Overview
The ADV7127KR50-REEL is a high-speed, 10-bit video Digital-to-Analog Converter (DAC) produced by Analog Devices Inc. This component is integrated on a single monolithic chip and features an on-board voltage reference, complementary outputs, and a standard TTL input interface. It is designed for high-speed video applications and operates on a single 5 V or 3.3 V power supply. The ADV7127 is fabricated using a complementary metal-oxide semiconductor (CMOS) process, ensuring low power dissipation and high functionality.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10-bit |
| Maximum Clock Frequency | 240 MHz |
| Power Supply | 5 V or 3.3 V |
| Package Type | 24-lead TSSOP |
| Temperature Range | −40°C to +85°C (industrial), 0°C to 70°C (at 240 MHz) |
| Power Consumption (Typical) | 22-25 mA (analog), 4-6 mA (digital), 2.6-3 mA (standby), 20 μA (power-down) |
| Analog Output | High impedance current source, capable of driving a doubly terminated 75 Ω coaxial cable |
| Voltage Reference | On-board voltage reference circuit |
Key Features
- High-speed operation with a maximum clock frequency of 240 MHz
- 10-bit resolution with a segmented architecture ensuring monotonicity and low glitch
- On-board voltage reference circuit and high impedance analog output current sources
- Complementary outputs and standard TTL input interface
- Low power dissipation with standby and power-down modes
- Industrial temperature range (−40°C to +85°C)
- Available in a 24-lead TSSOP package
Applications
- Digital video systems (e.g., 1600 × 1200 at 100 Hz)
- High resolution color graphics
- Digital radio modulation
- Image processing
- Instrumentation
- Video signal reconstruction
- Direct digital synthesis (DDS)
- Wireless local area networks (LANs)
Q & A
- What is the resolution of the ADV7127KR50-REEL DAC? The ADV7127KR50-REEL has a 10-bit resolution.
- What is the maximum clock frequency of the ADV7127KR50-REEL? The maximum clock frequency is 240 MHz.
- What are the power supply options for the ADV7127KR50-REEL? It can operate on either a 5 V or 3.3 V power supply.
- What type of package does the ADV7127KR50-REEL come in? It comes in a 24-lead TSSOP package.
- What is the temperature range for the ADV7127KR50-REEL? The industrial temperature range is −40°C to +85°C, and 0°C to 70°C at 240 MHz.
- How does the ADV7127KR50-REEL manage power consumption? It has low power dissipation with standby and power-down modes.
- What kind of analog output does the ADV7127KR50-REEL provide? It provides a high impedance current source capable of directly driving a doubly terminated 75 Ω coaxial cable.
- Does the ADV7127KR50-REEL have an on-board voltage reference? Yes, it has an on-board voltage reference circuit.
- What are some common applications of the ADV7127KR50-REEL? Common applications include digital video systems, high resolution color graphics, digital radio modulation, image processing, instrumentation, video signal reconstruction, and wireless local area networks.
- How does the ADV7127KR50-REEL ensure monotonicity and low glitch? It uses an advanced, high-speed, segmented architecture with identical current sources in a monolithic design.
