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ADS7864 Datasheet(PDF) 2 Page - Burr-Brown (TI) |
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ADS7864 Datasheet(HTML) 2 Page - Burr-Brown (TI) |
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2 / 16 page  2 ADS7864 ® SPECIFICATIONS All specifications TMIN to TMAX, +VA = +VD = +5V, VREF = internal +2.5V and fCLK = 8MHz, fSAMPLE = 500kHz, unless otherwise noted. The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant any BURR-BROWN product for use in life support devices and/or systems. ADS7864Y ADS7864YB PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS RESOLUTION 12 T Bits ANALOG INPUT Input Voltage Range-Bipolar VCENTER = +2.5V –VREF +VREF TT V Absolute Input Range +IN –0.3 +VA + 0.3 V –IN –0.3 +VA + 0.3 V Input Capacitance 15 T pF Input Leakage Current CLK = GND ±1 T µA SYSTEM PERFORMANCE No Missing Codes 12 T Bits Integral Linearity ±0.75 ±2 ±0.5 ±1 LSB Integral Linearity Match 0.5 T LSB Differential Linearity –0.9 ±0.6 T ±0.4 LSB Bipolar Offset Error Referenced to REFIN ±0.75 ±4 ±0.5 ±3 LSB Bipolar Offset Error Match 3 T LSB Positive Gain Error Referenced to REFIN ±0.15 ±0.75 ±0.1 ±0.5 % of FSR Positive Gain Error Match 3 T LSB Negative Gain Error Referenced to REFIN ±0.15 ±0.75 ±0.1 ±0.5 % of FSR Negative Gain Error Match 3 T LSB Common-Mode Rejection Ratio At DC 84 T dB VIN = ±1.25Vp-p at 50kHz 80 T dB Noise 120 T µVrms Power Supply Rejection Ratio 0.3 2 TT LSB SAMPLING DYNAMICS Conversion Time per A/D 1.75 T µs Acquisition Time 0.25 T µs Throughput Rate 500 T kHz Aperture Delay 3.5 T ns Aperture Delay Matching 100 T ps Aperture Jitter 50 T ps Small-Signal Bandwidth 40 T MHz DYNAMIC CHARACTERISTICS Total Harmonic Distortion VIN = ±2.5Vp-p at 100kHz –75 T dB SINAD VIN = ±2.5Vp-p at 100kHz 71 T dB Spurious Free Dynamic Range VIN = ±2.5Vp-p at 100kHz 78 T dB Channel-to-Channel Isolation VIN = ±2.5Vp-p at 50kHz –76 T dB VOLTAGE REFERENCE Internal Reference Voltage 2.475 2.5 2.525 TTT V Internal Drift 10 T ppm/ °C Internal Noise 50 T µVp-p Internal Source Current 2 T mA Internal Load Rejection 0.005 T mV/ µA Internal PSRR 80 T dB External Reference Voltage Range 1.2 2.5 2.6 TTT V Input Current 100 T µA Input Capacitance 5 T pF DIGITAL INPUT/OUTPUT Logic Family CMOS T Logic Levels: VIH IIH = +5µA 3.0 +VD + 0.3 TT V VIL IIL = +5µA –0.3 0.8 TT V VOH IOH = –500µA 3.5 T V VOL IOL = –500µA 0.4 T V External Clock 0.2 8 TT MHz Data Format Binary Two’s Complement T POWER SUPPLY REQUIREMENTS Power Supply Voltage, +VA, +VD 4.75 5 5.25 TTT V Quiescent Current, +VA, +VD 10 T mA Power Dissipation 50 T mW T Specifications same as ADS7864Y. |
Similar Part No. - ADS7864 |
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Similar Description - ADS7864 |
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