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AD9040A Scheda tecnica(PDF) 5 Page - Analog Devices |
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AD9040A Scheda tecnica(HTML) 5 Page - Analog Devices |
5 / 16 page REV. D AD9040A –5– PIN CONFIGURATION PDIP and SOIC TOP VIEW (Not to Scale) 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 AD9040A NC = NO CONNECT GND AIN –VS GND +VS ENCODE NC –VS GND +VS GND BPREF VREF VOUT OR D9 (MSB) D8 D7 D6 D5 –VS D0 (LSB) D1 D2 D3 GND VD D4 PIN FUNCTION DESCRIPTIONS Pin No. Mnemonic Function 1, 12, 21 –VS 5 V Power Supply. 2, 4, 11, 14, 22 GND Ground. 3, 10 +VS Analog 5 V Power Supply. 5VOUT Internal Band Gap Voltage Reference (Nominally 2.5 V). 6VREF Noninverting Input to Reference Amplifier. Voltage reference for ADC is connected here. 7BPREF External Connection for (0.1 µF) Reference Bypass Capacitor. 8NCNo Connection Internally. 9 ENCODE Encode Clock Input to ADC. Internal track-and-hold placed in hold mode (ADC is encoding) on rising edge. 13 AIN Noninverting Input to Track-and-Hold Amplifier. 15 OR Out-of-Range Condition Output. Active high when analog input exceeds input range of ADC by 1 LSB (< FS – 1 LSB or > +FS + 1 LSB). 16 D9 (MSB) Most Significant Bit of ADC Output; TTL/CMOS Compatible. 17–20 D8–D5 Digital Output Bits of ADC; TTL/CMOS Compatible. 23 VD Digital +5 V Power Supply. 24–27 D4–D1 Digital Output Bits of ADC; TTL/CMOS Compatible. 28 D0 (LSB) Least Significant Bit of ADC Output; TTL/CMOS Compatible. DIE LAYOUT AND MECHANICAL INFORMATION Die Dimensions . . . . . . . . . 204 mils × 185 mils × 21 (±1) mils Pad Dimensions . . . . . . . . . . . . . . . . . . . . . . . . 4 mils × 4 mils Metalization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Aluminum Backing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . None Substrate Potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –VS Transistor Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5,070 Passivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oxynitride Die Attach (JN/JR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . Epoxy Bond Wire (JN/JR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gold ENCODE GND +VS VREF VOUT NC NC = NO CONNECT BPREF D7 D6 D5 D4 D3 D2 DGND –VS +VD |
Codice articolo simile - AD9040A_15 |
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Descrizione simile - AD9040A_15 |
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