Overview
The AD9895KBCZ, produced by Analog Devices Inc., is a highly integrated CCD (Charge-Coupled Device) signal processor designed primarily for digital still camera and video camera applications. This component combines a complete analog front end with A/D conversion and a full-function programmable timing generator. The AD9895 is specified at pixel rates of up to 30 MHz, making it suitable for high-speed imaging applications. It features a Precision Timing core that allows for high-speed clock adjustments with 700 ps resolution at 30 MHz operation.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Notes |
|---|---|---|---|---|---|
| Resolution | - | - | 12 bits | - | - |
| Sampling Rate | - | - | 30 MS/s | - | - |
| Pixel Rate | - | - | 30 MHz | - | - |
| Operating Temperature Range | -20°C | - | +85°C | - | - |
| Storage Temperature Range | -65°C | - | +150°C | - | - |
| Power Supply Voltage (AVDD1, AVDD2) | 2.7 V | 3.0 V | 3.6 V | - | - |
| Power Supply Voltage (RGVDD, HVDD) | 3.0 V | 5.0 V | 5.25 V | - | - |
| Package Type | - | - | 64-Ball CSPBGA (9mm x 9mm x 1.4mm) | - | - |
Key Features
- Analog Front End: Includes black level clamping, Correlated Double Sampling (CDS), Pixel Gain Amplifier (PxGA), and Variable Gain Amplifier (VGA).
- A/D Converter: 12-bit A/D converter with a sampling rate of up to 30 MS/s.
- Precision Timing Generator: Provides all necessary CCD clocks including RG, H-clocks, V-clocks, sensor gate pulses, substrate clock, and substrate bias control. Allows for high-speed clock adjustments with 700 ps resolution at 30 MHz operation.
- Programmable Operation: Operation is programmed using a 3-wire serial interface.
- On-Chip Drivers: Includes on-chip drivers for external crystal, horizontal and vertical clocks, and sync generator with external sync option.
- Electronic and Mechanical Shutter Modes: Supports both electronic and mechanical shutter modes.
Applications
- Digital Still Cameras: Ideal for high-resolution digital still camera applications requiring precise timing and signal processing.
- Digital Video Camcorders: Suitable for video camcorders where high-speed image capture and processing are necessary.
- Industrial Imaging: Used in various industrial imaging applications that require advanced CCD signal processing).
Q & A
- What is the resolution of the AD9895KBCZ A/D converter?
The AD9895KBCZ has a 12-bit A/D converter).
- What is the maximum pixel rate of the AD9895KBCZ?
The AD9895KBCZ is specified at pixel rates of up to 30 MHz).
- What type of package does the AD9895KBCZ come in?
The AD9895KBCZ is packaged in a 64-Ball CSPBGA (9mm x 9mm x 1.4mm)).
- What is the operating temperature range of the AD9895KBCZ?
The operating temperature range is from -20°C to +85°C).
- Does the AD9895KBCZ support both electronic and mechanical shutter modes?
- How is the operation of the AD9895KBCZ programmed?
- What are the key components of the analog front end in the AD9895KBCZ?
The analog front end includes black level clamping, CDS, PxGA, and VGA).
- Does the AD9895KBCZ have on-chip drivers for external components?
- What are some common applications of the AD9895KBCZ?
- What is the resolution of the Precision Timing core at 30 MHz operation?
