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LTC2410IGN 数据表(PDF) 7 Page - Linear Technology |
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LTC2410IGN 数据表(HTML) 7 Page - Linear Technology |
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7 / 48 page ![]() LTC2410 7 TYPICAL PERFOR A CE CHARACTERISTICS OUTPUT CODE (ppm OF VREF) –1.6 –0.8 0 0.8 1.6 2410 G10 12 10 8 6 4 2 0 10,000 CONSECUTIVE READINGS VCC = 5V VREF = 2.5V VIN = 0V REF + = 2.5V REF – = GND IN+ = 1.25V IN– = 1.25V FO = GND TA = 25°C GAUSSIAN DISTRIBUTION m = 0.033ppm σ = 0.293ppm OUTPUT CODE (ppm OF VREF) –1.6 –1.2 –0.8 –0.4 0 0.4 0.8 1.2 1.6 2410 G11 12 10 8 6 4 2 0 10,000 CONSECUTIVE READINGS VCC = 5V VREF = 2.5V VIN = 0V REF + = 2.5V REF – = GND IN+ = 1.25V IN– = 1.25V FO = 460800Hz TA = 25°C GAUSSIAN DISTRIBUTION m = 0.014ppm σ = 0.292ppm OUTPUT CODE (ppm OF VREF) –5.5 –5.1 –4.7 –4.3 –3.9 –3.5 –3.1 –2.7 –2.3 2410 G12 12 10 8 6 4 2 0 10,000 CONSECUTIVE READINGS VCC = 5V VREF = 2.5V VIN = 0V REF + = 2.5V REF – = GND IN+ = 1.25V IN– = 1.25V FO = 1075200Hz TA = 25°C GAUSSIAN DISTRIBUTION m = 3.852ppm σ = 0.326ppm OUTPUT CODE (ppm OF VREF) –1.6 –1.2 –0.8 –0.4 0 0.4 0.8 1.2 1.6 2410 G13 12 10 8 6 4 2 0 10,000 CONSECUTIVE READINGS VCC = 2.7V VREF = 2.5V VIN = 0V REF + = 2.5V REF – = GND IN+ = 1.25V IN– = 1.25V FO = GND TA = 25°C GAUSSIAN DISTRIBUTION m = 0.079ppm σ = 0.298ppm OUTPUT CODE (ppm OF VREF) –1.6 –1.2 –0.8 –0.4 0 0.4 0.8 1.2 1.6 2410 G14 12 10 8 6 4 2 0 10,000 CONSECUTIVE READINGS VCC = 2.7V VREF = 2.5V VIN = 0V REF + = 2.5V REF – = GND IN+ = 1.25V IN– = 1.25V FO = 460800Hz TA = 25°C GAUSSIAN DISTRIBUTION m = 0.177ppm σ = 0.297ppm OUTPUT CODE (ppm OF VREF) –10 –8.5 –7 –5.5 –4 –2.5 –1 0.5 2 2410 G15 10 9 8 7 6 5 4 3 2 1 0 10,000 CONSECUTIVE READINGS VCC = 2.7V VREF = 2.5V VIN = 0V REF + = 2.5V REF – = GND IN+ = 1.25V IN– = 1.25V FO = 1075200Hz TA = 25°C GAUSSIAN DISTRIBUTION m = 3.714ppm σ = 1.295ppm OUTPUT CODE (ppm OF VREF) –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 2410 G16 12 10 8 6 4 2 0 ADC CONSECUTIVE READINGS VCC = 5V VREF = 5V VIN = 0V REF + = 5V REF – = GND IN+ = 2.5V IN– = 2.5V FO = GND TA = 25°C GAUSSIAN DISTRIBUTION m = 0.101837ppm σ = 0.154515ppm TIME (HOURS) 0 5 10 15 20 25 30 35 40 45 50 55 60 2410 G17 1.0 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 VCC = 5V VREF = 5V VIN = 0V FO = GND TA = 25°C REF + = 5V REF – = GND IN+ = 2.5V IN– = 2.5V INPUT DIFFERENTIAL VOLTAGE (V) –2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 2.5 2410 G18 0.5 0.4 0.3 0.2 0.1 0 VCC = 5V VREF = 5V REF + = 5V REF – = GND VINCM = 2.5V FO = GND TA = 25°C Noise Histogram (Output Rate = 52.5Hz, VCC = 5V, VREF = 2.5V) Noise Histogram (Output Rate = 22.5Hz, VCC = 5V, VREF = 2.5V) Noise Histogram (Output Rate = 7.5Hz, VCC = 5V, VREF = 2.5V) Noise Histogram (Output Rate = 52.5Hz, VCC = 2.7V, VREF = 2.5V) Noise Histogram (Output Rate = 22.5Hz, VCC = 2.7V, VREF = 2.5V) Noise Histogram (Output Rate = 7.5Hz, VCC = 2.7V, VREF = 2.5V) RMS Noise vs Input Differential Voltage Consecutive ADC Readings vs Time Long-Term Noise Histogram (Time = 60 Hrs, VCC = 5V, VREF = 5V) |
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