HomedatasheetVSP1021

VSP1021 Datasheet

3-V, 10-BIT, 25-MSPS, LOW-POWER AREA CCD ANALOG FRONT END
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Description

description
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 analog processing 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.

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

applications
● Digital Still Camera
● Digital Camcorder
● Digital Video Camera

Features

Parameters

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Manufacturer information

TEXAS INSTRUMENTS

Texas Instruments introduction - Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today.

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