TDA8787AHL Philips Semiconductors, TDA8787AHL Datasheet
TDA8787AHL
Available stocks
Related parts for TDA8787AHL
TDA8787AHL Summary of contents
Page 1
DATA SHEET TDA8787A 10-bit, 3 Msps analog-to-digital interface for CCD cameras Product specification Supersedes data of 2000 Oct 12 File under Integrated Circuits, IC02 INTEGRATED CIRCUITS 2000 Nov 14 ...
Page 2
... Gain Amplifier (PGA), 10-bit Analog-to-Digital Converter (ADC) and reference regulator included Fully programmable via a 3-wire serial interface Sampling frequency MHz; (TDA8787AHL = 18 MHz; TDA8787AHL/ MHz) PGA gain range (in steps of 0.1 dB) Low power consumption of only 170 mW at 2.7 V Power consumption in standby mode of 4.5 mW (typical value) 3.0 V operation ...
Page 3
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras QUICK REFERENCE DATA SYMBOL PARAMETER V analog supply voltage CCA V digital supply voltage CCD V digital outputs stages supply CCO voltage I analog supply current CCA I digital supply current CCD I digital outputs supply current f ...
Page 4
... V CCA1 5 AGND1 OFD DAC 9 OFDOUT TEST1 TEST2 TEST3 AGND4 AGND2 CLPOB CLPDM AGND5 TDA8787AHL PGA 10-bit ADC SHIFTER BLANKING DAC 9-BIT 7-BIT REGISTER REGISTER SERIAL 8-BIT REGISTER INTERFACE OPGA OPGAC SEN SCLK SDATA VSYNC Fig ...
Page 5
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras PINNING SYMBOL PIN V 1 digital supply voltage 3 CCD3 DGND3 2 digital ground 3 AGND4 3 analog ground input signal from CCD AGND1 5 analog ground analog supply voltage 1 CCA1 CPCDS1 7 clamp storage capacitor 1 ...
Page 6
... SHD 48 data sample-and-hold pulse input V CCD3 DGND3 AGND4 IN AGND1 V CCA1 CPCDS1 CPCDS2 OFDOUT STDBY BLK CLPDM 2000 Nov TDA8787AHL Fig.2 Pin configuration. 6 Product specification DESCRIPTION ...
Page 7
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL PARAMETER V analog supply voltage CCA V digital supply voltage CCD V output stages supply voltage CCO V supply voltage difference ...
Page 8
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras CHARACTERISTICS 3 2 CCA CCD CCO SYMBOL PARAMETER Supplies V analog supply voltage CCA V digital supply voltage CCD V digital outputs stages CCO supply voltage I analog supply current CCA I digital supply current ...
Page 9
... LSB typical note 1 amb MHz pix (TDA8787AHL MHz pix (TDA8787AHL/S1 see amb Figs 3 and see amb Figs 3 and MHz; ramp input pix MHz; ramp input pix see Fig ...
Page 10
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras SYMBOL PARAMETER O maximum offset between CCD(max) CCD floating level and CCD dark pixel level Digital-to-Analog Converter (OFDOUT DAC) V additional 8-bit control OFDOUT(p-p) DAC (OFD) output voltage (peak-to-peak value) ...
Page 11
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras handbook, full pagewidth IN SHP 0 h(IN-SHP) SHD t h(IN-SHD) CLK DATA BLK Fig.3 Pixel frequency timing diagram with active HIGH-level polarities. 2000 Nov CDS(min) 0 CDS(min) 0.6 V 0 CLKH 2 ...
Page 12
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras handbook, full pagewidth IN 2.2 V SHP t h(IN-SHP) SHD t h(IN-SHD) CLK DATA BLK Fig.4 Pixel frequency timing diagram with active LOW-level polarities. 2000 Nov 0 CDS(min) 2.2 V 2 CDS(min) 2 ...
Page 13
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras handbook, full pagewidth Fig.5 DAC output voltage output as a function of DAC input code. handbook, full pagewidth PGA output VIDEO CLPOB (active HIGH) BLK (active HIGH) (1) In case the number of clamp pixels is limited to 18 2000 Nov 14 1 ...
Page 14
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras ADC input range handbook, halfpage N tot(rms) Noise measurement at ADC outputs; coupling capacitor at input is grounded, so only noise contribution of the front-end is evaluated. Front-end works at 18 Mpixels with line of 1024 pixels whose first 40 are used to run CLPOB and the last 40 for CLPDM. Data at the ADC outputs are measured during the other pixels ...
Page 15
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras SDATA handbook, full pagewidth SCLK SEN 8 OFDOUT DAC LATCHES FLIP-FLOP 8-bit DAC handbook, full pagewidth SDATA A1 SCLK SEN t su1 (minimum); t su1 su2 su3 hd3 Fig.10 Loading sequence of control input data via the serial interface. ...
Page 16
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras Table 1 Serial interface programming; see Figs 9 and 10 ADDRESS BITS Table 2 Polarity settings SYMBOL PIN SHP and SHD 47 and 48 CLK 40 CLPDM 12 (connected to ground) CLPOB 13 BLK ...
Page 17
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras APPLICATION INFORMATION Power and grounding recommendations When designing a printed-circuit board for applications such as PC cameras, surveillance cameras, camcorders and digital still cameras, care should be taken to minimize the noise. For the front-end integrated circuit, the basic rules ...
Page 18
... Nov 14 V CCA 1 F (2) ( CCD3 1 DGND3 2 AGND4 AGND1 5 V CCA1 6 TDA8787AHL CPCDS1 7 CPCDS2 8 OFDOUT 9 STDBY 10 BLK 11 CLPDM 100 nF V CCA Fig.11 Application diagram. 18 Product specification ...
Page 19
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras PACKAGE OUTLINE LQFP48: plastic low profile quad flat package; 48 leads; body 1 pin 1 index DIMENSIONS (mm are the original dimensions) A UNIT max ...
Page 20
... Philips Semiconductors 10-bit, 3 Msps 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 21
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras Suitability of surface mount IC packages for wave and reflow soldering methods PACKAGE BGA, SQFP HLQFP, HSQFP, HSOP, HTSSOP, SMS not suitable (3) PLCC , SO, SOJ LQFP, QFP, TQFP SSOP, TSSOP, VSO Notes 1 ...
Page 22
... Specification may change in any manner without notice. This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips Semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. ...
Page 23
... Philips Semiconductors 10-bit, 3 Msps analog-to-digital interface for CCD cameras 2000 Nov 14 NOTES 23 Product specification TDA8787A ...
Page 24
... Tel. +46 8 5985 2000, Fax. +46 8 5985 2745 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2741 Fax. +41 1 488 3263 Taiwan: Philips Semiconductors, 5F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2451, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 60/14 MOO 11, Bangna Trad Road KM ...