Datasheet LTC1860, LTC1861 (Analog Devices) - 7

LTC1860/LTC1861
Typical perForMance cHaracTerisTics Supply Current vs Sampling Frequency Supply Current vs Temperature Sleep Current vs Temperature
1000 1000 1000 CONV LOW = 800ns CONV = VCC = 5V T 900 A = 25°C 100 VCC = 5V 800 800 µA) µA) 700 10 600 600 500 Y CURRENT ( 1 Y CURRENT ( 400 400 300 SUPPL SUPPL SLEEP CURRENT (nA) CONV HIGH = 3.2µS 0.1 200 f 200 SMPL = 250kHz VCC = 5V 100 VREF = 5V 0.01 0 0 0.01 0.1 1.0 10 100 1000 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 SAMPLING FREQUENCY (kHz) TEMPERATURE (°C) TEMPERATURE (°C) 1860/61 G01 1860/61 G02 1860/61 G03
Reference Current vs Reference Current vs Reference Current vs Sample Rate Temperature Reference Voltage
60 55 60 CONV IS LOW FOR 800ns fS = 250kHz fS = 250kHz TA = 25°C 54 VCC = 5V TA = 25°C 50 VCC = 5V V V 53 REF = 5V 50 CC = 5V µA) VREF = 5V µA) 40 52 40 51 30 50 (µA) 30 49 I REF 20 48 20 REFERENCE CURRENT ( REFERENCE CURRENT ( 10 47 10 46 0 45 0 0 50 100 150 200 250 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 SAMPLE RATE (kHz) TEMPERATURE (°C) VREF (V) 1860/61 G04 1860/61 G05 1860/61 G06
Analog Input Leakage vs Typical INL Curve Typical DNL Curve Temperature
1.0 1.0 100 TA = 25°C TA = 25°C VCC = 5V VCC = 5V VCC = 5V VREF = 5V VREF = 5V VREF = 5V CONV = 0V 0.5 0.5 75 0 0 50 INL COC ERROR (LSBs) –0.5 DNL EOC ERROR (LSBs) –0.5 25 ANALOG INPUT LEAKAGE (nA) –1.0 –1.0 0 0 512 1024 1536 2048 2560 3072 3584 4096 0 512 1024 1536 2048 2560 3072 3584 4096 –50 –25 0 25 50 75 100 125 CODE CODE TEMPERATURE (°C) 1860/61 G07 1860/61 G07 1860/61 G09 18601fb For more information www.linear.com/LTC1860 7 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Typical Application Related Parts