Overview
The AD9943KCPZ, produced by Analog Devices Inc., is a complete analog signal processor designed specifically for Charge-Coupled Device (CCD) applications. This integrated circuit features a 25 MHz single-channel architecture, making it suitable for sampling and conditioning the outputs of both interlaced and progressive scan area CCD arrays. The AD9943KCPZ is part of the AD9943/AD9944 family, with the AD9943 model offering 10-bit analog-to-digital converter (ADC) resolution. It is optimized for use in various imaging devices, providing a comprehensive signal chain that includes a correlated double sampler (CDS), a digitally controlled variable gain amplifier (VGA), and a black level clamp.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| 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 | - |
| Maximum Clock Rate | - | - | 25 | MHz | - |
| ADC Resolution | - | - | 10-bit | - | - |
| Logic Input High Level Voltage | 2.1 | - | - | V | - |
| Logic Input Low Level Voltage | - | - | 0.6 | V | - |
| Logic Output High Level Voltage (IOH = 2 mA) | - | - | 2.2 | V | - |
| Logic Output Low Level Voltage (IOL = 2 mA) | - | - | 0.5 | V | - |
| Package Type | - | - | 32-lead 5 mm × 5 mm LFCSP | - | - |
Key Features
- 25 MHz correlated double sampler (CDS)
- 6 dB to 40 dB 10-bit variable gain amplifier (VGA)
- Low noise optical black clamp circuit
- Preblanking function
- 10-bit ADC resolution with no missing codes guaranteed
- 3-wire serial digital interface for register control
- 3 V single-supply operation
- Space-saving 32-lead 5 mm × 5 mm LFCSP package
Applications
- Digital still cameras
- Digital video camcorders
- PC cameras
- Portable CCD imaging devices
- CCTV cameras
Q & A
- What is the primary function of the AD9943KCPZ?
The AD9943KCPZ is a complete analog signal processor designed to sample and condition the outputs of CCD arrays.
- What is the maximum clock rate of the AD9943KCPZ?
The maximum clock rate is 25 MHz.
- What is the ADC resolution of the AD9943KCPZ?
The ADC resolution is 10-bit.
- What type of package does the AD9943KCPZ come in?
The AD9943KCPZ comes in a 32-lead 5 mm × 5 mm LFCSP package.
- What is the power consumption in normal operation?
The power consumption in normal operation is 79 mW.
- What is the power consumption in power-down mode?
The power consumption in power-down mode is 150 µW.
- What are the key components of the signal chain in the AD9943KCPZ?
The signal chain includes a correlated double sampler (CDS), a digitally controlled variable gain amplifier (VGA), and a black level clamp.
- How is the AD9943KCPZ controlled?
The AD9943KCPZ is controlled through a 3-wire serial digital interface.
- What are some common applications of the AD9943KCPZ?
Common applications include digital still cameras, digital video camcorders, PC cameras, portable CCD imaging devices, and CCTV cameras.
- What is the operating voltage range of the AD9943KCPZ?
The operating voltage range is from 2.7 V to 3.6 V.
