and 1.8 V |
| ESD Protection | HBM: class 2, MM: class B, FCDM: class IV, IEC 61000-4-2 class 3 for HDMI inputs |
Key Features
- Auto-adaptive input equalizer for optimal signal quality
- Embedded Extended Display Identification Data (EDID) memory for each input
- Non-volatile memory for switch management, Hot Plug Detect, and Power-down
- Support for sources without +5 V through the AUX_5V pin
- Mute pin to prevent pop noise/image noise
- Compliance with HDMI 1.4 features, including Audio Return Channel
- Programmable slave address for easy cascade approach
- Fail-safe output in Idle mode and high-impedance output when not active
- Additional ESD protection pin for CEC line
Applications
- HDTV (plasma, rear projection TV, and LCD TV)
- YCbCr or RGB Hi-Speed video digitizer
- Projector
- Home theater
- AVR (Audio/Video Receiver)
- Switch box
Q & A
- What is the primary function of the TDA19997HL/C1,518?
The TDA19997HL/C1,518 is a Smart HDMI 1.4 (4:1) switch with auto-adaptive equalizer, designed for high-performance video switching applications.
- How many HDMI inputs and outputs does the TDA19997HL/C1,518 support?
The device supports four DVI/HDMI inputs and one DVI/HDMI output.
- What is the maximum bit rate supported by the TDA19997HL/C1,518?
The device supports bit rates up to 2.25 Gbit/s.
- Does the TDA19997HL/C1,518 support I2C-bus control?
Yes, it supports I2C-bus control at bit rates up to 400 kbit/s.
- What power supplies are required for the TDA19997HL/C1,518?
The device requires 3.3 V and 1.8 V power supplies.
- How does the TDA19997HL/C1,518 handle ESD protection?
The device provides ESD protection with HBM: class 2, MM: class B, FCDM: class IV, and IEC 61000-4-2 class 3 for HDMI inputs.
- What is the purpose of the AUX_5V pin on the TDA19997HL/C1,518?
The AUX_5V pin is used to supply the built-in EDID memory and DDC-bus, enabling access to EDID memory without a +5 V signal from any input sources.
- Does the TDA19997HL/C1,518 support HDMI Audio Return Channel?
Yes, it supports HDMI Audio Return Channel as part of its HDMI 1.4 features.
- What types of applications is the TDA19997HL/C1,518 suitable for?
The device is suitable for HDTV, projectors, home theaters, AVRs, and switch boxes among other multimedia applications.
- How does the TDA19997HL/C1,518 manage EDID data?
The device stores EDID data in its embedded EDID memory for each input, allowing easy loading and management through the I2C-bus.
