Datasheet LTC2411, LTC2411-1 (Analog Devices) - 8

制造商Analog Devices
描述24-Bit No Latency ∆Σ™ ADC with Differential Input and Reference in MSOP
页数 / 页42 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. +Full-Scale Error vs Temperature. …
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TYPICAL PERFORMANCE CHARACTERISTICS. +Full-Scale Error vs Temperature. –Full-Scale Error vs Temperature

TYPICAL PERFORMANCE CHARACTERISTICS +Full-Scale Error vs Temperature –Full-Scale Error vs Temperature

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LTC2411/LTC2411-1
TYPICAL PERFORMANCE CHARACTERISTICS +Full-Scale Error vs Temperature –Full-Scale Error vs Temperature –Full-Scale Error vs Temperature
5 3 5 VCC = 2.7V ) 4 REF+ = 2.5V ) 4 REF 2 3 REF– = GND REF REF IN+ = 1.25V 3 2 IN– = GND 2 F 1 O = GND 1 1 0 0 0 –1 –1 –1 VCC = 5V VCC = 2.7V –2 REF+ = 5V –2 REF+ = 2.5V REF– = GND REF– = GND –3 IN+ = GND –3 IN+ = GND FULL-SCALE ERROR (ppm OF V –2 –4 –FULL-SCALE ERROR (ppm OF V IN– = 2.5V –FULL-SCALE ERROR (ppm OF V –4 IN– = 1.25V FO = GND FO = GND –5 –3 –5 –45 –30 –15 0 15 30 45 60 75 90 –45 –30 –15 0 15 30 45 60 75 90 –45 –30 –15 0 15 30 45 60 75 90 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 2411 G19 2411 G20 2411 G21
PSRR vs Frequency at VCC PSRR vs Frequency at VCC PSRR vs Frequency at VCC (LTC2411) (LTC2411) (LTC2411)
0 0 0 VCC = 4.1V DC VCC = 4.1V DC ±1.4V VCC = 4.1V DC ±0.7VP-P REF+ = 2.5V REF+ = 2.5V REF+ = 2.5V –20 REF– = GND –20 REF– = GND –20 REF– = GND IN+ = GND IN+ = GND IN+ = GND –40 IN– = GND –40 IN– = GND –40 IN– = GND FO = GND FO = GND FO = GND –60 TA = 25°C –60 TA = 25°C –60 TA = 25°C –80 –80 –80 REJECTION (dB) REJECTION (dB) REJECTION (dB) –100 –100 –100 –120 –120 –120 –140 –140 –140 1 10 100 1k 10k 100k 1M 0 30 60 90 120 150 180 210 240 7600 7650 7700 7750 7800 FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) 2411 G22 2411 G23 2411 G24
PSRR vs Frequency at VCC PSRR vs Frequency at VCC PSRR vs Frequency at VCC (LTC2411-1) (LTC2411-1) (LTC2411-1)
0 0 0 VCC = 4.1V DC VCC = 4.1V DC ±1.4V VCC = 4.1V DC ±0.7V REF+ = 2.5V REF+ = 2.5V REF+ = 2.5V –20 –20 REF– = GND REF– = GND –20 REF– = GND IN+ = GND IN+ = GND IN+ = GND –40 IN– = GND –40 IN– = GND –40 IN– = GND FO = GND FO = GND FO = GND –60 TA = 25°C –60 TA = 25°C –60 TA = 25°C –80 –80 –80 REJECTION (dB) REJECTION (dB) REJECTION (dB) –100 –100 –100 –120 –120 –120 –140 –140 –140 1 10 100 1k 10k 100k 1M 0 20 40 60 80 100 120 140 160 180 200 220 6880 6930 6980 7030 7080 FREQUECY AT VCC (Hz) FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) 2411 G31 2411 G32 2411 G33 2411fa 8 For more information www.linear.com/LTC2411