Overview
The TVP5151PBS is an ultralow-power NTSC/PAL/SECAM video decoder manufactured by Texas Instruments. This device is designed to convert NTSC, PAL, and SECAM video signals into digital YCbCr 4:2:2 component video. It is available in a space-saving 32-terminal TQFP package, making it ideal for applications where power efficiency and compact design are crucial. The TVP5151PBS features advanced video processing capabilities, including support for ITU-R BT.601 standard sampling and a high-speed 9-bit analog-to-digital converter (ADC). It also includes various control options through an I2C serial interface, allowing for adjustments in brightness, saturation, hue, and sharpness.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 32-Terminal TQFP |
| Supported Video Standards | NTSC (J, M, 4.43), PAL (B, D, G, H, I, M, N, Nc), SECAM (B, D, G, K, K1, L) |
| Analog-to-Digital Converter (ADC) | 9-Bit, 2× Sampling |
| Input Types | Two Composite Inputs or One S-Video Input |
| Power Consumption | 138 mW (typical), <1 mW (power-down mode) |
| Crystal Frequency | 27.000 MHz |
| Digital I/O Supply Voltage Range | 1.8 V to 3.3 V |
| Output Formats | 8-Bit 4:2:2, ITU-R BT.656 with Embedded Syncs, Discrete Syncs |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Supports ITU-R BT.601 standard sampling
- High-speed 9-bit analog-to-digital converter (ADC) with 2× sampling
- Two composite inputs or one S-video input
- Fully differential CMOS analog preprocessing channels with clamping and automatic gain control (AGC)
- Ultralow power consumption with power-down mode <1 mW
- Brightness, saturation, hue, and sharpness control through I2C serial interface
- Complementary four-line adaptive comb filters for noise reduction
- Patented architecture for locking to weak, noisy, or unstable signals
- Single 27.000-MHz crystal for all supported standards
- Internal phase-locked loop (PLL) for line-locked clock and sampling
- Subcarrier Genlock output for synchronizing external encoders
- Macrovision™ copy protection detection
- Advanced programmable video output formats including 2× oversampled raw vertical blanking interval (VBI)
Applications
The TVP5151PBS is suitable for a variety of applications where low power consumption and compact design are essential. These include:
- Portable video devices such as handheld video recorders and cameras
- Set-top boxes and digital video recorders (DVRs)
- Security and surveillance systems
- Automotive infotainment systems
- Medical imaging devices
Q & A
- What are the supported video standards for the TVP5151PBS?
The TVP5151PBS supports NTSC (J, M, 4.43), PAL (B, D, G, H, I, M, N, Nc), and SECAM (B, D, G, K, K1, L) video standards. - What is the power consumption of the TVP5151PBS?
The TVP5151PBS consumes 138 mW under typical operating conditions and less than 1 mW in power-down mode. - What types of input does the TVP5151PBS support?
The TVP5151PBS supports two composite inputs or one S-video input. - What is the output format of the TVP5151PBS?
The output formats include 8-bit 4:2:2, ITU-R BT.656 with embedded syncs, and discrete syncs. - How is the TVP5151PBS programmed?
The TVP5151PBS can be programmed using an I2C serial interface. - What is the operating temperature range of the TVP5151PBS?
The operating temperature range is -40°C to 85°C. - Does the TVP5151PBS support copy protection detection?
Yes, the TVP5151PBS detects copy-protected input signals according to the Macrovision™ standard. - What is the purpose of the Genlock output in the TVP5151PBS?
The Genlock output is used for synchronizing the color subcarrier of external encoders. - How does the TVP5151PBS handle weak or noisy signals?
The TVP5151PBS uses a patented architecture to lock to weak, noisy, or unstable signals. - What is the function of the adaptive comb filters in the TVP5151PBS?
The adaptive comb filters reduce cross-luminance and cross-chrominance noise.
