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AD640TE Datasheet(PDF) 4 Page - Analog Devices |
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AD640TE Datasheet(HTML) 4 Page - Analog Devices |
4 / 16 page AD640 REV. C –4– CHIP DIMENSIONS AND BONDING DIAGRAM Dimensions shown in inches and (mm). ABSOLUTE MAXIMUM RATINGS* Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±7.5 V Input Voltage (Pin 1 or Pin 20 to COM) . . . . –3 V to +300 mV Attenuator Input Voltage (Pin 5 to Pin 3/4) . . . . . . . . . . . ±4 V Storage Temperature Range D, E . . . . . . . . . –65 °C to +150°C Storage Temperature Range N, P . . . . . . . . . –65 °C to +125°C Ambient Temperature Range, Rated Performance Industrial, AD640B . . . . . . . . . . . . . . . . . . . –40 °C to +85°C Military, AD640T . . . . . . . . . . . . . . . . . . . –55 °C to +125°C Commercial, AD640J . . . . . . . . . . . . . . . . . . . 0 °C to +70°C Lead Temperature Range (Soldering 60 sec) . . . . . . . . +300 °C *Stresses above those listed under Absolute Maximum Ratings may cause perma- nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ORDERING GUIDE Temperature Package Package Model Range Description Option AD640JN 0 °C to +70°C 20-Lead Plastic DIP N-20 AD640JP 0 °C to +70°C 20-Lead PLCC P-20A AD640BD –40 °C to +85°C 20-Lead Ceramic DIP D-20 AD640BE –40 °C to +85°C 20-Terminal Ceramic LCC E-20A AD640BP –40 °C to +85°C 20-Lead PLCC P-20A AD640TD/883B –55 °C to +125°C 20-Lead Ceramic DIP D-20 5962-9095501MRA –55 °C to +125°C 20-Lead Ceramic DIP D-20 AD640TE/883B –55 °C to +125°C 20-Terminal Ceramic LCC E-20A 5962-9095501M2A –55 °C to +125°C 20-Terminal Ceramic LCC E-20A AD640TCHIPS –55 °C to +125°CDie AD640EB Evaluation Board AD640JP-REEL 0 °C to +70°C 13" Tape and Reel P-20A AD640JP-REEL7 0 °C to +70°C 7" Tape and Reel P-20A CONNECTION DIAGRAMS 20-Lead Ceramic DIP (D) Package 20-Lead PLCC (P) Package 20-Terminal Ceramic LCC (E) Package 20-Lead Plastic DIP (N) Package 9 10 11 12 13 3 2 1 20 19 18 17 16 15 14 4 5 6 7 8 TOP VIEW (Not to Scale) PIN 1 IDENTIFIER AD640 ATN COM CKT COM RG1 RG0 RG2 LOG OUT ATN IN BL1 –VS ITC TOP VIEW (Not to Scale) 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 AD640 SIG –OUT BL2 ITC ATN LO ATN COM ATN COM –VS BL1 ATN IN SIG –IN SIG +IN ATN OUT CKT COM RG1 RG0 RG2 LOG OUT LOG COM +VS SIG +OUT 20 19 1 2 3 18 14 15 16 17 4 5 6 7 8 9 1011 1213 TOP VIEW (Not to Scale) AD640 ATN COM CKT COM RG1 RG0 RG2 LOG OUT ATN IN BL1 –VS ITC CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD640 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. WARNING! ESD SENSITIVE DEVICE (continued from page 1) 6. The low input offset voltage of 50 µV (200 µV max) ensures good accuracy for low level dc inputs. 7. Thermal recovery “tails,” which can obscure the response when a small signal immediately follows a high level input, have been minimized by special attention to design details. 8. The noise spectral density of 2 nV/ √Hz results in a noise floor of ~23 µV rms (–80 dBm) at a bandwidth of 100 MHz. The dy- namic range using cascaded AD640s can be extended to 95 dB by the inclusion of a simple filter between the two devices. |
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