Datasheet LTC2450-1 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | Easy-to-Use, Ultra-Tiny 16-Bit ΔΣ ADC |
| 页数 / 页 | 20 / 4 — TYPICAL PERFORMANCE CHARACTERISTICS. Integral Nonlinearity. Maximum INL … |
| 文件格式/大小 | PDF / 208 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Integral Nonlinearity. Maximum INL vs Temperature. Offset Error vs Temperature
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LTC2450-1
TYPICAL PERFORMANCE CHARACTERISTICS Integral Nonlinearity Integral Nonlinearity Maximum INL vs Temperature
3.0 3.0 5.0 VCC = VREF = 5V V 2.5 CC = VREF = 3V 2.5 4.5 2.0 2.0 4.0 1.5 1.5 3.5 1.0 1.0 0.5 3.0 0.5 0 0 TA = –45°C, 25°C, 90°C 2.5 VCC = 5V INL (LSB) –0.5 TA = –45°C, 25°C, 90°C INL (LSB) –0.5 INL (LSB) 2.0 –1.0 –1.0 1.5 VCC = 4.1V –1.5 –1.5 1.0 VCC = 3V –2.0 –2.0 –2.5 0.5 –2.5 –3.0 –3.0 0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 0.5 1.0 1.5 2.0 2.5 3.0 –50 –25 0 25 50 75 100 INPUT VOLTAGE (V) INPUT VOLTAGE (V) TEMPERATURE (°C) 24501 G01 24501 G02 24501 G03
Offset Error vs Temperature Gain Error vs Temperature Transition Noise vs Temperature
7 5 3.00 VCC = 4.1V 2.75 6 4 2.50 V) 2.25 5 VCC = 2.7V 3 2.00 4 1.75 V V CC = 5.5V VCC = 2.7V CC = 5V V 2 1.50 CC = 4.1V 3 VCC = 5.5V 1.25 OFFSET (LSB) V 1 1.00 CC = 3V 2 GAIN ERROR (LSB) 0.50 TRANSITION NOISE RMS (μ 0.75 1 0 V 0.25 CC = 4.1V 0 –1 0 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 –50 –30 –10 10 30 50 70 90 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 24501 G04 24501 G05 24501 G06
Conversion Mode Power Supply Transition Noise vs Output Code Current vs Temperature
3.00 500 T 2.75 A = 25°C 2.50 VCC = 5V V) 400 2.25 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 (μ CONVERSION CURRENT (μA) 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) 24501 G07 24501 G08 24501fc 4
TYPICAL PERFORMANCE CHARACTERISTICS Integral Nonlinearity Integral Nonlinearity Maximum INL vs Temperature
3.0 3.0 5.0 VCC = VREF = 5V V 2.5 CC = VREF = 3V 2.5 4.5 2.0 2.0 4.0 1.5 1.5 3.5 1.0 1.0 0.5 3.0 0.5 0 0 TA = –45°C, 25°C, 90°C 2.5 VCC = 5V INL (LSB) –0.5 TA = –45°C, 25°C, 90°C INL (LSB) –0.5 INL (LSB) 2.0 –1.0 –1.0 1.5 VCC = 4.1V –1.5 –1.5 1.0 VCC = 3V –2.0 –2.0 –2.5 0.5 –2.5 –3.0 –3.0 0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 0.5 1.0 1.5 2.0 2.5 3.0 –50 –25 0 25 50 75 100 INPUT VOLTAGE (V) INPUT VOLTAGE (V) TEMPERATURE (°C) 24501 G01 24501 G02 24501 G03
Offset Error vs Temperature Gain Error vs Temperature Transition Noise vs Temperature
7 5 3.00 VCC = 4.1V 2.75 6 4 2.50 V) 2.25 5 VCC = 2.7V 3 2.00 4 1.75 V V CC = 5.5V VCC = 2.7V CC = 5V V 2 1.50 CC = 4.1V 3 VCC = 5.5V 1.25 OFFSET (LSB) V 1 1.00 CC = 3V 2 GAIN ERROR (LSB) 0.50 TRANSITION NOISE RMS (μ 0.75 1 0 V 0.25 CC = 4.1V 0 –1 0 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 –50 –30 –10 10 30 50 70 90 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 24501 G04 24501 G05 24501 G06
Conversion Mode Power Supply Transition Noise vs Output Code Current vs Temperature
3.00 500 T 2.75 A = 25°C 2.50 VCC = 5V V) 400 2.25 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 (μ CONVERSION CURRENT (μA) 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) 24501 G07 24501 G08 24501fc 4