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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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ADS5122 bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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ADS5122 bảng dữ liệu(HTML) 3 Page - Texas Instruments |
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3 / 21 page  ADS5122 3 SBAS272E www.ti.com ADS5122 DC CHARACTERISTICS AVDD = DVDD = 1.8V, DRVDD = 3.3V, 50% Clock Duty Cycle, CLK = 40MSPS, Analog Input at –0.5dBFS Input Span, Internal Voltage Reference, IREFR = 6.8kΩ, TMIN = −40°C, TMAX = +85°C, and typical values at TA = 25°C, unless otherwise noted. PARAMETER CONDITION MIN TYP MAX UNITS RESOLUTION 10 Bits DC ACCURACY Differential Nonlinearity (DNL) –0.9 ±0.4 +1.0 LSB Integral Nonlinearity (INL) –2.5 ±1.0 +2.5 LSB No Missing Codes Tested Gain Error External Reference –1.0 0.1 +1.0 %FSR Offset Error External Reference 0.2 +2.5 %FSR Gain Temperature Coefficient 6 ppm/ °C Gain Matching ±0.7 %FSR ANALOG INPUT Input Voltage Range (AIN+, AIN–) REFB REFT V Input Voltage, Differential Full-Scale 1VPP Input Common-Mode Range (REFT + REFB) / 2 V Input Resistance, RIN fCLK = 65MSPS 20 k Ω Input Capacitance, CIN 5pF INTERNAL REFERENCE VOLTAGES Reference, Top (REFT) 1.30 1.35 1.42 V Reference, Bottom (REFB) 0.76 0.82 0.87 V Int Reference Temperature Coefficient 10 ppm/ °C EXTERNAL REFERENCE GENERATION Reference, Top (REFT) 1.15 1.25 1.35 V Reference, Bottom (REFB) 0.65 0.75 0.85 V Input Resistance, REFRIN (between REFB and REFT) 80 Ω POWER SUPPLY fIN = 3.5MHz Operating Supply Current, IDD 357 375 mA Analog Operating Supply Current, IAVDD 226 245 mA Digital Operating Supply Current, IDVDD 64 74 mA Driver Operating Supply Current, IDRVDD CL = 20pF, 3.3V 60 70 mA CL = 20pF, 1.8V 31 40 mA Operating Voltage AVDD 1.65 1.8 2.0 V DVDD 1.65 1.8 2.0 V DRVDD 1.65 1.8 3.6 V Power Dissipation DRVDD = 3.3V 733 800 mW DRVDD = 1.8V 590 615 mW Power Standby CLK Running 68 mW CLK Stopped 54 mW PDREF = 1, External REF, CLK Running 14 18 mW PDREF = 1, External REF, CLK Stopped 1.6 5 mW Power-Supply Rejection Ratio, PSRR ±5%, AV DD 5mV/V ADS5122 DC CHARACTERISTICS AVDD = DVDD = 1.8V, DRVDD = 3.3V, 50% Clock Duty Cycle, CLK = 40MSPS, Analog Input at –0.5dBFS Input Span, Internal Voltage Reference, IREFR = 6.8kΩ, TMIN = −40°C, TMAX = +85°C, and typical values at TA = 25°C, unless otherwise noted. PARAMETER CONDITION MIN TYP MAX UNITS DIGITAL INPUTS (STBY A-H, PDREF, OE, CLK) DRVDD = 3.3V/1.8V High-Level Input Voltage, VIH VIH = DRVDD 0.70 • DRVDD V Low-Level Input Voltage, VIL VIL = 0V 0.25 • DRVDD V High-Level Input Current, IIH ±1 µA Low-Level Input Current, IIL ±1 µA DIGITAL INPUTS (DCASEL) High-Level Input Voltage, VIH VIH = DVDD 0.70 • DVDD V Low-Level Input Voltage, VIL VIL = 0V 0.25 • DVDD V High-Level Input Current, IIH ±1 µA Low-Level Input Current, IIL ±1 µA DIGITAL OUTPUTS (DRVDD = 3.3/1.8V) High-Level Output Voltage, VOH IOH = –50µA 0.8 • DRVDD V Low-Level Output Voltage, VOL IOL = 50µA 0.2 • DRVDD V External Load Capacitance, CL 15 pF 3-State Leakage Current, ILEAK OE = HIGH ±1 µA |
Số phần tương tự - ADS5122 |
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Mô tả tương tự - ADS5122 |
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