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ADS7830IPWRG4 Datasheet(PDF) 5 Page - Texas Instruments |
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ADS7830IPWRG4 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 26 page  ADS7830 www.ti.com SBAS302C – DECEMBER 2003 – REVISED OCTOBER 2012 ELECTRICAL CHARACTERISTICS: +5V At TA = –40°C to +125°C, +VDD = +5.0V, VREF = External +5.0V, and SCL Clock Frequency = 3.4MHz (High-Speed Mode), unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG INPUT Full-Scale Input Scan Positive Input – Negative Input 0 VREF V Positive Input –0.2 +VDD + 0.2 V Absolute Input Range Negative Input –0.2 +0.2 V Capacitance 25 pF Leakage Current ±1 µA SYSTEM PERFORMANCE No Missing Codes 8 Bits Integral Linearity Error ±0.1 ±0.5 LSB(1) Differential Linearity Error ±0.1 ±0.5 LSB Offset Error +0.5 +1 LSB Offset Error Match ±0.05 ±0.25 LSB Gain Error ±0.1 ±0.5 LSB Gain Error Match ±0.05 ±0.25 LSB Noise 100 µVRMS Power-Supply Rejection 72 dB SAMPLING DYNAMICS High-Speed Mode: SCL = 3.4MHz 70 kSPS(2) Throughput Frequency Fast Mode: SCL = 400kHz 10 kSPS Standard Mode, SCL = 100kHz 2.5 kSPS Conversion Time 5 µs AC ACCURACY Total Harmonic Distortion VIN = 5VPP at 1kHz –72 dB(3) Signal-to-Ratio VIN = 5VPP at 1kHz 50 dB Signal-to-(Noise+Distortion) Ratio VIN = 5VPP at 1kHz 49 dB Spurious-Free Dynamic Range VIN = 5VPP at 1kHz 68 dB Isolation Channel-to-Channel 90 dB VOLTAGE REFERENCE OUTPUT TA = –40°C to +85°C 2.48 2.52 V Range TA = –40°C to +125°C 2.47 2.53 V TA = –40°C to +85°C 15 ppm/°C Internal Reference Drift TA = –40°C to +125°C 40 ppm/°C Internal Reference ON 110 Ω Output Impedance Internal Reference OFF 1 G Ω Internal Reference ON, Quiescent Current 1300 µA SCL and SDA pulled HIGH VOLTAGE REFERENCE INPUT Range 0.05 VDD V Resistance 1 G Ω Current Drain High-Speed Mode: SCL= 3.4MHz 20 µA (1) LSB means least significant bit. When VREF = 2.5V, 1LSB is 9.8mV. (2) kSPS means kilo samples-per-second. (3) THD measured out to the 9th-harmonic. Copyright © 2003–2012, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: ADS7830 |
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