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AMC1303E0520DWV Datasheet(PDF) 7 Page - Texas Instruments |
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AMC1303E0520DWV Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 40 page  6 10 ) ( u ¸¸ ¹ · ¨¨ © § u TempRange value value value ppm TCE MIN MAX G TempRange value value TCE MIN MAX O 7 AMC1303E0510, AMC1303M0510, AMC1303E0520, AMC1303M0520 AMC1303E2510, AMC1303M2510, AMC1303E2520, AMC1303M2520 www.ti.com SBAS771 – JUNE 2017 Product Folder Links: AMC1303E0510 AMC1303M0510 AMC1303E0520 AMC1303M0520 AMC1303E2510 AMC1303M2510 AMC1303E2520 AMC1303M2520 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated (1) Steady-state voltage supported by the device in case of a system failure. See the specified common-mode input voltage VCM for normal operation. Observe analog input voltage range as specified in the Absolute Maximum Ratings table. (2) This parameter is the –3-dB, second-order, roll-off frequency of the integrated differential input amplifier to consider for antialiasing filter designs. (3) Integral nonlinearity is defined as the maximum deviation from a straight line passing through the end-points of the ideal ADC transfer function expressed as number of LSBs or as a percent of the specified linear full-scale range FSR. (4) Offset error drift is calculated using the box method as described by the following equation: . (5) Gain error drift is calculated using the box method as described by the following equation: 7.9 Electrical Characteristics: AMC1303x25x minimum and maximum specifications apply from TA = –40°C to +125°C, AVDD = 3.0 V to 5.5 V, DVDD = 2.7 V to 5.5 V, AINP = –250 mV to 250 mV, AINN = AGND, and sinc 3 filter with OSR = 256 (unless otherwise noted); typical specifications are at TA = 25°C, AVDD = 5 V, and DVDD = 3.3 V PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG INPUTS VClipping Differential input voltage before clipping output VIN = AINP – AINN ±320 mV FSR Specified linear differential full-scale VIN = AINP – AINN –250 250 mV Absolute common-mode input voltage(1) (AINP + AINN) / 2 to AGND –2 AVDD V VCM Operating common-mode input voltage (AINP + AINN) / 2 to AGND –0.16 AVDD – 2.1 V VCMov Common-mode overvoltage detection level (AINP + AINN) / 2 to AGND AVDD – 2 V Hysteresis of common-mode overvoltage detection level 90 mV CIN Single-ended input capacitance AINN = AGND 2 pF CIND Differential input capacitance 1 pF RIN Single-ended input resistance AINN = AGND 19 kΩ RIND Differential input resistance 22 kΩ IIB Input bias current AINP = AINN = AGND, IIB = IIBP + IIBN –82 –60 –48 µA IIO Input offset current ±5 nA CMTI Common-mode transient immunity 50 100 kV/µs CMRR Common-mode rejection ratio AINP = AINN, fIN = 0 Hz, VCM min ≤ VIN ≤ VCM max –98 dB AINP = AINN, fIN from 0.1 Hz to 50 kHz, VCM min ≤ VIN ≤ VCM max –98 PSRR Power-supply rejection ratio AINP = AINN = AGND, 3.0 V ≤ AVDD ≤ 5.5 V, at dc –97 dB AINP = AINN = AGND, 3.0 V ≤ AVDD ≤ 5.5 V, 10-kHz, 100-mV ripple –94.5 BW Input bandwidth(2) AMC1303x2510 510 kHz AMC1303x2520 900 DC ACCURACY DNL Differential nonlinearity Resolution: 16 bits –0.99 0.99 LSB INL Integral nonlinearity(3) Resolution: 16 bits –4 ±1 4 LSB EO Offset error Initial, at TA = 25°C, AINP = AINN = AGND –100 ±4.5 100 µV TCEO Offset error thermal drift(4) –1 ±0.15 1 μV/°C EG Gain error Initial, at TA = 25°C –0.2% –0.005% 0.2% TCEG Gain error thermal drift(5) –40 ±20 40 ppm/°C AC ACCURACY SNR Signal-to-noise ratio AMC1303x2510, fIN = 35 Hz 85 87 dB AMC1303x2520, fIN = 35 Hz 84.5 86.5 THD Total harmonic distortion AMC1303x2510, fIN = 35 Hz –97 –86 dB AMC1303x2520, fIN = 35 Hz –101 –86 SFDR Spurious-free dynamic range fIN = 35 Hz 98 dB |
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