adc14071eval National Semiconductor Corporation, adc14071eval Datasheet
adc14071eval
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adc14071eval Summary of contents
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... The ADC14071 comes in a 48-pin TQFP and is specified to operate over the industrial temperature range of −40˚C to +85˚C. Connection Diagram TRI-STATE ® registered trademark of National Semiconductor Corporation. © 1999 National Semiconductor Corporation DS101101 Features n Single +5V Operation n Power Down Mode n TTL/CMOS Input/Output Compatible ...
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... Ordering Information Industrial Temperature Range (−40˚ ADC14071CIVBH ADC14071EVAL Block Diagram Pin Descriptions and Equivalent Circuits Pin No. Symbol Equivalent Circuit ANALOG I − REF IN www.national.com NS Package +85˚C) VBH48A 48-Pin Thin Quad Flatpak Evaluation System Non-Inverting analog signal input. With a 2.0V reference voltage the input signal voltage range is from ...
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Pin Descriptions and Equivalent Circuits Pin No. Symbol Equivalent Circuit ANALOG I REF REF (MID − BY REF DIGITAL I/O 11 CLOCK 19-23, 25-29, D0–D13 ...
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Pin Descriptions and Equivalent Circuits Pin No. Symbol Equivalent Circuit DIGITAL POWER DGND 24, 30, DR GND 37 NC 18, 38, 39, 40, NC 44, 46, 48 www.national.com (Continued) Description Positive digital ...
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Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage + = − ...
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Converter Electrical Characteristics The following specifications apply for AGND = DGND = DR GND = 0V +2.0V, V (common mode) = 1.0V REF apply for all ...
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AC Electrical Characteristics The following specifications apply for AGND = DGND = DR GND = 0V +2.0V, V (common mode) = 1.0V REF apply for all ...
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AC Electrical Characteristics www.national.com (Continued) FIGURE 1. Transfer Characteristic FIGURE 2. Description of Errors 8 DS101101-9 DS101101-10 ...
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Typical Performance Characteristics otherwise stated. INL DS101101-11 SNR vs Temperature DS101101-13 DNL vs Temperature DS101101- 5V 7MHz CLK IN DNL DS101101-12 INL vs Temperature DS101101-14 THD vs ...
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Typical Performance Characteristics otherwise stated. (Continued) SINAD & ENOB vs Temp SFDR vs Temperature IMD Response Specification Definitions APERTURE JITTER is the variation in aperture delay from sample to sample. Aperture jitter shows up as input noise. APERTURE DELAY is ...
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Specification Definitions (Continued) Distortion or SINAD. ENOB is defined as (SINAD - 1.76)/6.02 and says that the converter is equivalent to a per- fect ADC of this (ENOB) number of bits. FULL POWER BANDWIDTH is a measure of the frequency ...
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Functional Description Operating on a single +5V supply, the ADC14071 uses a pipelined architecture and has error correction circuitry to help ensure maximum performance. Balanced analog signals are digitized to 14 bits. Each of these input signals should have a ...
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Applications Information (Continued) DS101101-31 FIGURE 4. Angular Errors between the Two Input Signals Will Reduce the Output Level For single ended operation, one of the analog inputs should be connected to a voltage equal to the reference voltage, with the ...
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Applications Information FIGURE 5. Simple Application Circuit with Single-Ended to Differential Buffer FIGURE 6. Differential Drive Circuit of Figure 5 . All 100 Tolerance of the other Resistors is not Critical. www.national.com (Continued) Resistors are 0.1%. 14 DS101101-25 DS101101-26 ...
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Applications Information (Continued) FIGURE 7. Driving the Signal Inputs with a Transformer 4.0 POWER SUPPLY CONSIDERATIONS The power supply pin should be bypassed with a 10 µF ca- pacitor and with a 0.1 µF ceramic chip capacitor a centimeter of ...
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Applications Information relatively low impedance across this narrow ground connec- tion. This implies that the power supply ground should be connected to the digital ground plane. Generally, analog and digital lines should cross each other at 90˚ to avoid crosstalk. ...
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Applications Information (Continued) FIGURE 9. Isolating the ADC Clock from other Circuitry with A Clock Tree 7.0 COMMON APPLICATION PITFALLS Driving the inputs (analog or digital) beyond the power supply rails. For proper operation, all inputs should not go more ...
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... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...