Overview
The AD9984AKSTZ-170, produced by Analog Devices Inc., is a high-performance, 10-bit, 170 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 170 MHz triple ADC with an internal reference, a PLL, and programmable gain, offset, and clamp control. The device supports all HDTV video modes up to 1080p and graphics resolutions up to UXGA (1600 × 1200 at 60 Hz).
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 10 | 10 | 10 | Bits |
| LSB Size | 0.098 | 0.098 | 0.098 | % of full scale (FS) |
| Differential Nonlinearity (25°C) | ±0.6 | ±1.8/−1.0 | ±1.9/−1.0 | LSB |
| Integral Nonlinearity (25°C) | ±2.35 | ±7.0 | ±8.5 | LSB |
| Analog Input Voltage Range | 0.5 | 1.0 | V p-p | |
| Gain Tempco (25°C) | 125 | ppm/°C | ||
| Input Bias Current (25°C) | 1 | μA | ||
| Output Voltage, High (VOH) | VDD − 0.1 | V | ||
| Output Voltage, Low (VOL) | 0.1 | V | ||
| Supply Voltage (VDD) | 1.7 | 1.8 | 1.9 | V |
| Supply Current (IDD) at 25°C | 31 | 34 | mA |
Key Features
- 10-bit, 170 MSPS analog-to-digital converters
- Low PLL clock jitter at 170 MSPS
- Automatic gain matching and offset adjustment
- 2:1 input multiplexer
- Power-down via dedicated pin or serial register
- Support for 4:4:4, 4:2:2, and DDR output format modes
- Variable output drive strength
- Three-state CMOS outputs can be powered from 1.8 V to 3.3 V
- On-chip PLL generates sample clock from tri-level sync (for YPbPr video) or horizontal sync (for RGB graphics)
Applications
The AD9984AKSTZ-170 is designed for various high-definition video and graphics applications, including:
- HDTV video modes up to 1080p
- Graphics resolutions up to UXGA (1600 × 1200 at 60 Hz)
- Capturing YPbPr video and RGB graphics signals
- Professional video equipment and broadcast systems
- High-end consumer electronics such as TVs and monitors
Q & A
- What is the resolution and conversion rate of the AD9984AKSTZ-170?
The AD9984AKSTZ-170 has a 10-bit resolution and a maximum conversion rate of 170 MSPS. - What types of video and graphics signals does the AD9984AKSTZ-170 support?
The device supports YPbPr video and RGB graphics signals. - What is the full power analog bandwidth of the AD9984AKSTZ-170?
The full power analog bandwidth is 300 MHz. - How does the AD9984AKSTZ-170 generate its sample clock?
The on-chip PLL generates the sample clock from the tri-level sync (for YPbPr video) or the horizontal sync (for RGB graphics). - What are the supported output format modes?
The device supports 4:4:4, 4:2:2, and DDR output format modes. - Can the output drive strength be adjusted?
Yes, the output drive strength is variable. - What is the operating temperature range of the AD9984AKSTZ-170?
The operating temperature range is from 0°C to 70°C. - How is power-down achieved in the AD9984AKSTZ-170?
Power-down can be achieved via a dedicated pin or through the serial register. - What are the supply voltage requirements for the AD9984AKSTZ-170?
The device requires a 1.8 V power supply, and the CMOS outputs can be powered from 1.8 V to 3.3 V. - What are some typical applications of the AD9984AKSTZ-170?
Typical applications include HDTV video modes up to 1080p, graphics resolutions up to UXGA, professional video equipment, and high-end consumer electronics.
