Overview
The AD9923ABBCZ is a comprehensive CCD (Charge-Coupled Device) signal processor designed by Analog Devices Inc. This integrated circuit is specifically tailored for use in digital still cameras and other CCD imaging applications. It integrates a 12-bit analog-to-digital converter (ADC), a variable gain amplifier (VGA), and a precision timing generator, making it a complete front-end solution for CCD imaging systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution (ADC) | 12 Bits | |
| Sampling Rate (ADC) | 36 MHz | |
| VGA Gain Range | 6 dB to 42 dB | |
| Black Level Clamp Resolution | 1024 Steps | |
| Operating Supply Voltage | 2.7 V to 3.6 V | V |
| Package Type | 105-LFBGA, CSPBGA | |
| Number of Pins | 105 | |
| Operating Temperature Range | -25°C to +85°C | °C |
Key Features
- Integrated 15-channel V-driver for up to 15 channels, supporting 5-field, 10-phase CCDs.
- 12-bit, 36 MHz analog-to-digital converter (ADC).
- Variable gain amplifier (VGA) with a gain range of 6 dB to 42 dB.
- Black level clamp with variable level control.
- On-chip 3 V horizontal and RG drivers.
- Support for 2-phase and 4-phase H-clock modes.
- Electronic and mechanical shutter support.
- On-chip driver for external crystal and on-chip sync generator with external sync input.
- Precision Timing™ core allowing adjustment of high-speed clocks with approximately 600 ps resolution at 36 MHz operation.
Applications
The AD9923ABBCZ is primarily used in digital still cameras and other CCD imaging applications. Its comprehensive set of features makes it an ideal choice for any system requiring precise timing and signal processing for CCD sensors.
Q & A
- What is the primary function of the AD9923ABBCZ?
The AD9923ABBCZ is a CCD signal processor that integrates an analog front end (AFE), a fully programmable timing generator, and a 15-channel vertical driver. - What is the resolution and sampling rate of the ADC in the AD9923ABBCZ?
The ADC has a resolution of 12 bits and a sampling rate of 36 MHz. - What is the gain range of the VGA in the AD9923ABBCZ?
The VGA has a gain range of 6 dB to 42 dB. - What type of package does the AD9923ABBCZ come in?
The AD9923ABBCZ is packaged in a 105-LFBGA or CSPBGA. - How many pins does the AD9923ABBCZ have?
The AD9923ABBCZ has 105 pins. - What is the operating supply voltage range for the AD9923ABBCZ?
The operating supply voltage range is from 2.7 V to 3.6 V. - What is the operating temperature range for the AD9923ABBCZ?
The operating temperature range is from -25°C to +85°C. - Does the AD9923ABBCZ support external synchronization?
Yes, the AD9923ABBCZ supports external synchronization through a sync pulse from the microprocessor. - How is the timing generator programmed in the AD9923ABBCZ?
The timing generator is programmed using a 3-wire serial interface. - What types of shutters does the AD9923ABBCZ support?
The AD9923ABBCZ supports both electronic and mechanical shutters.
