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ADS7830IPWT Datasheet(PDF) 4 Page - Burr-Brown (TI) |
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ADS7830IPWT Datasheet(HTML) 4 Page - Burr-Brown (TI) |
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4 / 16 page  ADS7830 4 SBAS302 www.ti.com ANALOG INPUT Full-Scale Input Scan Positive Input - Negative Input 0 VREF V Absolute Input Range Positive Input –0.2 +VDD + 0.2 V 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 Throughput Frequency High-Speed Mode: SCL = 3.4MHz 70 kSPS(2) 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 Range 2.475 2.5 2.525 V Internal Reference Drift 15 ppm/ °C Output Impedance Internal Reference ON 110 Ω Internal Reference OFF 1 G Ω Quiescent Current Int. Ref. ON, SCL and SDA pulled HIGH 1300 µA VOLTAGE REFERENCE INPUT Range 0.05 VDD V Resistance 1G Ω Current Drain High-Speed Mode: SCL = 3.4MHz 20 µA DIGITAL INPUT/OUTPUT Logic Family CMOS Logic Levels: VIH +VDD • 0.7 +VDD + 0.5 V VIL –0.3 +VDD • 0.3 V VOL Minimum 3mA Sink Current 0.4 V Input Leakage: I IH V IH = +VDD +0.5 10 µA I IL V IL = -0.3 -10 µA Data Format Straight Binary ADS7830 HARDWARE ADDRESS 10010 Binary POWER-SUPPLY REQUIREMENTS Power-Supply Voltage, +VDD Specified Performance 4.75 5 5.25 V Quiescent Current High-Speed Mode: SCL = 3.4MHz 750 1000 µA Fast Mode: SCL = 400kHz 300 µA Standard Mode, SCL = 100kHz 150 µA Power Dissipation High-Speed Mode: SCL = 3.4MHz 3.75 5 mW Fast Mode: SCL = 400kHz 1.5 mW Standard Mode, SCL = 100kHz 0.75 mW Power-Down Mode High-Speed Mode: SCL = 3.4MHz 400 µA w/Wrong Address Selected Fast Mode: SCL = 400kHz 150 µA Standard Mode, SCL = 100kHz 35 µA Full Power-Down SCL Pulled HIGH, SDA Pulled HIGH 400 3000 nA TEMPERATURE RANGE Specified Performance –40 85 °C NOTES: (1) LSB means Least Significant Bit. When VREF = 5.0V, 1LSB is 19.5mV. (2) kSPS means kilo samples-per-second. (3) THD measured out to the 9th-harmonic. ELECTRICAL CHARACTERISTICS: +5V At TA = –40°C to +85°C, +VDD = +5.0V, VREF = External +5.0V, SCL Clock Frequency = 3.4MHz (High-Speed Mode), unless otherwise noted. ADS7830E PARAMETER CONDITIONS MIN TYP MAX UNITS |
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