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LTC2943 Datasheet(PDF) 3 Page - Analog Devices |
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LTC2943 Datasheet(HTML) 3 Page - Analog Devices |
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3 / 18 page  LTC2959 3 Rev. 0 For more information www.analog.com ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Voltage Measurement ADC VFS Full-Scale Voltage Conversion 62.6 V ∆VLSB Quantization Step Size 1 LSB at 16-Bit Resolution 0.955 mV GAINVDD Gain Error, VDD Channel 1.8V ≤ VDD ≤ 60V l ±1.0 % GAINSENSEN Gain Error, SENSEN Channel 1.8V ≤ SENSEN ≤ 60V l ±1.0 % INLV Integral Nonlinearity l ±2 ±16 LSB tCONVV Voltage Conversion Time 400 µs Current Measurement ADC VFSI Full-Scale Current Conversion SENSEP – SENSEN ±97.5 mV ∆ILSB Quantization Step Size 1 LSB at 16-Bit Resolution 2.975 µV GAINI Current Gain Accuracy l ±1.0 % VOSI Offset 16-Bit LSBs l ±1 ±8 LSB INLI Integral Nonlinearity 16-Bit LSBs l ±2 ±16 LSB Vn RMS Noise 3 LSB tCONVI Current Conversion Time 400 µs Temperature Measurement ADC TFS Full-Scale Temperature l 825 K ∆TLSB Quantization Step Size 1 LSB at 16-Bit Resolution 12.8 mK TUET Temperature Total Unadjusted Error l ±0.5 ±5 K tCONVT Temperature Conversion Time As Part of Round-Robin Cycle 1200 µs GPIO Voltage Input ADC VFS Full-Scale GPIO Input Range Small Input Range Large Input Range ±97.5 1.56 mV V ∆VLSB Quantization Step Size Small Input Range Large Input Range 2.975 47.6 µV µV GAINGPIO Gain Accuracy l ±1.0 % VOSGPIO Offset Small Input Range Large Input Range 40 3 LSB LSB INLGPIO Integral Nonlinearity Small Input Range Large Input Range ±4 ±4 ±32 ±32 LSB LSB tCONVGPIO Conversion Time As Part of Round-Robin Cycle 1600 µs Digital Inputs and Digital Outputs VITH Logic Input Threshold VDD ≥ 1.8V l 0.5 1.4 V VOL Low Level Output Voltage (GPIO, SDA) I = 3mA, VDD ≥ 1.8V l 0.4 V IIN Input Leakage (GPIO, SCL, SDA) VIN = 5.5V l 0.001 1 µA CIN Input Capacitance (GPIO, SCL, SDA) (Note 8) l 10 pF tPCC Minimum Charge Complete (CC) Pulse Width 1 µs The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C (Note 2). |
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