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SDM872 Datasheet(PDF) 2 Page - Burr-Brown (TI) |
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SDM872 Datasheet(HTML) 2 Page - Burr-Brown (TI) |
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2 / 27 page  ® SDM862/863/872/873 2 16 Single-Ended or 8 Differential Input Multiplexer Inst Amp S/H Amp 12-Bit A/D Converter Digital Data Outputs CH0 + – CH7 CH 15 CH0 CH7 CH0 + – – + – *(Output MUX Minus) Only on SDM863/873 SPECIFICATIONS ELECTRICAL At +25 °C, V CC = ±15V, VDD = 5V, external sample/hold capacitor of 4700pF. All grades are burned-in at +125°C for 48 hours min. ±5, ±10 0-10 SDM862/863/872/873 J, A, R SDM862/863/872/873 K, B, S PARAMETER MIN TYP MAX MIN TYP MAX UNITS RESOLUTION 12 * Bits INPUT ANALOG Voltage Ranges: Bipolar V Unipolar V Input Impedance: On Channel 1010 * Ω Off Channel 1010 * Ω Input Capacitance: On Channel 20 * pF Off Channel 20 * pF CMRR (20VDC to 1kHz) 80 85 * * dB Crosstalk (20Vp-p, 1kHz) (1) –85 –80 * * dB Feedthrough (at 1kHz) (1) –85 –80 * * dB Offset (channel to channel) G = 1 (2) 30 100 * * µV Input Bias Current/Channel 1 5 * * nA Input Voltage Range (3) +10 +11 * * V –10 –15 * * V DIGITAL (7, 8) MUX Input Channel Select: Logic ‘1’ 5 30 * * µA Logic ‘0’ 5 30 * * µA MUX Input: Logic High 4.0 * V Logic Low 0.8 * V S/H Command: Logic ‘1’ 0.2 * nA Logic ‘0’ 5 30 * * µA ADC Section: Logic ‘1’ 10 * µA Logic ‘0’ 10 * µA TRANSFER CHARACTERISTICS ACCURACY Integral Linearity (4) ±0.024 ±0.012 %FSR Differential Linearity (4) ±0.024 * %FSR No Missing Codes Over Operating Temperature Range Gain Error (5): G = 1 0.5 * % G = 100 0.9 * % Unipolar Offset Error (5) 16 * mV Bipolar Offset Error (5) 50 * mV Noise Error (Measured at S/H Output) G = 1 0.5 1 * * mVp-p Droop Rate 50 500 * * µV/ms Temperature Coefficients: Unipolar Offset 20 15 ppm of FSR/ °C Bipolar Offset 30 25 ppm of FSR/ °C Full-Scale Calibration 60 35 ppm of FSR/ °C |
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