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Philips TDA8783 Datasheet

Philips 10-bit analog-to-digital interface for ccd camera data sheet
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DATA SHEET
TDA8783
40 Msps, 10-bit analog-to-digital
interface for CCD cameras
Product specification
Supersedes data of 1999 Jun 25
INTEGRATED CIRCUITS
2002 Oct 23

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Summary of Contents for Philips TDA8783

  • Page 1 DATA SHEET TDA8783 40 Msps, 10-bit analog-to-digital interface for CCD cameras Product specification Supersedes data of 1999 Jun 25 INTEGRATED CIRCUITS 2002 Oct 23...
  • Page 2 2002 Oct 23 APPLICATIONS CCD camera systems. GENERAL DESCRIPTION The TDA8783 is a 10-bit analog-to-digital interface for CCD cameras. The device includes a correlated double sampling circuit, AGC and a low-power 10-bit Analog-to-Digital Converter (ADC) together with its reference voltage regulator.
  • Page 3 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras QUICK REFERENCE DATA SYMBOL PARAMETER analog supply voltage digital supply voltage digital outputs supply voltage analog supply current digital supply current digital outputs supply current ADC resolution CDS input voltage (peak-to-peak value) i(CDS)(p-p) CDS output amplifier gain...

  • Page 4: Block Diagram

    Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras BLOCK DIAGRAM IND INP AGND3 handbook, full pagewidth TRACK- AND-HOLD CPCDS AGND1 4-BIT DAC CUT-OFF AMPOUT AGND4 AGCOUT V CCA1 AGND5 ADCIN V ref CLPADC 10-BIT DAC DACOUT 2002 Oct 23...
  • Page 5 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras PINNING SYMBOL CLPOB clamp pulse input at optical black AGND4 analog ground 4 OFDOUT analog output of the additional 8-bit control DAC (controlled via the serial interface) AMPOUT CDS amplifier output (fixed gain = 6 dB)
  • Page 6 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras SYMBOL digital output supply voltage output enable (active LOW: digital outputs active; active HIGH: digital outputs high impedance) digital supply voltage 2 CCD2 DGND2 digital ground 2 ADC clock input...
  • Page 7 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL PARAMETER analog supply voltage digital supply voltage output stages supply voltage supply voltage difference between V and V...
  • Page 8 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras CHARACTERISTICS = 5 V; V = 3 V; f SYMBOL PARAMETER Supplies analog supply voltage digital supply voltage digital outputs supply voltage analog supply current digital supply current digital outputs supply current...
  • Page 9 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras SYMBOL PARAMETER hold time of IND compared to control pulse SHD CDS settling time set(CDS) Amplifier outputs output amplifier gain AMPOUT output amplifier impedance AMPOUT output amplifier dynamic voltage AMPOUT(p-p) (peak-to-peak value) output amplifier black level...
  • Page 10 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras SYMBOL PARAMETER Clamps ADC clamp transconductance m(ADC) CDS clamp transconductance m(CDS) Analog-to-Digital Converter (ADC) maximum clock frequency CLK(max) clock pulse width HIGH clock pulse width LOW clock input slew rate (rising and...
  • Page 11 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras SYMBOL PARAMETER additional 8-bit control DAC OFDOUT (OFD) output impedance OFD output current drive OFDOUT ADC clamp control DAC (see Fig.8) ADC clamp 10-bit control DAC DACOUT(p-p) output voltage (peak-to-peak...
  • Page 12 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras SDATA handbook, full pagewidth SCLK LATCHES 8-bit DAC handbook, full pagewidth SDATA SCLK t su1 = 4 ns (min.); t Fig.4 Loading sequence of control DACs input data via the serial interface.
  • Page 13 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras Table 1 Serial interface programming ADDRESS BITS Note 1. When CLPADC is HIGH (D4 = 1: serial interface), the ADC input is clamped to voltage level V is connected to ground via a capacitor.
  • Page 14 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras handbook, full pagewidth ADCIN DATA 2002 Oct 23 t CDS 1.4 V t n(IN; SHP) 1.4 V t n(IN; SHD) t CPH t d(s) Fig.5 Pixel frequency timing diagram. Product specification TDA8783 1.4 V...
  • Page 15 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras handbook, full pagewidth AGCOUT VIDEO CLPOB (active HIGH) CLPDM (active HIGH) CLPADC (active HIGH) (1) When dummy pixels are not available. 2002 Oct 23 1 pixel OPTICAL BLACK HORIZONTAL FLYBLACK...
  • Page 16 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras handbook, halfpage handbook, full pagewidth ADC CLAMP DAC voltage output ADC CLAMP control DAC input code Fig.8 DAC voltage output as a function of DAC input code. 2002 Oct 23 34.5...
  • Page 17 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras handbook, halfpage handbook, halfpage handbook, halfpage 2002 Oct 23 ( A) 2.00 200 mV Fig.9 Typical clamp current for pin CPCDS. ( A) 2.85 400 mV Fig.10 Typical clamp current for pins IND and INP.
  • Page 18 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras handbook, full pagewidth f cut (MHz) (1) f (2) t (10 bits accuracy). (3) t (9 bits accuracy). (4) t (8 bits accuracy). 2002 Oct 23 Fig.12 CDS settling time and bandwidth.
  • Page 19 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras handbook, full pagewidth f cut (MHz) handbook, full pagewidth V o(CDS)(p-p) (1) t = 12 ns (3) t = 8 ns set(CDS) set(CDS) (2) t = 10 ns (4) t...
  • Page 20 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras handbook, full pagewidth N tot(rms) (LSB) (4.5) (10.5) (1) f = 27 MHz; control DAC = 00H; f (2) f = 18 MHz; control DAC = 10H; f (3) f = 10 MHz;...

  • Page 21: Application Information

    Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras APPLICATION INFORMATION handbook, full pagewidth OFDOUT AMPOUT 5.0 V AGCOUT Depending on the application, the following connections must be made: (1) The clamp level of the signal input at ADCIN can be tuned from code 00 to code 511 in 0.5 LSB steps of ADC via the serial interface (clamp ADC activated).
  • Page 22 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras Power and grounding recommendations Care must be taken to minimize noise when designing a printed-circuit board for applications such as PC cameras, surveillance cameras, camcorders and digital still cameras. For the front-end integrated circuit, the basic rules of...

  • Page 23: Package Outline

    Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras PACKAGE OUTLINE LQFP48: plastic low profile quad flat package; 48 leads; body 7 x 7 x 1.4 mm pin 1 index DIMENSIONS (mm are the original dimensions) UNIT max. 0.20 1.45...
  • Page 24 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras SOLDERING Introduction to soldering surface mount packages This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “Data Handbook IC26; Integrated Circuit Packages”...
  • Page 25 1. For more detailed information on the BGA packages refer to the “(LF)BGA Application Note ” (AN01026); order a copy from your Philips Semiconductors sales office. 2. All surface mount (SMD) packages are moisture sensitive. Depending upon the moisture content, the maximum temperature (with respect to time) and body size of the package, there is a risk that internal or external package cracks may occur due to vaporization of the moisture in them (the so called popcorn effect).

  • Page 26: Data Sheet Status

    2. The product status of the device(s) described in this data sheet may have changed since this data sheet was published. The latest information is available on the Internet at URL http://www.semiconductors.philips.com. 3. For data sheets describing multiple type numbers, the highest-level product status determines the data sheet status.
  • Page 27 Philips Semiconductors 40 Msps, 10-bit analog-to-digital interface for CCD cameras 2002 Oct 23 NOTES Product specification TDA8783...
  • Page 28 Contact information For additional information please visit http://www.semiconductors.philips.com. For sales offices addresses send e-mail to: sales.addresses@www.semiconductors.philips.com. © Koninklijke Philips Electronics N.V. 2002 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.