Overview
The ADV7182AWBCPZ from Analog Devices Inc. is a versatile, one-chip, multiformat video decoder designed to automatically detect and convert standard analog baseband video signals into digital video data streams. This device supports worldwide NTSC, PAL, and SECAM standards and can handle composite (CVBS), S-Video (Y/C), and component (YPrPb) video inputs. The ADV7182AWBCPZ features a 10-bit analog-to-digital converter (ADC) and an on-chip differential to single-ended converter, allowing direct connection of differential, pseudo-differential, or single-ended video signals without the need for external amplifier circuitry.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Analog Supply Voltage | AVDD | 1.71 | - | 1.89 | V |
| Digital Supply Voltage | DVDD | 1.71 | - | 1.89 | V |
| Digital I/O Supply Voltage | DVDDIO | 1.62 | - | 3.63 | V |
| Power-Down Current (Digital I/O) | IDVDDIO | - | 73 | - | μA |
| Power-Down Current (Analog) | IPVDD | - | 38 | - | μA |
| Power-Down Current (Digital) | IAVDD | - | 0.15 | - | μA |
| Operating Temperature Range (Automotive) | - | -40 | - | 105 | °C |
| Operating Temperature Range (Industrial) | - | -40 | - | 85 | °C |
| Package Type | - | - | - | 32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP) | - |
Key Features
- Automatically detects and converts standard analog baseband video signals compatible with NTSC, PAL, and SECAM standards into YCbCr 4:2:2 component video data streams.
- Supports composite (CVBS), S-Video (Y/C), and component (YPrPb) video inputs.
- Features a single 10-bit analog-to-digital converter (ADC) and an on-chip differential to single-ended converter.
- Accepts single-ended, pseudo-differential, and fully differential composite video signals.
- Provides external synchronization timing signals (HS, VS, and FIELD).
- Programmable via a two-wire, serial bidirectional port (I²C compatible).
- High common-mode rejection (CMR) values of up to 80 dB without external amplifier circuitry.
- Available in automotive and industrial temperature ranges.
- RoHS compliant and packaged in a space-saving 32-Lead LFCSP.
Applications
- Automotive infotainment and safety systems.
- Consumer electronics such as TVs, set-top boxes, and DVD players.
- Industrial video processing and monitoring systems.
- Portable video devices and mobile video processors.
- MPEG encoders, codecs, and other digital video processing systems.
Q & A
- What types of video signals does the ADV7182AWBCPZ support?
The ADV7182AWBCPZ supports composite (CVBS), S-Video (Y/C), and component (YPrPb) video signals compatible with NTSC, PAL, and SECAM standards.
- What is the resolution of the analog-to-digital conversion in the ADV7182AWBCPZ?
The ADV7182AWBCPZ features a 10-bit analog-to-digital converter (ADC).
- What package type is the ADV7182AWBCPZ available in?
The ADV7182AWBCPZ is available in a 32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP) package.
- What are the operating temperature ranges for the ADV7182AWBCPZ?
The device is available in both automotive (-40°C to +105°C) and industrial (-40°C to +85°C) temperature ranges.
- How is the ADV7182AWBCPZ programmed?
The ADV7182AWBCPZ is programmed via a two-wire, serial bidirectional port (I²C compatible).
- What is the common-mode rejection (CMR) capability of the ADV7182AWBCPZ?
The device can achieve CMR values of up to 80 dB without the need for external amplifier circuitry.
- Is the ADV7182AWBCPZ RoHS compliant?
Yes, the ADV7182AWBCPZ is RoHS compliant.
- What are some typical applications for the ADV7182AWBCPZ?
The device is suitable for automotive infotainment and safety systems, consumer electronics, industrial video processing, and portable video devices.
- How does the ADV7182AWBCPZ handle power-down modes?
The device has low power-down current specifications for digital I/O, analog, and digital supplies, ensuring minimal power consumption in power-down modes.
- Can the ADV7182AWBCPZ be used with differential video signals?
Yes, the ADV7182AWBCPZ can handle true differential, pseudo-differential, and single-ended video signals.
