DATA SHEET
Preliminary specificationSupersedes data of 1997 Jun 27File under Integrated Circuits, IC02
1999 Feb 16
INTEGRATED CIRCUITS
TDA876712-bit high-speed Analog-to-DigitalConverter (ADC)
Page 1: ...DATA SHEET Preliminary specification Supersedes data of 1997 Jun 27 File under Integrated Circuits IC02 1999 Feb 16 INTEGRATED CIRCUITS TDA8767 12 bit high speed Analog to Digital Converter ADC ...
Page 2: ...DTV Imaging camera scanner Medical imaging Telecommunication Base station receiver GENERAL DESCRIPTION The TDA8767 is a bipolar 12 bit Analog to Digital Converter ADC for imaging or other applications It converts the analog input signal into 12 bit binary coded digital words at a maximum sampling rate of 30 MHz All digital inputs and outputs are CMOS compatible QUICK REFERENCE DATA SYMBOL PARAMETE...
Page 3: ... 75 mm SOT307 2 10 TDA8767H 2 20 TDA8767H 3 30 Fig 1 Block diagram handbook full pagewidth MBH142 D11 MSB data outputs 19 21 D10 22 D9 23 D8 24 D7 25 D6 26 D5 27 D4 D3 28 29 42 43 39 VI 11 Vref SH VI D2 30 D1 31 D0 LSB 32 VCCO 33 IR 34 20 18 CMOS OUTPUTS LATCHES ANALOG TO DIGITAL CONVERTER CLOCK DRIVER 15 VCCD2 37 VCCD1 41 VCCA4 3 VCCA3 9 VCCA2 2 VCCA1 36 CLK CMOS OUTPUT OGND IN RANGE LATCH OE TC ...
Page 4: ...put two s complement OE 19 output enable input CMOS level active LOW IR 20 in range output D11 21 data output bit 11 MSB D10 22 data output bit 10 D9 23 data output bit 9 D8 24 data output bit 8 D7 25 data output bit 7 D6 26 data output bit 6 D5 27 data output bit 5 D4 28 data output bit 4 D3 29 data output bit 3 D2 30 data output bit 2 D1 31 data output bit 1 D0 32 data output bit 0 LSB VCCO 33 o...
Page 5: ...dbook full pagewidth TDA8767 MBH143 1 2 3 4 5 6 7 8 9 10 11 33 32 31 30 29 28 27 26 25 24 23 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 n c n c n c n c n c VCCA1 VCCA3 VCCA2 Vref AGND3 AGND2 n c n c n c n c IR D11 D10 DGND2 V CCD2 OE TC D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 OGND DGND1 AGND4 AGND1 V CCD1 V CCA4 V I V I n c VCCO CLK SH ...
Page 6: ...al precautions appropriate to handling integrated circuits THERMAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN MAX UNIT VCCA analog supply voltage note 1 0 3 7 0 V VCCD digital supply voltage note 1 0 3 7 0 V VCCO output supply voltage note 1 0 3 7 0 V VCC supply voltage difference VCCA VCCD 1 0 1 0 V VCCO VCCD 1 0 4 0 V VCCA VCCO 1 0 4 0 V VI input voltage referenced to AGND 0 3 VCCA V Vi p p...
Page 7: ...VIL LOW level input voltage 0 0 8 V VIH HIGH level input voltage 2 0 VCCD V IIL LOW level input current Vclk 0 3VCCD 400 µA IIH HIGH level input current Vclk 0 7VCCD 100 µA Vclk VCCD 300 µA Zi input impedance fclk 30 MHz 2 kΩ Ci input capacitance fclk 30 MHz 2 pF TC SH AND OE REFERENCED TO DGND see Tables 3 and 4 VIL LOW level input voltage 0 0 8 V VIH HIGH level input voltage 2 0 VCCD V IIL LOW l...
Page 8: ...clock frequency TDA8767H 1 10 MHz TDA8767H 2 20 MHz TDA8767H 3 30 MHz tCPH clock pulse width HIGH 8 5 ns tCPL clock pulse width LOW 8 5 ns Analog signal processing 50 clock duty factor Vi Vi 2 0 V Vref VCCA 2 V see Table 1 LINEARITY ILE integral non linearity fclk 4 MHz ramp input 3 0 4 0 LSB DLE differential non linearity fclk 4 MHz ramp input no missing codes 0 6 1 LSB OFER offset error VCCA VCC...
Page 9: ...required for the input signal to be stabilized after a sharp full scale input square wave signal in order to sample the signal and obtain correct output data see Fig 5 4 Output data acquisition the output data is available after the maximum delay of td SIGNAL TO NOISE RATIO S N signal to noise ratio without harmonics fclk 30 MHz fi 4 43 MHz 61 dB Timing CL 15 pF note 4 see Fig 3 tds sampling delay...
Page 10: ...5 2 5 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4094 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1 1 1 1 0 4095 3 0 2 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 overflow 3 0 2 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 CODE VI IR BINARY OUTPUTS TWO S COMPLEMENT OUTPUTS D11 to D0 D11 to D0 underflow 1 5 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 5 1 0 0 0 0 0 0 0 0 ...
Page 11: ...855 sample N 2 Vl DATA D0 to D11 t d t h CPH t CPL t HIGH LOW 50 HIGH LOW 50 DATA N 1 DATA N DATA N 1 DATA N 2 Fig 4 Timing diagram and test conditions of 3 state output delay time fOE 100 kHz handbook full pagewidth MBH144 50 50 HIGH LOW dZH t dHZ t 50 HIGH LOW dZL t dLZ t 10 90 output data VCCD 0V output data 3 3 kΩ 15 pF S1 VCCD TDA8767 OE OE TEST dLZ t dZL t dHZ t dZH S1 CCD V CCD V DGND DGND ...
Page 12: ...uctors Preliminary specification 12 bit high speed Analog to Digital Converter ADC TDA8767 Fig 5 Analog input settling time diagram handbook full pagewidth MBD875 50 STLH t 5 ns code 0 code 1023 I 50 2 ns 50 5 ns STHL t 50 2 ns CLK V ...
Page 13: ...der to obtain a middle voltage of 2 5 V see Table 1 To ensure a sufficient analog input stability the minimum current into these resistors must be about 1 mA 3 Vref must be decoupled to VCCA handbook full pagewidth MBH145 1 2 3 4 5 6 7 8 9 10 11 12 n c n c n c n c 13 14 15 16 17 18 19 20 21 22 IR D11 MSB D10 TDA8767H 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 26 25 24 23 27 D2 D1 D0 LSB 5 ...
Page 14: ...oltage of 2 5 V on VI and VI see Table 1 To ensure a sufficient analog input stability the minimum current into these resistors must be about 1 mA 3 Vref must be decoupled to VCCA handbook full pagewidth MBH146 1 2 3 4 5 6 7 8 9 10 11 12 n c n c n c n c 13 14 15 16 17 18 19 20 21 22 IR D11 MSB D10 TDA8767H 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 26 25 24 23 27 D2 D1 D0 LSB 5 V D3 D4 D5 ...
Page 15: ... 10 1 9 9 0 8 1 3 12 9 12 3 1 2 0 8 10 0 o o 0 15 0 1 0 15 DIMENSIONS mm are the original dimensions Note 1 Plastic or metal protrusions of 0 25 mm maximum per side are not included 0 95 0 55 SOT307 2 95 02 04 97 08 01 D 1 1 1 10 1 9 9 HD 12 9 12 3 E Z 1 2 0 8 D e E B 11 c E H D ZD A ZE e v M A X 1 44 34 33 23 22 12 y θ A1 A Lp detail X L A 3 A2 pin 1 index D H v M B bp bp w M w M 0 2 5 5 mm scale...
Page 16: ...r problems To overcome these problems the double wave soldering method was specifically developed If wave soldering is used the following conditions must be observed for optimal results Use a double wave soldering method comprising a turbulent wave with high upward pressure followed by a smooth laminar wave For packages with leads on two sides and a pitch e larger than or equal to 1 27 mm the foot...
Page 17: ...r packages with a pitch e equal to or smaller than 0 5 mm DEFINITIONS LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances devices or systems where malfunction of these products can reasonably be expected to result in personal injury Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully inde...
Page 18: ...1999 Feb 16 18 Philips Semiconductors Preliminary specification 12 bit high speed Analog to Digital Converter ADC TDA8767 NOTES ...
Page 19: ...1999 Feb 16 19 Philips Semiconductors Preliminary specification 12 bit high speed Analog to Digital Converter ADC TDA8767 NOTES ...
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