TDA8787 Philips Semiconductors, TDA8787 Datasheet
TDA8787
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TDA8787 Summary of contents
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... DATA SHEET TDA8787 10-bit, 3.0 V analog-to-digital interface for CCD cameras Preliminary specification Supersedes data of 1998 Mar 27 File under Integrated Circuits, IC02 INTEGRATED CIRCUITS 1998 Oct 15 ...
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... Oct 15 APPLICATIONS Low-power, low-voltage CCD camera systems. GENERAL DESCRIPTION The TDA8787 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 ADC together with its reference voltage regulator. AGC gain is controlled via the serial interface. ...
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... TEST1 TEST2 TEST3 AGND4 AGND2 CLPOB CLPDM AGND5 COMPARATOR AGC SHIFTER 10-bit ADC DAC 9-BIT 7-BIT TDA8787 REGISTER REGISTER 8-BIT SERIAL INTERFACE REGISTER OAGC OAGCC SCLK SDATA VSYNC SEN Fig.1 Block diagram. PBK CLK OE 11 ...
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... CPCDS2 8 clamp storage capacitor pin 2 OFDOUT 9 analog output of the additional 8-bit control DAC STDBY 10 standby mode control input (LOW: TDA8787 active; HIGH: TDA8787 standby) PBK 11 pre-blanking control input CLPDM 12 clamp pulse input at dummy pixel CLPOB 13 clamp pulse input at optical black ...
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... V CCD3 DGND3 AGND4 IN AGND1 V CCA1 CPCDS1 CPCDS2 OFDOUT STDBY 10 PBK 11 CLPDM 1998 Oct TDA8787 Fig.2 Pin configuration. 5 Preliminary specification DESCRIPTION OGND V CCO 25 MGM542 TDA8787 ...
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... CCD CCO and V CCO referenced to AGND and V may have any value between 0.3 and +7.0 V provided that the supply CCD CCO in free air 6 Preliminary specification MIN. 0.3 +7.0 0.3 +7.0 0.3 +7.0 1.0 +1.0 1.0 +1.0 1.0 +1.0 0.3 +7 +150 20 +75 150 CONDITIONS VALUE 76 TDA8787 MAX. UNIT UNIT K/W ...
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... CONDITIONS all clamps active all data L outputs; input ramp frequency CCD AGC code = 383 for maximum 4 LSB error CLPOB) AGC code = 0 AGC code = 383 7 Preliminary specification TDA8787 MIN. TYP. MAX. 2.7 3.0 3.6 2.7 3.0 3.6 2.5 2.6 3 PBK AND 0 0 ...
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... MHz; ramp input pix MHz; ramp input pix see Fig AGC code = 00 800 AGC code = 383 12.7 see Fig.8 AGC gain = 0 dB AGC gain = Preliminary specification TDA8787 MIN. TYP. MAX +0.3 1.3 2.5 0.5 0.9 0.25 0.8 +70 110 UNIT ...
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... 0.5 V < V < CCO see Fig pF 3 CCO pF 2 CCO 9 Preliminary specification TDA8787 MIN. TYP. MAX. 1.0 AGND AGND + 1.0 250 2000 100 V 0.5 V CCO CCO 0 0 tbf 27 tbf 22 5 UNIT ...
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... SHP 0 h(IN-SHP) SHD t h(IN-SHD) CLK SDATA PBK Fig.3 Pixel frequency timing diagram; all polarities active HIGH. 1998 Oct CDS(min) t CDS(min) 0 CLKH 2 d(SHD-CLK) 50% 2 su(PBK-CLK) 10 Preliminary specification 2.2 V 2 h(o) t d(o) MGM764 TDA8787 ...
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... Fig.5 DAC voltage output as a function of DAC input code. 1998 Oct CDS(min) 2 CDS(min) 2 CLKL 50% 2 su(PBK-CLK) 1.0 OFDOUT DAC voltage output ( OFDOUT control DAC input code 11 Preliminary specification 0.6 V 0 d(SHD-CLK h(o) t d(o) FCE088 MGM543 255 TDA8787 ...
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... W(clamp) Fig.6 Line frequency timing diagram. 42 AGC gain 36 (dB 128 192 256 AGC input code Fig.7 AGC gain as a function of AGC input code. 12 Preliminary specification TDA8787 (1) 4 pixels CLPDM WINDOW DUMMY VIDEO MGM544 FCE057 320 384 ...
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... No quantization noise is taken into account as no signal is inputted. Fig.8 Total noise performance as a function of AGC gain. 1998 Oct 15 10 (LSB 128 192 256 AGC code 13 Preliminary specification TDA8787 FCE098 320 383 ...
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... ADC clamp control Fig.9 Serial interface block diagram. t su2 t hd4 MSB (min.). 14 Preliminary specification MSB LATCH SELECTION 6 CONTROL PULSE POLARITY LATCHES control pulses polarity settings MGM546 LSB su3 t hd3 TDA8787 MGM547 ...
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... Oct 15 DATA BITS PIN SERIAL CONTROL BIT 47 and ADC DIGITAL OUTPUTS Preliminary specification TDA8787 (1) ACTIVE EDGE OR LEVEL HIGH LOW rising falling HIGH LOW HIGH LOW HIGH LOW rising ...
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... Fig.11 Application diagram. 16 Preliminary specification V CCD 100 100 CCD OGND 26 V CCO 25 (1) serial interface 100 nF V CCD MGM548 and t (see Chapter “Characteristics”). h(IN-SHP) h(IN-SHD) TDA8787 V CCD 100 nF ...
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... 2.5 scale (1) ( 0.27 0.18 7.1 7.1 9.15 0.5 0.17 0.12 6.9 6.9 8.85 REFERENCES JEDEC EIAJ 17 Preliminary specification detail 9.15 0.75 1.0 0.2 0.12 0.1 8.85 0.45 EUROPEAN PROJECTION TDA8787 SOT313 (1) ( 0.95 0. 0.55 0.55 0 ISSUE DATE 94-12-19 97-08-01 ...
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... Use only a low voltage soldering iron (less than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 18 Preliminary specification TDA8787 ...
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... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 1998 Oct 15 19 Preliminary specification TDA8787 ...
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... 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, 6F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2865, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 209/2 Sanpavuth-Bangna Road Prakanong, BANGKOK 10260, Tel ...