Datasheet LTC2414, LTC2418 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | 8-/16-Channel 24-Bit No Latency ∆ΣTM ADCs |
| 页数 / 页 | 50 / 9 — Typical perForMance characTerisTics. Full-Scale Error vs Temperature. … |
| 文件格式/大小 | PDF / 892 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. Full-Scale Error vs Temperature. Full-Scale Error vs VCC. Full-Scale Error vs VREF
该数据表的模型线
文件文字版本
LTC2414/LTC2418
Typical perForMance characTerisTics Full-Scale Error vs Temperature Full-Scale Error vs VCC Full-Scale Error vs VREF
5 5 5 FO = GND ) 4 VCC = 5V ) 4 ) 4 V REF 3 REF = 5V V REF 3 REF 3 INCM = 2.5V +FS ERROR 2 +FS ERROR 2 2 F +FS ERROR 1 1 O = GND T 1 A = 25°C 0 0 VREF = 2.5V 0 VINCM = 0.5VREF –1 –1 REF– = GND –FS ERROR –1 –FS ERROR –2 –FS ERROR –2 –2 FO = GND –3 –3 –3 TA = 25°C V FULL-SCALE ERROR (ppm OF V CC = 5V –4 FULL-SCALE ERROR (ppm OF V –4 FULL-SCALE ERROR (ppm OF V –4 VINCM = 0.5VREF REF– = GND –5 –5 –5 –60 –40 –20 0 20 40 60 80 100 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 TEMPERATURE (°C) VCC (V) VREF (V) 241418 G19 241418 G20 241418 G21
PSRR vs Frequency at VCC PSRR vs Frequency at VCC PSRR vs Frequency at VCC
0 0 0 FO = GND FO = GND FO = GND T –20 TA = 25°C A = 25°C TA = 25°C V –20 –20 CC = 4.1VDC VCC = 4.1VDC ±1.4V VCC = 4.1VDC ±0.7VP-P REF+ = 2.5V REF+ = 2.5V REF+ = 2.5V –40 REF– = GND –40 REF– = GND –40 REF– = GND IN+ = GND IN+ = GND IN+ = GND –60 IN– = GND –60 IN– = GND –60 IN– = GND SDI = GND SDI = GND SDI = GND –80 –80 –80 REJECTION (dB) REJECTION (dB) REJECTION (dB) –100 –100 –100 –120 –120 –120 –140 –140 –140 1 10 100 1000 10000 100000 1000000 0 30 60 90 120 150 180 210 240 15250 15300 15350 15400 15450 FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) 241418 G22 241418 G23 241418 G24
Conversion Current Supply Current at Elevated Sleep Mode Current vs Temperature Output Rates (FO Over Driven) vs Temperature
240 1000 6 V CS = GND CS = VCC CC = 5.5V 230 900 FO = EXT OSC FO = GND 5 SCK = NC A) IN+ = GND A) 220 V 800 SDO = NC CC = 5V IN– = GND V A) CC = 5.5V SCK = NC SDI = GND 700 4 210 SDO = NC CS = GND 600 SDI = GND 200 F TA = 25°C 3 V O = GND CC = 5V SCK = NC 500 VREF = VCC 190 SDO = NC VCC = 3V SDI = GND 400 2 180 VCC = 3V SUPPLY CURRENT (μ V CONVERSION CURRENT (μ 300 CC = 5V SLEEP-MODE CURRENT (μ 1 170 V V CC = 2.7V 200 V CC = 2.7V CC = 3V 160 100 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) 241418 G25 241418 G26 241418 G27 241418fb For more information www.linear.com/LTC2414 9
Typical perForMance characTerisTics Full-Scale Error vs Temperature Full-Scale Error vs VCC Full-Scale Error vs VREF
5 5 5 FO = GND ) 4 VCC = 5V ) 4 ) 4 V REF 3 REF = 5V V REF 3 REF 3 INCM = 2.5V +FS ERROR 2 +FS ERROR 2 2 F +FS ERROR 1 1 O = GND T 1 A = 25°C 0 0 VREF = 2.5V 0 VINCM = 0.5VREF –1 –1 REF– = GND –FS ERROR –1 –FS ERROR –2 –FS ERROR –2 –2 FO = GND –3 –3 –3 TA = 25°C V FULL-SCALE ERROR (ppm OF V CC = 5V –4 FULL-SCALE ERROR (ppm OF V –4 FULL-SCALE ERROR (ppm OF V –4 VINCM = 0.5VREF REF– = GND –5 –5 –5 –60 –40 –20 0 20 40 60 80 100 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 TEMPERATURE (°C) VCC (V) VREF (V) 241418 G19 241418 G20 241418 G21
PSRR vs Frequency at VCC PSRR vs Frequency at VCC PSRR vs Frequency at VCC
0 0 0 FO = GND FO = GND FO = GND T –20 TA = 25°C A = 25°C TA = 25°C V –20 –20 CC = 4.1VDC VCC = 4.1VDC ±1.4V VCC = 4.1VDC ±0.7VP-P REF+ = 2.5V REF+ = 2.5V REF+ = 2.5V –40 REF– = GND –40 REF– = GND –40 REF– = GND IN+ = GND IN+ = GND IN+ = GND –60 IN– = GND –60 IN– = GND –60 IN– = GND SDI = GND SDI = GND SDI = GND –80 –80 –80 REJECTION (dB) REJECTION (dB) REJECTION (dB) –100 –100 –100 –120 –120 –120 –140 –140 –140 1 10 100 1000 10000 100000 1000000 0 30 60 90 120 150 180 210 240 15250 15300 15350 15400 15450 FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) 241418 G22 241418 G23 241418 G24
Conversion Current Supply Current at Elevated Sleep Mode Current vs Temperature Output Rates (FO Over Driven) vs Temperature
240 1000 6 V CS = GND CS = VCC CC = 5.5V 230 900 FO = EXT OSC FO = GND 5 SCK = NC A) IN+ = GND A) 220 V 800 SDO = NC CC = 5V IN– = GND V A) CC = 5.5V SCK = NC SDI = GND 700 4 210 SDO = NC CS = GND 600 SDI = GND 200 F TA = 25°C 3 V O = GND CC = 5V SCK = NC 500 VREF = VCC 190 SDO = NC VCC = 3V SDI = GND 400 2 180 VCC = 3V SUPPLY CURRENT (μ V CONVERSION CURRENT (μ 300 CC = 5V SLEEP-MODE CURRENT (μ 1 170 V V CC = 2.7V 200 V CC = 2.7V CC = 3V 160 100 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) 241418 G25 241418 G26 241418 G27 241418fb For more information www.linear.com/LTC2414 9