Datasheet LTC2411, LTC2411-1 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | 24-Bit No Latency ∆Σ™ ADC with Differential Input and Reference in MSOP |
| 页数 / 页 | 42 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS. Conversion Current. Sleep Mode … |
| 文件格式/大小 | PDF / 598 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Conversion Current. Sleep Mode Current. vs Temperature. vs Output Data Rate
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文件文字版本
LTC2411/LTC2411-1
TYPICAL PERFORMANCE CHARACTERISTICS Conversion Current Conversion Current Sleep Mode Current vs Temperature vs Output Data Rate vs Temperature
240 650 5 FO = GND REF+ = VCC FO = GND 230 CS = GND 600 REF– = GND CS = VCC SCK = NC IN+ = GND 550 4 SCK = NC 220 SDO = NC VCC = 5.5V IN– = GND SDO = NC 500 TA = 25°C 210 SCK = NC VCC = 5.5V 450 SDO = NC 3 VCC = 5V CS = GND 200 400 FO = EXT OSC 190 350 2 VCC = 5V VCC = 5V V 300 CC = 3V SUPPLY CURRENT (µA) CONVERSION CURRENT (µA) 180 250 SLEEP MODE CURRENT (µA) 1 VCC = 3V 170 VCC = 2.7V 200 VCC = 3V VCC = 2.7V 160 150 0 –45 –30 –15 0 15 30 45 60 75 90 0 5 10 15 20 25 –45 –30 –15 0 15 30 45 60 75 90 TEMPERATURE (°C) OUTPUT DATA RATE (READINGS/SEC) TEMPERATURE (°C) 2411 G25 2411 G26 2411 G27
Resolution (NOISERMS ≤ 1LSB) Resolution (INLMAX ≤ 1LSB) Offset Error vs Output Data Rate vs Output Data Rate vs Output Data Rate
40 22 22 V 20 VREF = 5V REF = 2.5V ) V 20 REF = 2.5V REF 0 21 V V REF = 5V REF = 5V 18 –20 VREF = 2.5V –40 20 16 V VCC = 5V –60 CC = 5V VCC = 5V REF– = GND REF– = GND REF– = GND RESOLUTION (BITS) VINCM = 2.5V RESOLUTION (BITS) 14 VINCM = 2.5V –80 VINCM = 2.5V 19 VIN = 0V VIN = 0V OFFSET ERROR (ppm OF V VIN = 0V FO = EXT OSC 12 FO = EXT OSC –100 FO = EXT OSC RES = LOG2(VREF/NOISERMS) RES = LOG2(VREF/INLMAX) TA = 25°C TA = 25°C TA = 25°C –120 18 10 0 5 10 15 20 25 0 5 10 15 20 25 0 5 10 15 20 25 OUTPUT DATA RATE (READINGS/SEC) OUTPUT DATA RATE (READINGS/SEC) OUTPUT DATA RATE (READINGS/SEC) 2411 G28 2411 G29 2411 G30 2411fa For more information www.linear.com/LTC2411 9
TYPICAL PERFORMANCE CHARACTERISTICS Conversion Current Conversion Current Sleep Mode Current vs Temperature vs Output Data Rate vs Temperature
240 650 5 FO = GND REF+ = VCC FO = GND 230 CS = GND 600 REF– = GND CS = VCC SCK = NC IN+ = GND 550 4 SCK = NC 220 SDO = NC VCC = 5.5V IN– = GND SDO = NC 500 TA = 25°C 210 SCK = NC VCC = 5.5V 450 SDO = NC 3 VCC = 5V CS = GND 200 400 FO = EXT OSC 190 350 2 VCC = 5V VCC = 5V V 300 CC = 3V SUPPLY CURRENT (µA) CONVERSION CURRENT (µA) 180 250 SLEEP MODE CURRENT (µA) 1 VCC = 3V 170 VCC = 2.7V 200 VCC = 3V VCC = 2.7V 160 150 0 –45 –30 –15 0 15 30 45 60 75 90 0 5 10 15 20 25 –45 –30 –15 0 15 30 45 60 75 90 TEMPERATURE (°C) OUTPUT DATA RATE (READINGS/SEC) TEMPERATURE (°C) 2411 G25 2411 G26 2411 G27
Resolution (NOISERMS ≤ 1LSB) Resolution (INLMAX ≤ 1LSB) Offset Error vs Output Data Rate vs Output Data Rate vs Output Data Rate
40 22 22 V 20 VREF = 5V REF = 2.5V ) V 20 REF = 2.5V REF 0 21 V V REF = 5V REF = 5V 18 –20 VREF = 2.5V –40 20 16 V VCC = 5V –60 CC = 5V VCC = 5V REF– = GND REF– = GND REF– = GND RESOLUTION (BITS) VINCM = 2.5V RESOLUTION (BITS) 14 VINCM = 2.5V –80 VINCM = 2.5V 19 VIN = 0V VIN = 0V OFFSET ERROR (ppm OF V VIN = 0V FO = EXT OSC 12 FO = EXT OSC –100 FO = EXT OSC RES = LOG2(VREF/NOISERMS) RES = LOG2(VREF/INLMAX) TA = 25°C TA = 25°C TA = 25°C –120 18 10 0 5 10 15 20 25 0 5 10 15 20 25 0 5 10 15 20 25 OUTPUT DATA RATE (READINGS/SEC) OUTPUT DATA RATE (READINGS/SEC) OUTPUT DATA RATE (READINGS/SEC) 2411 G28 2411 G29 2411 G30 2411fa For more information www.linear.com/LTC2411 9