Overview
The ADV7125WBCPZ170-RL, produced by Analog Devices Inc., is a high-speed, triple 8-bit digital-to-analog converter (DAC) integrated on a single monolithic chip. This device is designed for high-speed video applications and features three separate 8-bit-wide input ports, each corresponding to red, green, and blue (RGB) color channels. The ADV7125 operates with a single +5 V or +3.3 V power supply and includes a standard TTL input interface and high impedance analog output current sources. It also supports additional video control signals such as composite SYNC and BLANK, along with a power save mode. The device is fabricated in a 5 V CMOS process, ensuring lower power dissipation and greater functionality.
Key Specifications
| Parameter | Description |
|---|---|
| Resolution | 8-bit per channel (RGB) |
| Throughput | Up to 330 MSPS (at 3.3 V) |
| Power Supply | +5 V or +3.3 V |
| Input Interface | Standard TTL |
| Output Type | Analog current source with complementary outputs |
| Package Options | 48-lead LQFP and 48-lead LFCSP |
| Operating Temperature | -40°C to 85°C (TJ MAX = 110°C) |
| Video Standards Compatibility | RS-343A, RS-170, and other high-resolution color graphics systems |
Key Features
- High-speed operation with up to 330 MSPS throughput at 3.3 V.
- Guaranteed monotonic to eight bits, ensuring accurate and reliable performance.
- Support for composite SYNC and BLANK video control signals, allowing for synchronization with the pixel data stream.
- Power save mode to reduce power consumption during idle periods.
- Compatibility with a wide variety of high-resolution color graphics systems, including RS-343A and RS-170.
- Monolithic CMOS construction for lower power dissipation and greater functionality.
Applications
- High-resolution color graphics systems.
- Video applications requiring RS-343A and RS-170 compatibility.
- Composite video and gray scale (monochrome) applications.
- Any application needing high-speed, accurate digital-to-analog conversion for RGB video signals.
Q & A
- What is the resolution of the ADV7125WBCPZ170-RL DAC?
The ADV7125WBCPZ170-RL has a resolution of 8 bits per channel (RGB).
- What is the maximum throughput of the ADV7125WBCPZ170-RL?
The maximum throughput is up to 330 MSPS at 3.3 V.
- What are the power supply options for the ADV7125WBCPZ170-RL?
The device can operate with either a +5 V or +3.3 V power supply.
- What type of input interface does the ADV7125WBCPZ170-RL use?
The device uses a standard TTL input interface.
- What are the package options available for the ADV7125WBCPZ170-RL?
The device is available in 48-lead LQFP and 48-lead LFCSP packages.
- Is the ADV7125WBCPZ170-RL compatible with high-resolution color graphics systems?
Yes, it is compatible with systems such as RS-343A and RS-170.
- Does the ADV7125WBCPZ170-RL support power saving features?
Yes, it includes a power save mode to reduce power consumption during idle periods.
- How does the ADV7125WBCPZ170-RL handle video synchronization signals?
The device supports composite SYNC and BLANK video control signals, which are latched to the analog video outputs to maintain synchronization with the pixel data stream.
- Can the ADV7125WBCPZ170-RL be used for gray scale (monochrome) applications?
Yes, any one of the three channels (red, green, or blue) can be used for gray scale or composite video applications.
- What is the operating temperature range of the ADV7125WBCPZ170-RL?
The operating temperature range is -40°C to 85°C, with a maximum junction temperature (TJ MAX) of 110°C.
