Datasheet LTC1860, LTC1861 (Analog Devices) - 8

LTC1860/LTC1861
Typical perForMance cHaracTerisTics Change in Offset Error vs Change in Gain Error vs Reference Voltage Change in Offset vs Temperature Reference Voltage
5 1.0 5 TA = 25°C VCC = 5V VCC = 5V 4 VCC = 5V 0.8 4 TA = 25°C 3 0.6 3 2 0.4 2 1 0.2 1 0 0 0 –1 –0.2 –1 –2 –0.4 –2 CHANGE IN OFFSET (LSB) –3 –0.6 –3 CHANGE IN OFFSET ERROR (LSB) CHANGE IN GAIN ERROR (LSB) –4 –0.8 –4 –5 –1.0 –5 0 1 2 3 4 5 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 REFERENCE VOLTAGE (V) TEMPERATURE (°C) REFERENCE VOLTAGE(V) 1860/61 G10 1860/61 G11 1860/61 G12
Change in Gain Error vs Signal-to-(Noise + Distortion) Temperature vs Input Level 4096 Point FFT
1.0 80 0 VCC = 5V f f 0.8 S = 204.1kHz V IN = 10kHz REF = 5V 70 TA = 25°C fIN = 99.5kHz 0.6 VCC = 5V –20 TA = 25°C 60 VCC = 5V 0.4 –40 0.2 50 0 40 –60 –0.2 30 AMPLITUDE (dB) –0.4 –80 20 CHANGE IN GAIN ERROR (LSB) –0.6 –100 –0.8 SIGNAL-TO-(NOISE + DISTORTION) (dB) 10 –1.0 0 –120 –50 –25 0 25 50 75 100 125 –40 –35 –30 –25 –20 –15 –10 –5 0 0 10 20 30 40 50 60 70 80 90 100 TEMPERATURE (°C) INPUT LEVEL (dB) f (kHz) 1860/61 G13 1195 G20 1860/61 G15
Signal-to-(Noise + Distortion) Total Harmonic Distortion Spurious Free Dynamic Range vs fIN vs fIN vs fIN
100 0 100 TA = 25°C TA = 25°C 90 VCC = 5V –10 VCC = 5V 90 V 80 IN = 0dB –20 VIN = 0dB 80 70 SNR –30 70 60 –40 60 50 –50 50 SINAD 40 –60 40 30 –70 30 20 –80 20 T TOTAL HARMONIC DISTORTION (dB) A = 25°C SIGNAL-TO-(NOISE + DISTORTION) (dB) 10 –90 SPURIOUS FREE DYNAMIC RANGE (dB) 10 VCC = 5V VIN = 0dB 0 –100 0 1 10 100 1000 10000 1 10 100 1000 1 10 100 1000 fIN (kHz) fIN (kHz) fIN (kHz) 1860/61 G16 1860/61 G17 1860/61 G18 18601fb 8 For more information www.linear.com/LTC1860 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