Overview
The ADV7125WBSTZ170, produced by Analog Devices Inc., is a high-speed, triple digital-to-analog converter (DAC) integrated into a single monolithic chip. This device features three 8-bit video DACs with complementary outputs, a standard TTL input interface, and high impedance analog output current sources. It is designed to operate with a single +5 V or +3.3 V power supply and clock, making it highly efficient and functional. The ADV7125 also includes additional video control signals such as composite SYNC and BLANK, as well as a power save mode, enhancing its versatility in various video applications.
Key Specifications
| Parameter | Description |
|---|---|
| Number of DACs | Three 8-bit video DACs |
| Throughput | Up to 330 MSPS (at 3.3 V) |
| Power Supply | Single +5 V or +3.3 V |
| Input Interface | Standard TTL |
| Analog Outputs | High impedance current sources for RGB video signals |
| Load Capability | Directly drives a 37.5 Ω load, such as a doubly terminated 75 Ω coaxial cable |
| Package Options | 48-lead LQFP and 48-lead LFCSP |
| Operating Temperature | TJ MAX = 110°C |
Key Features
- Guaranteed monotonic to eight bits, ensuring accurate and reliable output.
- Compatible with high-resolution color graphics systems, including RS-343A and RS-170.
- Additional video control signals: composite SYNC and BLANK, allowing for video synchronization signal encoding onto the RGB video output.
- Power save mode for reduced power consumption.
- Monolithic CMOS construction for greater functionality with lower power dissipation.
Applications
- High-resolution color graphics systems
- Video applications requiring RS-343A and RS-170 compatibility
- Standalone, gray scale (monochrome), or composite video applications
- Any one of the three channels (red, green, or blue) can be used for video information.
Q & A
- What is the ADV7125WBSTZ170?
The ADV7125WBSTZ170 is a triple high-speed digital-to-analog converter (DAC) on a single monolithic chip, produced by Analog Devices Inc..
- How many DACs does the ADV7125WBSTZ170 have?
The device features three 8-bit video DACs.
- What is the maximum throughput of the ADV7125WBSTZ170?
The maximum throughput is up to 330 MSPS at 3.3 V.
- What power supply options are available for the ADV7125WBSTZ170?
The device can operate with a single +5 V or +3.3 V power supply.
- What type of input interface does the ADV7125WBSTZ170 have?
The device has a standard TTL input interface.
- What are the analog output characteristics of the ADV7125WBSTZ170?
The device has high impedance current sources for RGB video signals, capable of directly driving a 37.5 Ω load.
- In what packages is the ADV7125WBSTZ170 available?
The device is available in 48-lead LQFP and 48-lead LFCSP packages.
- What is the maximum operating temperature of the ADV7125WBSTZ170?
The maximum operating temperature (TJ MAX) is 110°C.
- Can the ADV7125WBSTZ170 be used for gray scale or composite video applications?
Yes, the device can be used for standalone, gray scale (monochrome), or composite video applications.
- How do the SYNC and BLANK signals function in the ADV7125WBSTZ170?
The SYNC and BLANK signals are latched to the analog video outputs, allowing for the encoding of video synchronization signals onto the RGB video output.
