Datasheet LTC2450 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Easy-to-Use, Ultra-Tiny 16-Bit ΔΣ ADC |
| 页数 / 页 | 20 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Conversion Mode Power Supply. … |
| 文件格式/大小 | PDF / 207 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Conversion Mode Power Supply. Transition Noise vs Output Code. Current vs Temperature
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LTC2450
TYPICAL PERFORMANCE CHARACTERISTICS Conversion Mode Power Supply Transition Noise vs Output Code Current vs Temperature
3.00 500 T 2.75 A = 25°C V 2.50 CC = 5V V) 400 μ A) 2.25 μ 2.00 VCC = 3V 1.75 300 V V CC = 5V CC = 4.1V 1.50 1.25 200 V 1.00 CC = 3V 0.50 TRANSITION NOISE RMS ( CONVERSION CURRENT ( 100 0.75 0.25 0 0 0 0.20 0.40 0.60 0.80 1.00 –45 –25 –5 15 35 55 75 95 OUTPUT CODE (NORMALIZED TO FULL SCALE) TEMPERATURE (°C) 2450 G07 2450 G08
Sleep Mode Power Supply Average Power Dissipation Current vs Temperature vs Temperature, VCC = 3V
250 10000 W) 200 μ V 25Hz OUTPUT SAMPLE RATE CC = 5V TION ( A 1000 150 10Hz OUTPUT SAMPLE RATE V 100 CC = 4.1V 100 1Hz OUTPUT SAMPLE RATE SLEEP MODE CURRENT (nA) 50 VCC = 3V VERAGE POWER DISSIP A 0 10 –45 –25 –5 15 35 55 75 95 –50 –25 0 25 50 75 100 TEMPERATURE (°C) TEMPERATURE (°C) 2450 G09 2450 G10
Conversion Period vs Temperature
42 40 38 VCC = 5V, 4.1V, 3V 36 34 CONVERSION TIME (ms) 32 30 –45 –25 –5 15 35 55 75 95 TEMPERATURE (°C) 2450 G11 2450fb 5
TYPICAL PERFORMANCE CHARACTERISTICS Conversion Mode Power Supply Transition Noise vs Output Code Current vs Temperature
3.00 500 T 2.75 A = 25°C V 2.50 CC = 5V V) 400 μ A) 2.25 μ 2.00 VCC = 3V 1.75 300 V V CC = 5V CC = 4.1V 1.50 1.25 200 V 1.00 CC = 3V 0.50 TRANSITION NOISE RMS ( CONVERSION CURRENT ( 100 0.75 0.25 0 0 0 0.20 0.40 0.60 0.80 1.00 –45 –25 –5 15 35 55 75 95 OUTPUT CODE (NORMALIZED TO FULL SCALE) TEMPERATURE (°C) 2450 G07 2450 G08
Sleep Mode Power Supply Average Power Dissipation Current vs Temperature vs Temperature, VCC = 3V
250 10000 W) 200 μ V 25Hz OUTPUT SAMPLE RATE CC = 5V TION ( A 1000 150 10Hz OUTPUT SAMPLE RATE V 100 CC = 4.1V 100 1Hz OUTPUT SAMPLE RATE SLEEP MODE CURRENT (nA) 50 VCC = 3V VERAGE POWER DISSIP A 0 10 –45 –25 –5 15 35 55 75 95 –50 –25 0 25 50 75 100 TEMPERATURE (°C) TEMPERATURE (°C) 2450 G09 2450 G10
Conversion Period vs Temperature
42 40 38 VCC = 5V, 4.1V, 3V 36 34 CONVERSION TIME (ms) 32 30 –45 –25 –5 15 35 55 75 95 TEMPERATURE (°C) 2450 G11 2450fb 5