Datasheet LTC2414, LTC2418 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 8-/16-Channel 24-Bit No Latency ∆ΣTM ADCs |
| 页数 / 页 | 50 / 8 — Typical perForMance characTerisTics. RMS Noise vs Input Differential. … |
| 文件格式/大小 | PDF / 892 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. RMS Noise vs Input Differential. Voltage. RMS Noise vs VINCM
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LTC2414/LTC2418
Typical perForMance characTerisTics RMS Noise vs Input Differential Voltage RMS Noise vs VINCM RMS Noise vs Temperature (TA)
0.5 1.0 1.2 FO = GND TA = 25°C V 1.1 ) 0.4 CC = 5V V 0.9 REF = 5V REF VINCM = 2.5V 1.0 0.3 0.8 0.9 0.2 0.7 F 0.8 O = GND RMS NOISE (µV) TA = 25°C RMS NOISE (µV) VCC = 5V 0.7 FO = GND RMS NOISE (ppm OF V V 0.1 0.6 REF+ = 5V CC = 5V REF– = GND 0.6 VREF = 5V VIN = 0V VIN = 0V V VINCM = GND 0 0.5 INCM = GND 0.5 –2.5 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 –1 0 1 2 3 4 5 6 –50 –25 0 25 50 75 100 INPUT DIFFERENTIAL VOLTAGE (V) VINCM (V) TEMPERATURE (°C) 241418 G10 241418 G11 241418 G12
RMS Noise vs VCC RMS Noise vs VREF Offset Error vs VINCM
1.0 1.0 0 –0.1 0.9 0.9 ) –0.2 REF –0.3 0.8 0.8 –0.4 –0.5 0.7 0.7 –0.6 RMS NOISE (µV) FO = GND RMS NOISE (µV) FO = GND FO = GND T –0.7 A = 25°C TA = 25°C TA = 25°C 0.6 VIN = 0V 0.6 VCC = 5V –0.8 VCC = 5V V OFFSET ERROR (ppm OF V INCM = GND VIN = 0V REF+ = 5V REF+ = 2.5V VINCM = GND –0.9 REF– = GND REF– = GND REF– = GND V 0.5 0.5 IN = 0V –1.0 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 0 1 2 3 4 5 –1 0 1 2 3 4 5 6 VCC (V) VREF (V) VINCM (V) 241418 G13 241418 G14 241418 G15
Offset Error vs Temperature Offset Error vs VCC Offset Error vs VREF
0 1.0 1.0 FO = GND FO = GND FO = GND V 0.8 0.8 CC = 5V TA = 25°C TA = 25°C ) –0.1 VREF = 5V ) V ) 0.6 IN = 0V 0.6 VCC = 5V REF V REF VINCM = GND REF VIN = 0V –0.2 IN = 0V VINCM = GND 0.4 REF+ = 2.5V 0.4 VINCM = GND REF– = GND REF– = GND –0.3 0.2 0.2 0 0 –0.4 –0.2 –0.2 –0.5 –0.4 –0.4 OFFSET ERROR (ppm OF V OFFSET ERROR (ppm OF V –0.6 OFFSET ERROR (ppm OF V –0.6 –0.6 –0.8 –0.8 –0.7 –1.0 –1.0 –45 –30 –15 0 15 30 45 60 75 90 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 0 1 2 3 4 5 TEMPERATURE (°C) VCC (V) VREF (V) 241418 G16 241418 G17 241418 G18 241418fb 8 For more information www.linear.com/LTC2414
Typical perForMance characTerisTics RMS Noise vs Input Differential Voltage RMS Noise vs VINCM RMS Noise vs Temperature (TA)
0.5 1.0 1.2 FO = GND TA = 25°C V 1.1 ) 0.4 CC = 5V V 0.9 REF = 5V REF VINCM = 2.5V 1.0 0.3 0.8 0.9 0.2 0.7 F 0.8 O = GND RMS NOISE (µV) TA = 25°C RMS NOISE (µV) VCC = 5V 0.7 FO = GND RMS NOISE (ppm OF V V 0.1 0.6 REF+ = 5V CC = 5V REF– = GND 0.6 VREF = 5V VIN = 0V VIN = 0V V VINCM = GND 0 0.5 INCM = GND 0.5 –2.5 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 –1 0 1 2 3 4 5 6 –50 –25 0 25 50 75 100 INPUT DIFFERENTIAL VOLTAGE (V) VINCM (V) TEMPERATURE (°C) 241418 G10 241418 G11 241418 G12
RMS Noise vs VCC RMS Noise vs VREF Offset Error vs VINCM
1.0 1.0 0 –0.1 0.9 0.9 ) –0.2 REF –0.3 0.8 0.8 –0.4 –0.5 0.7 0.7 –0.6 RMS NOISE (µV) FO = GND RMS NOISE (µV) FO = GND FO = GND T –0.7 A = 25°C TA = 25°C TA = 25°C 0.6 VIN = 0V 0.6 VCC = 5V –0.8 VCC = 5V V OFFSET ERROR (ppm OF V INCM = GND VIN = 0V REF+ = 5V REF+ = 2.5V VINCM = GND –0.9 REF– = GND REF– = GND REF– = GND V 0.5 0.5 IN = 0V –1.0 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 0 1 2 3 4 5 –1 0 1 2 3 4 5 6 VCC (V) VREF (V) VINCM (V) 241418 G13 241418 G14 241418 G15
Offset Error vs Temperature Offset Error vs VCC Offset Error vs VREF
0 1.0 1.0 FO = GND FO = GND FO = GND V 0.8 0.8 CC = 5V TA = 25°C TA = 25°C ) –0.1 VREF = 5V ) V ) 0.6 IN = 0V 0.6 VCC = 5V REF V REF VINCM = GND REF VIN = 0V –0.2 IN = 0V VINCM = GND 0.4 REF+ = 2.5V 0.4 VINCM = GND REF– = GND REF– = GND –0.3 0.2 0.2 0 0 –0.4 –0.2 –0.2 –0.5 –0.4 –0.4 OFFSET ERROR (ppm OF V OFFSET ERROR (ppm OF V –0.6 OFFSET ERROR (ppm OF V –0.6 –0.6 –0.8 –0.8 –0.7 –1.0 –1.0 –45 –30 –15 0 15 30 45 60 75 90 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 0 1 2 3 4 5 TEMPERATURE (°C) VCC (V) VREF (V) 241418 G16 241418 G17 241418 G18 241418fb 8 For more information www.linear.com/LTC2414