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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TDA9964 датащи(PDF) 8 Page - NXP Semiconductors |
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TDA9964 датащи(HTML) 8 Page - NXP Semiconductors |
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8 / 24 page  2000 May 02 8 Philips Semiconductors Objective specification 12-bit, 3.0 V, 30 Msps analog-to-digital interface for CCD cameras TDA9964 Total chain characteristics (CDS + PGA + ADC) fpix(max) maximum pixel frequency 30 −− MHz fpix(min) minimum pixel frequency tbf −− MHz tCLKH CLK pulse width HIGH 12 −− ns tCLKL CLK pulse width LOW 12 −− ns td(SHD;CLK) time delay between SHD and CLK see Figs 3 and 4 10 −− ns tsu(BLK;SHD) set-up time of BLK compared to SHD see Figs 3 and 4 5 −− ns Vi(IN) video input dynamic signal for ADC full-scale output PGA code = 00 800 −− mV PGA code = 255 50 −− mV Ntot(rms) total noise from CDS input to ADC output (RMS value) see Fig.8 PGA gain = 0 dB − 1.5 − LSB PGA gain = 9 dB − 2.2 − LSB Ein(rms) equivalent input noise voltage (RMS value) PGA gain = 24 dB − 70 −µV PGA gain = 9 dB − 140 −µV OCCD(max) maximum offset between CCD floating level and CCD dark pixel level −100 − +100 mV Digital-to-analog converter (OFDOUT DAC) VOFDOUT(p-p) additional 8-bit control DAC (OFD) output voltage (peak-to-peak value) Ri =1MΩ− 1.0 − V VOFDOUT(0) DC output voltage for code 0 − AGND − V VOFDOUT(255) DC output voltage for code 255 − AGND + 1.0 − V TCDAC DAC output range temperature coefficient − 250 − ppm/ °C ZOFDOUT DAC output impedance − 2000 −Ω IOFDOUT OFD output current drive static −− 100 µA Digital outputs (fpix = 30 MHz; CL = 10 pF); see Figs 3 and 4 VOH HIGH-level output voltage IOH = −1mA VCCO − 0.5 − VCCO V VOL LOW-level output voltage IOL = 1 mA 0 − 0.5 V IOZ output current in 3-state mode 0.5V<Vo <VCCO −20 − +20 µA th(o) output hold time 5 −− ns td(o) output delay time CL = 10 pF; VCCO = 3.0 V − 12 tbf ns CL = 10 pF; VCCO = 2.7 V − 14 tbf ns CL output load capacitance −− 15 pF Serial interface fSCLK(max) maximum frequency of serial interface 10 −− MHz SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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