Overview
The AD9882KST-140, produced by Analog Devices Inc., is a comprehensive, 8-bit, 140 MSPS monolithic analog interface designed to capture RGB graphics signals from personal computers and workstations. This integrated circuit combines an analog interface with a digital visual interface (DVI) receiver, making it an ideal solution for high-resolution display applications. It also supports high bandwidth digital content protection (HDCP), ensuring secure transmission of digital content.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VD) | Full IV | 3.15 | 3.3 | 3.45 | V |
| Supply Voltage (VDD) | Full IV | 2.2 | 3.3 | 3.45 | V |
| Supply Current (VD) at 25°C | V | 162 | 181 | - | mA |
| Supply Current (VDD) at 25°C | V | 47 | 63 | - | mA |
| Analog Bandwidth, Full Power at 25°C | V | 300 | - | - | MHz |
| Signal-to-Noise Ratio (SNR) at 25°C, fIN = 2.3 MHz | V | 44 | - | - | dB |
| Crosstalk | Full V | -55 | - | - | dBc |
| High Level Input Voltage (VIH) | Full VI | - | - | 2.6 | V |
| Low Level Input Voltage (VIL) | Full VI | 0.8 | - | - | V |
| High Level Output Voltage (VOH) | Full IV | - | - | 2.4 | V |
| Low Level Output Voltage (VOL) | Full IV | 0.4 | - | - | V |
| Package / Case | - | - | - | - | 100-LQFP (14x14) |
Key Features
- Analog Interface: Complete 8-bit, 140 MSPS monolithic analog interface for capturing RGB graphics signals.
- Digital Visual Interface (DVI): Integrated DVI receiver for high-resolution display applications.
- High Bandwidth Digital Content Protection (HDCP): Supports HDCP for secure digital content transmission.
- Programmable Gain, Offset, and Clamp Control: Allows for flexible signal processing.
- Phase-Locked Loop (PLL): Generates a pixel clock from Hsync, with output frequencies ranging from 12 MHz to 140 MHz.
- Three-State CMOS Outputs: Can be powered from 2.2 V to 3.3 V.
- High Analog Bandwidth: Full power analog bandwidth of 300 MHz supports resolutions up to SXGA (1280 × 1024 at 75 Hz).
Applications
- Flat Panel Displays: Ideal for capturing and processing RGB graphics signals in flat panel displays.
- Personal Computers and Workstations: Optimized for high-resolution graphics applications.
- Digital Displays: Suitable for DVI and other digital display interfaces requiring high bandwidth and secure content protection.
Q & A
- What is the primary function of the AD9882KST-140?
The AD9882KST-140 is a monolithic analog interface designed to capture RGB graphics signals from personal computers and workstations, and it also includes a digital visual interface (DVI) receiver.
- What is the maximum encode rate of the AD9882KST-140?
The maximum encode rate is 140 MSPS.
- What is the full power analog bandwidth of the AD9882KST-140?
The full power analog bandwidth is 300 MHz.
- Does the AD9882KST-140 support HDCP?
Yes, it supports high bandwidth digital content protection (HDCP).
- What is the package type of the AD9882KST-140?
The package type is 100-LQFP (14x14).
- What are the supply voltage ranges for VD and VDD?
The supply voltage ranges are 3.15V to 3.45V for VD and 2.2V to 3.45V for VDD.
- What is the signal-to-noise ratio (SNR) of the AD9882KST-140 at 25°C?
The SNR is 44 dB at fIN = 2.3 MHz.
- What are the typical supply currents for VD and VDD at 25°C?
The typical supply currents are 181 mA for VD and 63 mA for VDD.
- What is the operating temperature range of the AD9882KST-140?
The operating temperature range is –25°C to +85°C.
- What is the maximum junction temperature of the AD9882KST-140?
The maximum junction temperature is 150°C.
