Datasheet LTC2483 (Analog Devices) - 8

LTC2483 Typical perFormance characTerisTics
On-Chip Oscillator Frequency On-Chip Oscillator Frequency vs Temperature vs VCC PSRR vs Frequency at VCC
310 310 0 VREF = 2.5V VCC = 4.1V DC VIN = 0V V –20 REF = 2.5V 308 V IN+ = GND 308 IN(CM) = GND IN– = GND –40 TA = 25°C 306 306 –60 304 –80 304 FREQUENCY (kHz) FREQUENCY (kHz) REJECTION (dB) V –100 CC = 4.1V 302 VREF = 2.5V 302 VIN = 0V –120 VIN(CM) = GND 300 300 –140 –45 –30 –15 0 15 30 45 60 75 90 2.5 3.0 3.5 4.0 4.5 5.0 5.5 1 10 100 1k 10k 100k 1M TEMPERATURE (°C) VCC (V) FREQUENCY AT VCC (Hz) 2483 G21 2483 G22 2483 G23
Conversion Current PSRR vs Frequency at VCC PSRR vs Frequency at VCC vs Temperature
0 0 200 VCC = 4.1V DC ±1.4V VCC = 4.1V DC ±0.7V V V –20 REF = 2.5V REF = 2.5V IN+ = GND –20 IN+ = GND IN– = GND IN– = GND 180 –40 TA = 25°C –40 TA = 25°C VCC = 5V –60 –60 160 –80 –80 VCC = 2.7V 140 REJECTION (dB) REJECTION (dB) –100 –100 CONVERSION CURRENT (µA) 120 –120 –120 –140 –140 100 0 20 40 60 80 100 120 140 160 180 200 220 30600 30650 30700 30750 30800 –45 –30 –15 0 15 30 45 60 75 90 FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) TEMPERATURE (°C) 2483 G24 2483 G25 2483 G26
Sleep Mode Current Conversion Current vs Temperature vs Output Data Rate
2.0 500 VREF = VCC 1.8 450 IN+ = GND 1.6 IN– = GND 400 CA0/F0 = EXT OSC 1.4 TA = 25°C VCC = 5V 1.2 350 VCC = 5V 1.0 300 0.8 Y CURRENT (µA) VCC = 3V 250 0.6 VCC = 2.7V SUPPL 200 SLEEP MODE CURRENT (µA) 0.4 0.2 150 0 100 –45 –30 –15 0 15 30 45 60 75 90 0 10 20 30 40 50 60 70 80 90 100 TEMPERATURE (°C) OUTPUT DATA RATE (READINGS/SEC) 2483 G27 2483 G28 2483fc Document Outline Features Applications Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Analog Input and Reference I2C Digital Inputs and Digital Outputs Power Requirements Timing Characteristics I2C Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Revision History Typical Application Related Parts