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TLV987 Datasheet(PDF) 1 Page - Texas Instruments |
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TLV987 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 20 page TLV987 3-V 10-BIT 27 MSPS AREA CCD SENSOR SIGNAL PROCESSOR SLAS211A – MARCH 1999 – REVISED SEPTEMBER 1999 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 10-Bit, 27 MSPS, A/D Converter D Single 3-V Supply Operation D Low Power: 200 mW Typical at 3 V, 2 mW Power-Down Mode D Differential Nonlinearity Error: <±0.6 LSB Typ D Integral Nonlinearity Error: <±2 LSB Typ D Programmable Gain Amplifier (PGA) With 0-dB to 36-dB Gain Range (0.09 dB/step) D Automatic or Programmable Black Level and Offset Calibration D Additional DACs for External Analog Setting D Serial Interface for Register Configuration D Internal Reference Voltages D 48-Pin TQFP Package applications D Digital Still Camera D Digital Camcorder D Digital Video Camera description The TLV987 is a highly integrated monolithic analog signal processor/digitizer designed to interface the area charge-coupled device (CCD) sensors in digital camera applications. The TLV987 performs all the analog processing functions necessary to maximize the dynamic range, corrects various errors associated with the CCD sensor, and then converts the results from analog to digital using the on-chip high-speed analog-to-digital converter (ADC). The key components of the TLV987 include input clamp circuitry, a correlated double sampler (CDS), and a programmable gain amplifier (PGA). The PGA has 0-dB to 36-dB gain range. In addition, the TLV987 has two internal digital-to-analog converters (DACs) for automatic or programmable optical black level and offset calibration. The TLV987 also has two additional DACs for external system control, and internal reference voltages. The TLV987 has a parallel data port for easy microprocessor interface and a serial port for configuring internal control registers. Designed in advanced CMOS process, the TLV987 operates from a single 3-V power supply with a normal power consumption of 200 mW and a 2 mW power-down mode. Very high throughput rate, single 3-V operation, low power consumption, and fully integrated analog processing circuitry make the TLV987 an ideal CCD sensor interfacing solution for digital camera applications. The device is available in a 48-pin TQFP package and is characterized for operation over 0 °C to 70°C operating free-air temperature range. AVAILABLE OPTIONS TA PACKAGE TA TQFP (PFB) 0 °C to 70°C TLV987CPFB Copyright © 1999, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 14 15 BLKG TPP TPM AVDD4 AGND4 OBCLP STBY RESET CS SDIN SCLK ADCCLK 36 35 34 33 32 31 30 29 28 27 26 25 16 1 2 3 4 5 6 7 8 9 10 11 12 DIN PIN AVDD2 AGND2 DGND DVDD D0 D1 D2 D3 D4 D5 17 18 19 20 47 46 45 44 43 48 42 40 39 38 41 21 22 23 24 37 13 PFB PACKAGE (TOP VIEW) TI is a trademark of Texas Instruments Incorporated. |
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