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ADS7828 Arkusz danych(PDF) 2 Page - Texas Instruments |
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ADS7828 Arkusz danych(HTML) 2 Page - Texas Instruments |
2 / 17 page ADS7828 2 SBAS181B www.ti.com MAXIMUM INTEGRAL SPECIFIED LINEARITY PACKAGE TEMPERATURE ORDERING TRANSPORT PRODUCT ERROR (LSB) PACKAGE-LEAD DESIGNATOR(1) RANGE NUMBER MEDIA, QUANTITY ADS7828E ±2 TSSOP-16 PW –40 °C to +85°C ADS7828E/250 Tape and Reel, 250 "" " " " ADS7828E/2K5 Tape and Reel, 2500 ADS7828EB ±1 TSSOP-16 PW –40 °C to +85°C ADS7828EB/250 Tape and Reel, 250 "" " " " ADS7828EB/2K5 Tape and Reel, 2500 NOTE: (1) For the most current specifications and package information, refer to our web site at www.ti.com. PACKAGE/ORDERING INFORMATION ABSOLUTE MAXIMUM RATINGS(1) +VDD to GND ........................................................................ –0.3V to +6V Digital Input Voltage to GND ................................. –0.3V to +VDD + 0.3V Operating Temperature Range ...................................... –40 °C to +105°C Storage Temperature Range ......................................... –65 °C to +150°C Junction Temperature (TJ max) .................................................... +150°C TSSOP Package Power Dissipation .................................................... (TJ max – TA)/θJA θ JA Thermal Impedance ........................................................ 240°C/W Lead Temperature, Soldering Vapor Phase (60s) ............................................................ +215 °C Infrared (15s) ..................................................................... +220 °C NOTE: (1) Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. Exposure to absolute maximum conditions for extended periods may affect 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. 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 12 ✻ Bits Integral Linearity Error ±1.0 ±2 ±0.5 ±1LSB(1) Differential Linearity Error ±1.0 ±0.5 –1, +2 LSB Offset Error ±1.0 ±3 ±0.75 ±2 LSB Offset Error Match ±0.2 ±1 ✻✻ LSB Gain Error ±1.0 ±4 ±0.75 ±3 LSB Gain Error Match ±0.2 ±1 ✻✻ LSB Noise 33 ✻ µVRMS Power-Supply Rejection 82 ✻ dB SAMPLING DYNAMICS Throughput Frequency High Speed Mode: SCL = 3.4MHz 50 ✻ kHz Fast Mode: SCL = 400kHz 8 ✻ Standard Mode, SCL = 100kHz 2 ✻ kHz Conversion Time 6 ✻ µs AC ACCURACY Total Harmonic Distortion VIN = 2.5VPP at 10kHz –82 ✻ dB (2) Signal-to-Ratio VIN = 2.5VPP at 10kHz 72 ✻ dB Signal-to-(Noise+Distortion) Ratio VIN = 2.5VPP at 10kHz 71 ✻ dB Spurious-Free Dynamic Range VIN = 2.5VPP at 10kHz 86 ✻ dB Isolation Channel-to-Channel 120 ✻ 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 850 ✻ µA VOLTAGE REFERENCE INPUT Range 0.05 VDD ✻✻ V Resistance 1 ✻ G Ω Current Drain High Speed Mode: SCL= 3.4MHz 20 ✻ µA ELECTRICAL CHARACTERISTICS: +2.7V At TA = –40°C to +85°C, +VDD = +2.7V, VREF = +2.5V, SCL Clock Frequency = 3.4MHz (High-Speed Mode), unless otherwise noted. ADS7828E ADS7828EB PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS |
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