Overview
The AD9943KCPZRL is a complete analog signal processor designed by Analog Devices Inc. for CCD (Charge-Coupled Device) applications. This component is part of the AD9943 series, which features a 25 MHz single-channel architecture. It is optimized to sample and condition the outputs of interlaced and progressive scan area CCD arrays. The AD9943KCPZRL integrates several key functions, including a correlated double sampler (CDS), a digitally controlled variable gain amplifier (VGA), a black level clamp, and a 10-bit analog-to-digital converter (ADC). This integration makes it an ideal solution for various imaging applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| Sampling Rate | 25 | MHz | |||
| ADC Resolution | 10-bit | ||||
| VGA Gain Range | 6 | 40 | dB | ||
| Power Supply Voltage | 2.7 | 3.6 | V | Analog, Digital, Digital Driver | |
| Power Consumption (Normal Operation) | 79 | mW | |||
| Power Consumption (Power-Down Mode) | 150 | µW | |||
| Operating Temperature Range | -65 | 85 | °C | Storage | |
| Package Type | 32-lead LFCSP (5mm x 5mm) |
Key Features
- 25 MHz single-channel architecture for sampling and conditioning CCD outputs
- Correlated double sampler (CDS) for noise reduction
- Digitally controlled variable gain amplifier (VGA) with a gain range of 6 dB to 40 dB
- Low noise optical black clamp circuit
- 10-bit analog-to-digital converter (ADC) with no missing codes guaranteed
- 3-wire serial digital interface for register control
- Single 3 V power supply operation
- Space-saving 32-lead LFCSP package (5mm x 5mm)
Applications
- Digital still cameras
- Digital video camcorders
- PC cameras
- Portable CCD imaging devices
- CCTV cameras
Q & A
- What is the sampling rate of the AD9943KCPZRL?
The AD9943KCPZRL has a sampling rate of 25 MHz.
- What is the resolution of the ADC in the AD9943KCPZRL?
The ADC resolution is 10-bit.
- What is the gain range of the VGA in the AD9943KCPZRL?
The VGA gain range is from 6 dB to 40 dB.
- What type of package does the AD9943KCPZRL use?
The AD9943KCPZRL is packaged in a 32-lead LFCSP (5mm x 5mm).
- What is the power supply voltage range for the AD9943KCPZRL?
The power supply voltage range is from 2.7 V to 3.6 V.
- What are the typical power consumption values for the AD9943KCPZRL?
The typical power consumption is 79 mW in normal operation and 150 µW in power-down mode.
- What is the operating temperature range for the AD9943KCPZRL?
The operating temperature range is from -65°C to 85°C for storage.
- What interface is used for programming the internal registers of the AD9943KCPZRL?
A 3-wire serial digital interface is used for programming the internal registers.
- What are some common applications of the AD9943KCPZRL?
Common applications include digital still cameras, digital video camcorders, PC cameras, portable CCD imaging devices, and CCTV cameras.
- Does the AD9943KCPZRL have any noise reduction features?
Yes, it includes a correlated double sampler (CDS) for noise reduction.
