Datasheet LTC2497 (Analog Devices) - 8

LTC2497
Typical perForMance characTerisTics PSRR vs Frequency at VCC PSRR vs Frequency at VCC PSRR vs Frequency at VCC
0 0 0 VCC = 4.1V DC VCC = 4.1V DC ±1.4V VCC = 4.1V DC ±0.7V V V V –20 REF = 2.5V REF = 2.5V REF = 2.5V IN+ = GND –20 IN+ = GND –20 IN+ = GND IN– = GND IN– = GND IN– = GND –40 fO = GND –40 fO = GND –40 fO = GND TA = 25°C TA = 25°C TA = 25°C –60 –60 –60 –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 30600 30650 30700 30750 30800 FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) 2497 G13 2497 G14 2497 G15
Conversion Current Sleep Mode Current Conversion Current vs Temperature vs Temperature vs Output Data Rate
200 2.0 500 fO = GND fO = GND VREF = VCC SCL = 0 1.8 SCL = 0 450 IN+ = GND SDA = 1 IN– = GND 180 1.6 SDA = 1 400 SCL = 0 VCC = 5V 1.4 SDA = 1 TA = 25°C 160 1.2 350 VCC = 5V 1.0 300 VCC = 2.7V 140 0.8 250 0.6 V V CC = 2.7V CC = 5V SUPPLY CURRENT (µA) 200 CONVERSION CURRENT (µA) 120 SLEEP MODE CURRENT (µA) 0.4 0.2 150 VCC = 3V 100 0 100 –45 –30 –15 0 15 30 45 60 75 90 –45 –30 –15 0 15 30 45 60 75 90 0 10 20 30 TEMPERATURE (°C) TEMPERATURE (°C) OUTPUT DATA RATE (READINGS/SEC) 2497 G16 2497 G17 2497 G18 2497fb 8 For more information www.linear.com/LTC2497 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Analog Input and Reference I2C Inputs And Digital Outputs Power Requirements Digital Inputs And Digital Outputs I2C Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Package Description Revision History Typical Application Related Parts