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ADS7804UE4 Datasheet(PDF) 2 Page - Texas Instruments |
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ADS7804UE4 Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 19 page  ADS7804 2 SBAS019A www.ti.com ABSOLUTE MAXIMUM RATINGS Analog Inputs: VIN ............................................................................. ±25V CAP ................................... +VANA +0.3V to AGND2 –0.3V REF .......................................... Indefinite Short to AGND2 Momentary Short to VANA Ground Voltage Differences: DGND, AGND1, AGND2 ................. ±0.3V VANA ....................................................................................................... 7V VDIG to VANA ..................................................................................... +0.3V VDIG ....................................................................................................... 7V Digital Inputs ........................................................... –0.3V to +VDIG +0.3V Maximum Junction Temperature ................................................... +165 °C Internal Power Dissipation ............................................................. 825mW Lead Temperature (soldering, 10s) ............................................... +300 °C ELECTROSTATIC DISCHARGE SENSITIVITY This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper han- dling and installation procedures can cause damage. ESD damage can range from subtle performance degrada- tion to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. PACKAGE/ORDERING INFORMATION MAXIMUM MINIMUM LINEARITY SIGNAL-TO- SPECIFIED ERROR (NOISE+DISTORTION) PACKAGE-LEAD TEMPERATURE PACKAGE ORDERING TRANSPORT PRODUCT (LSB) RATIO (LSB) (DESIGNATOR)(1) RANGE MARKING NUMBER MEDIA, QUANTITY ADS7804P ±0.9 70 DIP-28 (NT) –40 °C to +85°C ADS7804P ADS7804P Tube, 13 ADS7804PB ±0.45 72 DIP-28 (NT) –40 °C to +85°C ADS7804PB ADS7804PB Tube, 13 ADS7804U ±0.9 70 SO-28 (DW) –40 °C to +85°C ADS7804U ADS7804U Tube, 28 "" " " " " ADS7804U/1K Tape and Reel, 1000 ADS7804UB ±0.45 72 SO-28 (DW) –40 °C to +85°C ADS7804UB ADS7804UB Tube, 28 "" " " " " ADS7804UB/1K Tape and Reel, 1000 NOTE: (1) For the most current specifications and package information, refer to our web site at www.ti.com. ELECTRICAL CHARACTERISTICS At TA = –40°C to +85°C, fS = 100kHz, and VDIG = VANA = +5V, using internal reference, unless otherwise specified. ADS7804P, U ADS7804PB, UB PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS RESOLUTION 12 ✻ Bits ANALOG INPUT Voltage Ranges ±10V ✻ V Impedance 23 ✻ k Ω Capacitance 35 ✻ pF THROUGHPUT SPEED Conversion Time 5.7 8 ✻✻ µs Complete Cycle Acquire and Convert 10 ✻ µs Throughput Rate 100 ✻ kHz DC ACCURACY Integral Linearity Error ±0.9 ±0.45 LSB(1) Differential Linearity Error ±0.9 ±0.45 LSB No Missing Codes Ensured ✻ Bits Transition Noise(2) 0.1 ✻ LSB Full Scale Error(3,4) ±0.5 ±0.25 % Full Scale Error Drift ±7 ±5 ppm/ °C Full Scale Error(3,4) Ext. 2.5000V Ref ±0.5 ±0.25 % Full Scale Error Drift Ext. 2.5000V Ref ±2 ✻ ppm/ °C Bipolar Zero Error(3) ±10 ±10 mV Bipolar Zero Error Drift ±2 ✻ ppm/ °C Power Supply Sensitivity +4.75V < VD < +5.25V ±0.5 ✻ LSB (VDIG = VANA = VD) AC ACCURACY Spurious-Free Dynamic Range fIN = 45kHz 80 ✻ dB(5) Total Harmonic Distortion fIN = 45kHz –80 ✻ dB Signal-to-(Noise+Distortion) fIN = 45kHz 70 72 dB Signal-to-Noise fIN = 45kHz 70 72 dB Full-Power Bandwidth(6) 250 ✻ kHz SAMPLING DYNAMICS Aperture Delay 40 ✻ ns Aperture Jitter Sufficient to meet AC specs ✻ Transient Response FS Step 2 ✻ µs Overvoltage Recovery(7) 150 ✻ ns |
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