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ADS7812P Datasheet(PDF) 2 Page - Texas Instruments |
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ADS7812P Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 25 page  ADS7812 2 SBAS042A www.ti.com SPECIFICATIONS At TA = –40°C to +85°C, fS = 40kHz, VS = +5V ±5%, using internal reference, unless otherwise specified. ADS7812P, U ADS7812PB, UB PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS RESOLUTION 12 ✻ Bits ANALOG INPUT Voltage Range See Table I ✻ Impedance See Table I ✻ Capacitance 35 ✻ pF THROUGHPUT SPEED Conversion Time 20 ✻ µs Complete Cycle Acquire and Convert 25 ✻ µs Throughput Rate 40 ✻ kHz DC ACCURACY Integral Linearity Error 0.1 ±1 ✻ ±0.5 LSB(1) Differential Linearity Error 0.1 ±1 ✻ ±0.5 LSB No Missing Codes Specified ✻ Transition Noise(2) 0.05 ✻ LSB Full Scale Error(3) ±0.5 ±0.25 % Full Scale Error Drift ±14 ✻ ppm/ °C Full Scale Error(3) Ext. 2.5000V Ref ±0.5 ±0.25 % Full Scale Error Drift Ext. 2.5000V Ref ±5 ✻ ppm/ °C Bipolar Zero Error Bipolar Ranges ±10 ✻ mV Bipolar Zero Error Drift Bipolar Ranges ±3 ✻ ppm/ °C Unipolar Zero Error Unipolar Ranges ±6 ✻ mV Unipolar Zero Error Drift Unipolar Ranges ±3 ✻ ppm/ °C Recovery Time to Rated Accuracy 1.0 µF Capacitor to CAP 300 ✻ µs from Power Down(4) Power Supply Sensitivity +4.75V < (VS = +5V) < +5.25 ±0.75 ✻ LSB AC ACCURACY Spurious-Free Dynamic Range fIN = 1kHz 80 98 ✻✻ dB(5) Total Harmonic Distortion fIN = 1kHz –96 –80 ✻✻ dB Signal-to-(Noise+Distortion) fIN = 1kHz 70 74 72 ✻ dB Signal-to-Noise fIN = 1kHz 70 74 72 ✻ dB Useable Bandwidth(6) 130 ✻ kHz Full Power –3dB Bandwidth 600 ✻ kHz ABSOLUTE MAXIMUM RATINGS(1) Analog Inputs: R1IN ......................................................................... ±16.5V R2IN ................................................ GND – 0.3V to +16.5V R3IN ......................................................................... ±16.5V REF ............................................ GND – 0.3V to VS + 0.3V CAP ............................................... Indefinite Short to GND Momentary Short to VS VS ........................................................................................................... 7V Digital Inputs ...................................................... GND – 0.3V to VS + 0.3V Maximum Junction Temperature ................................................... +165 °C Internal Power Dissipation ............................................................. 825mW Lead Temperature (soldering, 10s) ............................................... +300 °C NOTE: (1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability. ELECTROSTATIC DISCHARGE SENSITIVITY This integrated circuit can be damaged by ESD. Texas Instru- ments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation 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. MINIMUM MAXIMUM SPECIFIED SIGNAL-TO- INTEGRAL NO MISSING (NOISE + SPECIFIED LINEARITY CODE LEVEL DISTORTION) PACKAGE TEMPERATURE PACKAGE ORDERING TRANSPORT PRODUCT ERROR (LSB) (LSB) RATIO (DB) PACKAGE-LEAD DESIGNATOR(1) RANGE MARKING NUMBER MEDIA, QUANTITY ADS7812P ±1 12 70 Dip-16 N –40 °C to +85°C ADS7812P ADS7812P Tubes, 25 ADS7812PB ±0.5 12 72 "" " ADS7812PB ADS7812PB Tubes, 25 ADS7812U ±1 12 70 SO-16 DW –40 °C to +85°C ADS7812U ADS7812U Tubes, 48 " " " " " " " " ADS7812U/1K Tape and Reel, 1000 ADS7812UB ±0.5 12 72 SO-16 DW –40 °C to +85°C ADS7812UB ADS7812UB Tubes, 48 " " " " " " " " ADS7812UB/1K Tape and Reel, 1000 PACKAGE/ORDERING INFORMATION NOTE: (1) For the most current specifications and package information, refer to our web site at www.ti.com. |
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