Overview
The AD9949KCPZRL is a highly integrated 12-bit CCD (Charge-Coupled Device) signal processor designed by Analog Devices Inc. for digital still camera applications. This component is specified to handle pixel rates up to 36 MHz and features a complete analog front end with A/D conversion, combined with a programmable timing driver. The Precision Timing core allows for high-speed clock adjustments with a resolution of less than 600 ps. The device is packaged in a 40-lead LFCSP (Lead Frame Chip Scale Package) and operates over an operating temperature range of −20°C to +85°C.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Operating Temperature Range | −20 | +85 | °C | |
| Storage Temperature Range | −65 | +150 | °C | |
| Maximum Clock Rate | 36 | MHz | ||
| Power Supply Voltage (AVDD, TCVDD, HVDD, RGVDD, DRVDD, DVDD) | 2.7 | 3.0 | 3.6 | V |
| Power Dissipation (36 MHz, HVDD = RGVDD = 3 V, 100 pF H1 to H4 Loading) | 320 | mW | ||
| Total Shutdown Mode Power Dissipation | 1 | mW | ||
| CDS Gain | 0 | dB | ||
| PxGA Gain Range | 0 | 18 | dB | |
| VGA Gain Range | 6 | 42 | dB | |
| ADC Resolution and Speed | 12-bit, 36 MSPS |
Key Features
- Correlated Double Sampler (CDS)
- 0 dB to 18 dB Pixel Gain Amplifier (PxGA®)
- 6 dB to 42 dB 10-bit Variable Gain Amplifier (VGA)
- 12-bit, 36 MSPS Analog-to-Digital Converter (ADC)
- Black level clamp with variable level control
- Precision Timing core with < 600 ps resolution
- On-chip 3 V horizontal and RG drivers
- Programmable timing driver for high-speed CCD clock drivers (RG and H1 to H4)
- Operation programmed using a 3-wire serial interface
- Packaged in a 40-lead LFCSP package
Applications
- Digital still cameras
- High-speed digital imaging applications
- Security systems and intrusion detection
- Strain gauges and other sensor interfaces
- Wearable devices and other applications requiring high-speed image processing
Q & A
- What is the primary application of the AD9949KCPZRL?
The AD9949KCPZRL is primarily used in digital still camera applications and other high-speed digital imaging applications.
- What is the maximum pixel rate supported by the AD9949KCPZRL?
The AD9949KCPZRL supports pixel rates up to 36 MHz.
- What type of package does the AD9949KCPZRL come in?
The AD9949KCPZRL is packaged in a 40-lead LFCSP (Lead Frame Chip Scale Package).
- What is the operating temperature range of the AD9949KCPZRL?
The operating temperature range is −20°C to +85°C.
- What is the resolution of the ADC in the AD9949KCPZRL?
The ADC has a resolution of 12 bits and operates at 36 MSPS.
- What is the Precision Timing core and its significance?
The Precision Timing core allows for high-speed clock adjustments with a resolution of less than 600 ps, which is crucial for precise timing in CCD applications.
- How is the operation of the AD9949KCPZRL programmed?
The operation is programmed using a 3-wire serial interface.
- What are the key components of the analog front end in the AD9949KCPZRL?
The analog front end includes black level clamping, CDS, PxGA, VGA, and a 12-bit ADC.
- What are some additional applications of the AD9949KCPZRL?
Besides digital still cameras, it can be used in security systems, strain gauges, wearable devices, and other high-speed imaging applications.
- What is the power dissipation of the AD9949KCPZRL at 36 MHz?
The power dissipation is approximately 320 mW at 36 MHz with specific loading conditions.
