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LTC2499IUHFPBF Datasheet(PDF) 8 Page - Linear Technology |
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LTC2499IUHFPBF Datasheet(HTML) 8 Page - Linear Technology |
8 / 34 page LTC2499 8 2499fc TYPICAL PERFORMANCE CHARACTERISTICS On-Chip Oscillator Frequency vs Temperature On-Chip Oscillator Frequency vs VCC PSRR vs Frequency at VCC PSRR vs Frequency at VCC PSRR vs Frequency at VCC Conversion Current vs Temperature TEMPERATURE (°C) –45 –30 300 304 310 –15 30 45 2499 G19 302 308 306 15 0 60 75 90 VCC = 4.1V VREF = 2.5V VIN = 0V VIN(CM) = GND fO = GND VCC (V) 2.5 300 302 304 306 308 310 3.0 3.5 4.0 4.5 2499 G20 5.0 5.5 VREF = 2.5V VIN = 0V VIN(CM) = GND fO = GND TA = 25°C FREQUENCY AT VCC (Hz) 1 0 –20 –40 –60 –80 –100 –120 –140 1k 100k 2499 G21 10 100 10k 1M VCC = 4.1V DC VREF = 2.5V IN+ = GND IN– = GND fO = GND TA = 25°C FREQUENCY AT VCC (Hz) 0 –140 –120 –80 –60 –40 0 20 100 140 2499 G22 –100 –20 80 180 220 200 40 60 120 160 VCC = 4.1V DC ±1.4V VREF = 2.5V IN+ = GND IN– = GND fO = GND TA = 25°C FREQUENCY AT VCC (Hz) 30600 –60 –40 0 30750 2499 G23 –80 –100 30650 30700 30800 –120 –140 –20 VCC = 4.1V DC ±0.7V VREF = 2.5V IN+ = GND IN– = GND fO = GND TA = 25°C TEMPERATURE (°C) –45 100 120 160 180 200 –15 15 30 90 2499 G24 140 –30 0 45 60 75 VCC = 5V VCC = 2.7V fO = GND Offset Error vs VCC Offset Error vs VREF VCC (V) 2.7 0.1 0.2 0.3 3.9 4.7 2499 G17 0 –0.1 3.1 3.5 4.3 5.1 5.5 –0.2 –0.3 REF+ = 2.5V REF– = GND VIN = 0V VIN(CM) = GND TA = 25°C fO = GND VREF (V) 0 –0.3 –0.2 –0.1 0 0.1 0.2 0.3 123 4 2499 G18 5 VCC = 5V REF– = GND VIN = 0V VIN(CM) = GND TA = 25°C fO = GND |
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