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ADS8325IDGKT bảng dữ liệu(PDF) 4 Page - Burr-Brown (TI) |
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ADS8325IDGKT bảng dữ liệu(HTML) 4 Page - Burr-Brown (TI) |
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4 / 21 page  ADS8325 4 SBAS226A www.ti.com ELECTRICAL CHARACTERISTICS: VDD = +2.7V Over recommended operating free-air temperature at –40 °C to +85°C, V REF = +2.5V, –IN = GND, fSAMPLE = 100kHz, and fCLK = 24 • fSAMPLE, unless otherwise noted. ADS8325I ADS8325IB PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS ANALOG INPUT Full-Scale Range FSR +IN – (–IN) 0 VREF ✻✻ V Operating Common-Mode Signal –0.3 0.5 ✻✻ V Input Resistance –IN = GND 5 ✻ G Ω Input Capacitance –IN = GND, During Sampling 45 ✻ pF Input Leakage Current –IN = GND ±50 ✻ nA Differential Input Capacitance +IN to –IN, During Sampling 20 ✻ pF Full-Power Bandwith FSBW fS Sinewave, SINAD at –3dB 4 ✻ kHz DC ACCURACY Resolution 16 ✻ Bits No Missing Code NMC 14 15 Bits Integral Linearity Error INL ±3 ±6 ±1.5 ±4LSB Offset Error VOS ±0.75 ±1.5 ±0.5 ±1mV Offset Error Drift TCVOS ±3 ✻ ppm/ °C Gain Error GERR ±33 ±16 LSB Gain Error Drift TCGERR ±0.3 ✻ ppm/ °C Noise 20 ✻ µVRMS Power-Supply Rejection 2.7V ≤ V DD ≤ 3.6V 7 ✻ LSB SAMPLING DYNAMICS Conversion Time tCONV 24kHz < fCLK ≤ 2.4MHz 6.667 666.7 µs Acquisition Time tAQ fCLK = 2.4MHz 1.875 µs Throughout Rate 100 kSPS Clock Frequency 0.024 2.4 MHz AC ACCURACY Total Harmonic Distortion THD 2.5Vp-p Sinewave, at 1kHz –94 ✻ dB Spurious-Free Dynamic Range SFDR 2.5Vp-p Sinewave, at 1kHz –96 ✻ dB Signal-to-Noise Ratio SNR –85 –86 dB Signal-to-Noise + Distortion SINAD 2.5Vp-p Sinewave, at 1kHz –85 –85.5 dB Effective Number of Bits ENOB 13.8 13.9 Bits VOLTAGE REFERENCE INPUT Reference Voltage 2.5 VDD + 0.3 ✻✻ V Reference Input Resistance CS = GND, fSAMPLE = 0Hz 5 ✻ k Ω CS = VDD 5 ✻ G Ω Reference Input Capacitance 20 ✻ pF Reference Input Current 0.5 0.75 ✻✻ mA CS = VDD 0.1 ✻ µA DIGITAL INPUTS(1) Logic Family LVCMOS ✻ High-Level Input Voltage VIH VDD = 3.6V 2 VDD + 0.3 ✻✻ V Low-Level Input Voltage VIL VDD = 2.7V –0.3 0.8 ✻✻ V Input Current IIN VI = VDD or GND ±50 ✻✻ nA Input Capacitance CI 5 ✻ pF DIGITAL OUTPUTS(1) Logic Family LVCMOS ✻ High-Level Output Voltage VOH VDD = 2.7V, IOH = –100µA VDD – 0.2 ✻ V Low-Level Output Voltage VOL VDD = 2.7V, IOL = 100µA 0.2 ✻ V High-Impedance-State Output Current IOZ CS = VDD, VI = VDD or GND ±50 ✻✻ nA Output Capacitance CO 5 ✻ pF Load Capacitance CL 30 ✻ pF Data Format Straight Binary ✻ ✻ indicates the same specifications as the ADS8325I. NOTE: (1) Applies for 3.0V nominal supply: VDD (min) = 2.7V and VDD (max) = 3.6V. |
Số phần tương tự - ADS8325IDGKT |
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Mô tả tương tự - ADS8325IDGKT |
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