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The VSP1021 device is a highly-integrated monolithic analog-signal processor/digitizer designed to interface the area charge-coupled-device (CCD) sensors in digital-camera and camcorder applications. The VSP1021 device performs all the analog processing functions necessary to maximize the dynamic range, corrects various errors associated with the CCD sensor, and then digitizes the results with an on-chip, high-speed ADC. The key components of the VSP1021 device include: Input clamp circuitry and a correlated double sampler (CDS) Programmable-gain amplifier (PGA) with 0-dB to 36-dB gain range for CCD mode and 0-dB to 12-dB range for video mode Two internal DACs for automatic or programmable optical-black-level and offset calibration 10-bit, 25-MSPS pipeline ADC for CCD mode and a 28-MSPS ADC for video mode Parallel data port for easy microprocessor interface and a serial port for configuring internal control registers Two additional DACs for external system control Internal reference voltages
The VSP1021 device is designed using advanced CMOS process and operates from a single 3-V power supply with a normal power consumption of just 95 mW, and 1 mW in power-down mode.
High throughput rate, single 3-V operation, very-low-power consumption, and fully-integrated analogprocessing circuitry make the VSP1021 device an ideal CCD and video-signal-processing solution for electronic video-camcorder applications.
This device is available in a 48-terminal TQFP package and is specified over an operating temperature range of 20°C to 75°C.
VSP1021 Maximum Ratings
Supply voltage, AVDD, DVDD, DIVDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to 6.5 V Analog input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3 V to AVDD + 0.3 V Digital input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3 V to DVDD + 0.3 V Operating virtual junction temperature range, TJ . . . . . . . . . . . . . . . . . . .40°C to 150°C Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . 20°C to 75°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65°C to 150°C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . .. . . . . 260°C
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
VSP1021 Features
10-Bit, 25-MSPS, Analog-to-Digital Converter (ADC) Single Power Supply Operation, 2.7 V to 3.3 V Low Power: 95 mW at 2.7 V, Power-Down Mode: 1 mW Full-Channel Differential-Nonlinearity Error: <±0.5 LSB Typical Full-Channel Integral-Nonlinearity Error: <±1.5 LSB Typical Dual Input Modes: CCD and Video Programmable-Gain Amplifier (PGA) With 0-dB to 36-dB Gain Range (0.047 dB/Step) for CCD Mode, 0-dB to 12-dB Gain Range (0.047 dB/Step) for Video Mode Serial Interface for Register Configuration Programmable Black-Level and Offset Calibration Analog Gain Implementation With Specified No Missing Code, Even At High Gains Additional Digital-to-Analog Converters (DACs) for External Analog Setting Internal Reference Voltages Programmable Internal-Timing Signal Delays 48-Terminal TQFP Package
VSP1021 Typical Application
Digital Still Camera Digital Camcorder Digital Video Camera
VSP1021 Connection Diagram
VSP10T21 General Description
The VSP10T21 device is a complete charge-coupled device (CCD) and video signal processor/digitizer designed for digital camera and camcorder applications. The VSP10T21 device performs all the analog processing functions necessary to maximize the dynamic range, corrects various errors associated with the CCD sensor, and then digitizes the results with an on-chip high-speed analog-to-digital converter (ADC). One of the key features of this device is an integrated programmable delay generated for the CDS timing control, which eases the AFE timing adjustments for optimum image quality. Other key components of the VSP10T21 device include: Input clamp circuitry and a CDS Programmable gain amplifier (PGA) with 0-dB to 36-dB gain range (0.047 dB/step) for CCD mode, 0-dB to 12-dB gain range (0.047 dB/step) for video mode Internal programmable optical black level and offset calibration 10-bit, 21 MSPS pipeline ADC for CCD mode and 28 MSPS ADC for video mode Parallel data port for easy microprocessor interface and a serial port for configuring internal control registers Two DACs for external system control Internal reference voltages Designed in advanced CMOS process, the VSP10T21 device operates from a single power supply with a normal power consumption of 109 mW at 2.7 V and 21 MSPS and a 1.5-mW power-down mode.
High precision, single 3-V operation, very low power consumption, and fully integrated analog processing circuitry make the VSP10T21 device an ideal CCD signal processing solution for the electronic video camcorder and digital still camera applications.
The part is available in a 48-terminal TQFP package and is specified over an operating temperature range of 20°C to 75°C.
VSP10T21 Maximum Ratings
Supply voltage, AVDD, DVDD, DIVDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to 6.5 V Analog input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3 V to AVDD + 0.3 V Digital input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3 V to DVDD + 0.3 V Operating virtual junction temperature range, TJ . . . . . . . . . . . . . . . . . . .40°C to 150°C Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . 20°C to 75°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65°C to 150°C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . .. . . . . 260°C
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
VSP10T21 Features
10-bit, 21 Mega-Samples Per Second (MSPS), A/D Converter Single Power Supply Operation, 2.7 V to 3.3 V Internally Programmable Correlated Double Sampler (CDS) Timing SR and ADCCLK Very Low Power: 109 mW Typical at 2.7-V, 1.5-mW Power-Down Mode Full Channel Differential Nonlinearity Error: <±0.5 LSB Typical Full Channel Integral Nonlinearity Error: <±1.0 LSB Typical Programmable Optical Black (OB) Level and Offset Calibration Programmable Gain Amplifier (PGA) With 0-dB to 36-dB Gain Range (0.047 dB/Step) for CCD Mode, 0-dB to 12-dB Gain Range (0.047 dB/Step) for Video Mode Additional Digital-to-Analog Converters (DACs) for External Analog Setting Serial Interface for Register Configuration Internal Reference Voltages 48-Terminal TQFP Package
VSP10T21 Typical Application
Digital Still Camera Digital Camcorder Digital Video Camera