Datasheet LTC2385-16 (Analog Devices) - 6

LTC2385-16
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, VDDL = 2.5V, OVDD = 2.5V, REFIN = 2.048V, fSMPL = 5Msps, unless otherwise noted. Integral Nonlinearity vs Integral Nonlinearity Differential Nonlinearity vs Output Code (LSB) vs Output Code (ppm) Output Code
0.5 6.0 0.5 0.4 4.5 0.4 0.3 0.3 3.0 0.2 0.2 0.1 1.5 0.1 0 0 0 –0.1 –1.5 –0.1 INL ERROR (LSB) –0.2 INL ERROR (ppm) DNL ERROR (LSB) –0.2 –3.0 –0.3 –0.3 –0.4 –4.5 –0.4 –0.5 –6.0 –0.5 0 16384 32768 49152 65536 0 16384 32768 49152 65536 0 16384 32768 49152 65536 OUTPUT CODE OUTPUT CODE OUTPUT CODE 238516 G01a 238516 G01b 238516 G02
32k Point FFT fSMPL = 5Msps, 32k Point FFT fSMPL = 5Msps, DC Histogram fIN = 2kHz fIN = 100kHz
225000 0 0 σ = 0.35 SNR = 94.0dB 200000 SNR = 94.0dB –20 THD = –117dB –20 THD = –115dB 175000 SINAD = 93.9dB SINAD = 93.9dB –40 SFDR = 119dB –40 SFDR = 117dB 150000 –60 –60 125000 –80 –80 COUNT 100000 –100 –100 75000 AMPLITUDE (dBFS) AMPLITUDE (dBFS) 50000 –120 –120 25000 –140 –140 0 –160 –160 N–3 N–2 N–1 N N+1 N+2 N+3 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 OUTPUT CODE FREQUENCY (MHz) FREQUENCY (MHz) 238516 G03 238516 G04 238516 G05
32k Point FFT fSMPL = 5Msps, THD vs Input Frequency fIN = 1MHz SNR, SINAD vs Input Frequency and Amplitude
0 96 –70 SNR = 93.8dB SNR –20 THD = –100dB 94 –80 SINAD = 93.2dB –1dBFS –40 92 SFDR = 101dB SINAD –3dBFS –90 90 –6dBFS –60 –10dBFS 88 –100 –80 86 –110 –100 THD (dBFS) AMPLITUDE (dBFS) 84 SNR, SINAD (dBFS) –120 –120 82 –140 80 –130 –160 78 –140 0 0.5 1 1.5 2 2.5 0.01 0.1 1 10 0.01 0.1 1 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 238516 G06 238516 G08 238516 G09 238516f 6 For more information www.linear.com/LTC2385-16 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Package Description Typical Application Related Parts