Overview
The ADV7125JSTZ330, produced by Analog Devices Inc., is a triple high-speed digital-to-analog converter (DAC) integrated on a single monolithic chip. This device features three high-speed, 8-bit video DACs with complementary outputs, a standard TTL input interface, and a high impedance analog output current source. It is designed to operate with a single +5 V or +3.3 V power supply and clock, making it functional with minimal external components. The ADV7125 also includes additional video control signals such as composite SYNC and BLANK, as well as a power save mode, enhancing its versatility and efficiency.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Number of DACs | 3 | - |
| Resolution | 8-bit | - |
| Maximum Throughput | 330 MSPS (at 3.3 V) | VAA = 3.0 V to 3.6 V |
| Power Supply | +5 V or +3.3 V | - |
| Package Types | 48-lead LQFP, 48-lead LFCSP | - |
| Operating Temperature Range | TMIN to TMAX, TJ MAX = 110°C | - |
| Analog Output Type | High impedance current source | - |
| Load Capability | Directly drives a 37.5 Ω load (e.g., doubly terminated 75 Ω coaxial cable) | - |
Key Features
- Monolithic CMOS construction ensuring greater functionality with lower power dissipation.
- Guaranteed monotonic to eight bits, ensuring accurate and reliable output.
- Compatible with a wide variety of high-resolution color graphics systems, including RS-343A and RS-170.
- Additional video control signals: composite SYNC and BLANK, allowing for synchronization with the pixel data stream.
- Power save mode for reduced power consumption.
- On-board operational amplifier stabilizes the full-scale output current against temperature and power supply variations.
Applications
The ADV7125JSTZ330 is suitable for various high-speed video applications, including:
- High-resolution color graphics systems
- Video display systems requiring RS-343A and RS-170 compatibility
- Professional video equipment
- Medical imaging and diagnostic equipment
- Industrial and consumer electronics requiring high-speed video output
Q & A
- What is the resolution of the DACs in the ADV7125JSTZ330?
The ADV7125JSTZ330 features three 8-bit video DACs.
- What is the maximum throughput of the ADV7125JSTZ330?
The maximum throughput is 330 MSPS at 3.3 V.
- What types of power supplies can the ADV7125JSTZ330 use?
The device can operate with either a +5 V or +3.3 V power supply.
- What are the package options for the ADV7125JSTZ330?
The device is available in 48-lead LQFP and 48-lead LFCSP packages.
- Can the ADV7125JSTZ330 drive a 75 Ω coaxial cable directly?
- Does the ADV7125JSTZ330 have any power-saving features?
- What video control signals does the ADV7125JSTZ330 support?
- Is the ADV7125JSTZ330 compatible with high-resolution color graphics systems?
- What is the operating temperature range of the ADV7125JSTZ330?
- How does the ADV7125JSTZ330 ensure monotonicity and low glitch performance?
