Overview
The TDA19997HL/C1,551, produced by NXP USA Inc., is a sophisticated integrated circuit designed for high-speed video switching applications. This component is a Smart HDMI 1.4 (4:1) switch with an auto-adaptive equalizer, making it ideal for managing multiple HDMI and DVI inputs in various multimedia devices. It supports up to four HDMI 1.4 compliant DVI/HDMI inputs and one DVI/HDMI output, ensuring seamless video transmission and switching between different sources.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package Type | LQFP100 | 14 × 14 × 1 mm, pitch 0.5 mm |
| Number of Inputs | HDMI/DVI Inputs | 4 |
| Number of Outputs | HDMI/DVI Output | 1 |
| Bit Rate | Maximum Bit Rate per Input | Up to 2.25 Gbit/s |
| Power Supplies | Voltage Levels | 3.3 V and 1.8 V |
| EDID Memory | Embedded Extended Display Identification Data | 253-byte shared and 3-byte dedicated EDID memory per HDMI input |
| DDC-Bus Functionality | Level-Shifting and Full DDC-Bus Support | Yes |
| I2C-Bus | Control and Communication | Up to 400 kbit/s |
| ESD Protection | HBM, MM, FCDM, and IEC 61000-4-2 Compliance | Class 2, Class B, Class IV, and Class 3 respectively |
Key Features
- Auto-Adaptive Equalizer: Ensures high-quality video transmission by automatically adjusting the signal equalization.
- Embedded EDID Memory: Each HDMI input has its own dedicated EDID memory, facilitating easy loading and management of display settings.
- DDC-Bus Level-Shifting Buffer: Provides full DDC-bus functionality, including level-shifting, to prevent bus corruption.
- I2C-Bus Control: Supports bit rates up to 400 kbit/s for controlling and configuring the device.
- Power-Down Mode: Features a dedicated pin for power-down mode, reducing power consumption when not in use.
- Fail-Safe Output in Idle Mode: Ensures stable output even when no input signal is detected.
- Mute Pin: Prevents pop noise and image noise during switching.
- ATC/Rx and ATC/Tx Compliance: Compliant with 36-bit Deep Color 1080p 60 Hz formats.
- AUX_5V Pin: Allows operation with HDMI sources without a +5 V signal, ensuring access to EDID memory and DDC-bus functionality.
Applications
- HDTV: Suitable for plasma, rear projection, and LCD TVs.
- Projectors: Ideal for high-resolution video projection.
- Home Theater Systems: Enhances video switching capabilities in home theater setups.
- AVR (Audio/Video Receivers): Supports advanced video switching and EDID management.
- Switch Boxes: Used in various switch box applications requiring multiple HDMI/DVI inputs.
Q & A
- What is the TDA19997HL/C1,551 used for?
The TDA19997HL/C1,551 is used as a Smart HDMI 1.4 (4:1) switch with an auto-adaptive equalizer, managing multiple HDMI and DVI inputs in multimedia devices.
- How many HDMI inputs does the TDA19997HL/C1,551 support?
The TDA19997HL/C1,551 supports four HDMI 1.4 compliant DVI/HDMI inputs.
- What is the maximum bit rate per input for the TDA19997HL/C1,551?
The maximum bit rate per input is up to 2.25 Gbit/s.
- Does the TDA19997HL/C1,551 support I2C-bus communication?
Yes, it supports I2C-bus communication up to 400 kbit/s.
- What type of ESD protection does the TDA19997HL/C1,551 offer?
The TDA19997HL/C1,551 offers ESD protection compliant with HBM (Class 2), MM (Class B), FCDM (Class IV), and IEC 61000-4-2 (Class 3).
- Can the TDA19997HL/C1,551 operate with HDMI sources without a +5 V signal?
Yes, it can operate with HDMI sources without a +5 V signal using the AUX_5V pin.
- What is the purpose of the AUX_5V pin on the TDA19997HL/C1,551?
The AUX_5V pin ensures access to EDID memory and DDC-bus functionality even when no +5 V signal is available from the input sources.
- Is the TDA19997HL/C1,551 compliant with 36-bit Deep Color formats?
Yes, it is compliant with 36-bit Deep Color 1080p 60 Hz formats.
- What package type does the TDA19997HL/C1,551 come in?
The TDA19997HL/C1,551 comes in a LQFP100 package, measuring 14 × 14 × 1 mm with a pitch of 0.5 mm.
- Does the TDA19997HL/C1,551 have a power-down mode?
Yes, it features a dedicated pin for power-down mode to reduce power consumption when not in use.
