adc12dl080civs National Semiconductor Corporation, adc12dl080civs Datasheet
adc12dl080civs
Available stocks
Related parts for adc12dl080civs
adc12dl080civs Summary of contents
Page 1
... TQFP package and will operate over the industrial temperature range of −40˚C to +85˚C. An evaluation board is available to ease the evaluation process. Connection Diagram TRI-STATE ® registered trademark of National Semiconductor Corporation. © 2006 National Semiconductor Corporation Features n Single +3.3V supply operation n Internal sample-and-hold n Internal or External reference n Outputs 2 ...
Page 2
... Ordering Information Industrial (−40˚C ≤ T ADC12DL080CIVS ADC12DL080EVAL Block Diagram www.national.com ≤ +85˚C) Package A 64 Pin TQFP Evaluation Board 2 20169402 ...
Page 3
Pin Descriptions and Equivalent Circuits Pin No. Symbol ANALOG I A− B− REF 11 REFSEL/DCS ...
Page 4
Pin Descriptions and Equivalent Circuits Pin No. Symbol 21 OF/DOEN 22 OEA/OF 41 OEB/DRDY 59 PD 24–29 DA0–DA5 34–39 DA6-DA11 42–47 DB0–DB5 52–57 DB6-DB11 www.national.com (Continued) Equivalent Circuit OF/DOEN selects the output format (OF) or enables the DRDY output (DOEN). ...
Page 5
Pin Descriptions and Equivalent Circuits Pin No. Symbol ANALOG POWER 9, 18 10, 17, AGND 20, 61, 64 DIGITAL POWER 33 32, 49 DGND 30 23, 31, ...
Page 6
Absolute Maximum Ratings 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications – Voltage on Any Input or ...
Page 7
Converter Electrical Characteristics Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, V +2.5V 0V, External V = +1.0V, f REF limits apply for all ...
Page 8
DC and Logic Electrical Characteristics Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, V +2.5V 0V, External V = +1.0V, f REF limits apply for ...
Page 9
AC Electrical Characteristics Note 3: When the input voltage at any pin exceeds the power supplies (that is maximum package input current rating limits the number of pins that can safely exceed the power supplies with an ...
Page 10
Specification Definitions APERTURE DELAY is the time after the rising edge of the clock to when the input signal is acquired or held for conver- sion. APERTURE JITTER (APERTURE UNCERTAINTY) is the variation in aperture delay from sample to sample. ...
Page 11
Timing Diagram Transfer Characteristic Output Timing FIGURE 1. Transfer Characteristic 11 20169409 20169410 www.national.com ...
Page 12
Typical Performance Characteristics DNL, INL specifications apply for AGND = DGND = DR GND = 0V MHz pF/pin, Duty Cycle Stabilizer On. Boldface limits apply for T CLK IN L ...
Page 13
Typical Performance Characteristics DNL, INL specifications apply for AGND = DGND = DR GND = 0V MHz pF/pin, Duty Cycle Stabilizer On. Boldface limits apply for T CLK IN L ...
Page 14
Typical Performance Characteristics for AGND = DGND = DR GND = 0V MHz pF/pin, Duty Cycle Stabilizer On. Units for SNR and SINAD are dBFS. Units for SFDR and Distortion are L dBc. Boldface limits ...
Page 15
Typical Performance Characteristics for AGND = DGND = DR GND = 0V MHz pF/pin, Duty Cycle Stabilizer On. Units for SNR and SINAD are dBFS. Units for SFDR and Distortion are L dBc. Boldface limits ...
Page 16
Typical Performance Characteristics for AGND = DGND = DR GND = 0V MHz pF/pin, Duty Cycle Stabilizer On. Units for SNR and SINAD are dBFS. Units for SFDR and Distortion are L dBc. Boldface limits ...
Page 17
Typical Performance Characteristics for AGND = DGND = DR GND = 0V MHz pF/pin, Duty Cycle Stabilizer On. Units for SNR and SINAD are dBFS. Units for SFDR and Distortion are L dBc. Boldface limits ...
Page 18
Functional Description Operating on a single +3.3V supply, the ADC12DL080 uses a pipeline architecture and has error correction circuitry to help ensure maximum performance. The differential analog input signal is digitized to 12 bits. The user has the choice of ...
Page 19
Applications Information 20169412 FIGURE 3. Angular Errors Between the Two Input Signals Will Reduce the Output Level or Cause Distortion For differential operation, each analog input pin of the differ- ential pair should have a peak-to-peak voltage equal to the ...
Page 20
Applications Information with a series RC to ground such that the resistor value is equal to the characteristic impedance of the clock line and the capacitor value is where t is the signal propagation rate down the clock line, PD ...
Page 21
Applications Information FIGURE 4. Application Circuit using Transformer Drive Circuit FIGURE 5. Optional Amplifier Drive for Circuit in Figure 4 4.0 POWER SUPPLY CONSIDERATIONS The power supply pins should be bypassed with a 10 µF capacitor and with a 0.1 ...
Page 22
Applications Information exhibit high transients that could add noise to the conversion process. To prevent this from happening, the DR GND pins should NOT be connected to system ground in close prox- imity to any of the ADC12DL080’s other ground ...
Page 23
Applications Information The analog input should be isolated from noisy signal traces to avoid coupling of spurious signals into the input. Any external component (e.g., a filter capacitor) connected be- tween the converter’s input pins and ground or to the ...
Page 24
... Deutsch Tel: +49 (0) 69 9508 6208 English www.national.com Français Tel: +33 ( 8790 64-Lead TQFP Package Ordering Number ADC12DL080CIVS NS Package Number VECO64A 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system affect its safety or effectiveness ...