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AMC1306X Datasheet(PDF) 7 Page - Texas Instruments |
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AMC1306X Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 38 page  6 10 ) ( u ¸¸ ¹ · ¨¨ © § u TempRange value value value ppm TCE MIN MAX G TempRange value value TCE MIN MAX O 7 AMC1306E05, AMC1306E25, AMC1306M05, AMC1306M25 www.ti.com SBAS734A – MARCH 2017 – REVISED JULY 2017 Product Folder Links: AMC1306E05 AMC1306E25 AMC1306M05 AMC1306M25 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated (1) Steady-state voltage supported by the device in case of a system failure. See specified common-mode input voltage VCM for normal operation. Observe analog input voltage range as specified in the Absolute Maximum Ratings table. (2) The common-mode overvoltage detection level has a typical hysteresis of 90 mV. (3) This is the –3-dB, second-order roll-off frequency of the integrated differential input amplifier to consider for the antialiasing filter design. (4) 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 a number of LSBs or as a percent of the specified linear full-scale range (FSR). (5) Offset error drift is calculated using the box method, as described by the following equation: (6) Gain error drift is calculated using the box method, as described by the following equation: 7.9 Electrical Characteristics: AMC1306x05 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 = –50 mV to 50 mV, AINN = AGND, and sinc 3 filter with OSR = 256 (unless otherwise noted); typical specifications are at TA = 25°C, CLKIN = 20 MHz, 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 ±64 mV FSR Specified linear differential full-scale VIN = AINP – AINN –50 50 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 –0.032 AVDD – 2.1 V VCMov Common-mode overvoltage detection level(2) (AINP + AINN) / 2 to AGND AVDD - 2 V CIN Single-ended input capacitance AINN = AGND 4 pF CIND Differential input capacitance 2 pF IIB Input bias current AINP = AINN = AGND, IIB = IIBP + IIBN –97 –72 –57 μA RIN Single-ended input resistance AINN = AGND 4.75 kΩ RIND Differential input resistance 4.9 kΩ IIO Input offset current ±10 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 –99 dB AINP = AINN, fIN from 0.1 Hz to 50 kHz, VCM min ≤ VIN ≤ VCM max –98 BW Input bandwidth(3) 800 kHz DC ACCURACY DNL Differential nonlinearity Resolution: 16 bits –0.99 0.99 LSB INL Integral nonlinearity(4) Resolution: 16 bits, 4.5 V ≤ AVDD ≤ 5.5 V –4 ±1 4 LSB Resolution: 16 bits, 3.0 V ≤ AVDD ≤ 3.6 V –5 ±1.5 5 EO Offset error Initial, at 25°C, AINP = AINN = AGND –50 ±2.5 50 µV TCEO Offset error thermal drift(5) –1 ±0.25 1 μV/°C EG Gain error Initial, at 25°C –0.2% ±0.005% 0.2% TCEG Gain error thermal drift(6) –40 ±20 40 ppm/°C PSRR Power-supply rejection ratio AINP = AINN = AGND, 3.0 V ≤ AVDD ≤ 5.5 V, at dc –108 dB AINP = AINN = AGND, 3.0 V ≤ AVDD ≤ 5.5 V, 10 kHz, 100-mV ripple –107 AC ACCURACY SNR Signal-to-noise ratio fIN = 1 kHz 78 82.5 dB SINAD Signal-to-noise + distortion fIN = 1 kHz 77.5 82.3 dB THD Total harmonic distortion 4.5 V ≤ AVDD ≤ 5.5 V, 5 MHz ≤ fCLKIN ≤ 21 MHz, fIN = 1 kHz –98 –84 dB 3.0 V ≤ AVDD ≤ 3.6 V, 5 MHz ≤ fCLKIN ≤ 20 MHz, fIN = 1 kHz –93 –83 SFDR Spurious-free dynamic range fIN = 1 kHz 83 100 dB |
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