Overview
The AD9980KSTZ-80, produced by Analog Devices Inc., is a high-performance, 8-bit, 95 MSPS monolithic analog interface. This component is optimized for capturing YPbPr video and RGB graphics signals, making it suitable for various high-definition video and graphics applications. It features a 95 MHz triple ADC with an internal reference, a phase-locked loop (PLL), and programmable gain, offset, and clamp controls. The AD9980 supports all HDTV video modes and graphics resolutions up to XGA (1024 × 768 at 85 Hz) with a full-power analog bandwidth of 200 MHz.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 8 | 8 | 8 | Bits |
| LSB Size | 0.39 | 0.39 | 0.39 | % of Full Scale |
| Conversion Rate (95 MSPS) | - | - | - | MSPS |
| Differential Nonlinearity (95 MSPS) | 0.6 | 0.75 | 1.5 | LSB |
| Integral Nonlinearity (95 MSPS) | ±0.6 | ±0.9 | ±2.25 | LSB |
| Analog Input Voltage Range | 0.5 | - | 1.0 | V p-p |
| Input Bias Current | - | 1 | - | µA |
| Input Capacitance | - | 2 | - | pF |
| VD Supply Voltage | 3.13 | 3.3 | 3.47 | V |
| VDD Supply Voltage | 1.7 | 3.3 | 3.47 | V |
| PVD Supply Voltage | 1.7 | 1.8 | 1.9 | V |
| DAVDD Supply Voltage | 1.7 | 1.8 | 1.9 | V |
| Total Power Dissipation | - | - | 1070 | mW |
| Analog Bandwidth | - | 200 | - | MHz |
Key Features
- 8-bit, 95 MSPS triple ADC with internal reference
- Phase-locked loop (PLL) generating sample clock from tri-level sync or horizontal sync
- Programmable gain, offset, and clamp controls
- Supports all HDTV video modes and graphics resolutions up to XGA (1024 × 768 at 85 Hz)
- Full-power analog bandwidth of 200 MHz
- Auto-offset feature for automatic signal reference level restoration and offset calibration
- Full sync processing for composite sync and sync-on-green applications
- Internal Coast generation to maintain PLL output frequency in absence of sync input
- 32-step sampling clock phase adjustment
- Three-state CMOS outputs powered from 1.8 V to 3.3 V
Applications
- Capturing YPbPr video signals
- Capturing RGB graphics signals
- HDTV video modes
- Graphics resolutions up to XGA (1024 × 768 at 85 Hz)
- High-definition video and graphics systems
- Display interfaces for various multimedia devices
Q & A
- What is the resolution and conversion rate of the AD9980?
The AD9980 has an 8-bit resolution and a conversion rate of up to 95 MSPS.
- What types of video and graphics signals does the AD9980 support?
The AD9980 supports YPbPr video and RGB graphics signals.
- What is the full-power analog bandwidth of the AD9980?
The full-power analog bandwidth is 200 MHz.
- What power supplies are required for the AD9980?
The AD9980 requires 3.3 V and 1.8 V power supplies.
- What is the operating temperature range of the AD9980?
The operating temperature range is from 0°C to +70°C.
- Does the AD9980 have internal PLL and sync processing capabilities?
Yes, the AD9980 includes an on-chip PLL and full sync processing capabilities.
- What is the package type of the AD9980?
The AD9980 is provided in an 80-pin, Pb-free, LQFP surface mount plastic package.
- Can the AD9980 maintain its output frequency in the absence of sync input?
Yes, the AD9980 has internal Coast generation to maintain its output frequency in the absence of sync input.
- Does the AD9980 support auto-offset and clamp features?
Yes, the AD9980 features an auto-offset capability and internal or external clamp signal generation.
- What is the typical power dissipation of the AD9980?
The total power dissipation is typically up to 1070 mW.
