Datasheet LTC2387-18 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | 18-Bit, 15Msps SAR ADC |
| Seiten / Seite | 24 / 6 — Typical perForMance characTerisTics. TA = 25°C, VDD = 5V, VDDL = 2.5V, … |
| Dateiformat / Größe | PDF / 1.1 Mb |
| Dokumentensprache | Englisch |
Typical perForMance characTerisTics. TA = 25°C, VDD = 5V, VDDL = 2.5V, OVDD = 2.5V,
Modelllinie für dieses Datenblatt
Textversion des Dokuments
LTC2387-18
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, VDDL = 2.5V, OVDD = 2.5V, REFIN = 2.048V, fSMPL = 15Msps, unless otherwise noted. Integral Nonlinearity vs Integral Nonlinearity Differential Nonlinearity vs Output Code (LSB) vs Output Code (ppm) Output Code
2.0 6.0 1.0 1.5 4.5 0.8 0.6 1.0 3.0 0.4 0.5 1.5 0.2 0 0 0.0 –0.5 –1.5 –0.2 INL ERROR (LSB) INL ERROR (ppm) DNL ERROR (LSB) –0.4 –1.0 –3.0 –0.6 –1.5 –4.5 –0.8 –2.0 –6.0 –1.0 0 65536 131072 196608 262144 0 65536 131072 196608 262144 0 65536 131072 196608 262144 OUTPUT CODE OUTPUT CODE OUTPUT CODE 238718 G01a 238718 G01b 238718 G02
32k Point FFT fSMPL = 15Msps, 32k Point FFT fSMPL = 15Msps, DC Histogram fINf = 2kHz IN = 2kHz fIN = 200kHz
80000 0 0 SNR = 96.0dB SNR = 95.8dB 70000 –20 THD = –117dB –20 THD = –109dB SINAD = 95.7dB SINAD = 95.6dB 60000 –40 SFDR = 119dB –40 SFDR = 109dB 50000 –60 –60 40000 –80 –80 COUNTS 30000 –100 –100 AMPLITUDE (dBFS) AMPLITUDE (dBFS) 20000 –120 –120 10000 –140 –140 0 –160 –160 0 2.5 5.0 7.5 N-6 N-5 N-4 N-3 N-2 N-1 N N+1 N+2 N+3 N+4 N+5 N+6 0 2.5 5 7.5 FREQUENCY (MHz) OUTPUT CODE 238718 G03 FREQUENCY (MHz) 238718 G05 238718 G04
32k Point FFT fSMPL = 15Msps, 32k Point FFT fSMPL = 15Msps, fIN = 1MHz fIN = 5MHz SNR, SINAD vs Input Frequency IN
0 0 98.0 SNR = 95.6dB SNR = 94.6dB SNR –20 THD = –103dB –20 THD = –83dB 96.0 SINAD = 94.6dB SINAD = 83dB 94.0 –40 SFDR = 104dB –40 SFDR = 84dB SINAD 92.0 –60 –60 90.0 –80 –80 88.0 –100 –100 86.0 AMPLITUDE (dBFS) AMPLITUDE (dBFS) SNR, SINAD (dBFS) 84.0 –120 –120 82.0 –140 –140 80.0 –160 –160 78.0 0 2.5 5 7.5 0 2.5 5 7.5 0.01 0.1 1 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 238718 G06 238718 G07 238718 G08 238718fa 6 For more information www.linear.com/LTC2387-18 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration 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
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, VDDL = 2.5V, OVDD = 2.5V, REFIN = 2.048V, fSMPL = 15Msps, unless otherwise noted. Integral Nonlinearity vs Integral Nonlinearity Differential Nonlinearity vs Output Code (LSB) vs Output Code (ppm) Output Code
2.0 6.0 1.0 1.5 4.5 0.8 0.6 1.0 3.0 0.4 0.5 1.5 0.2 0 0 0.0 –0.5 –1.5 –0.2 INL ERROR (LSB) INL ERROR (ppm) DNL ERROR (LSB) –0.4 –1.0 –3.0 –0.6 –1.5 –4.5 –0.8 –2.0 –6.0 –1.0 0 65536 131072 196608 262144 0 65536 131072 196608 262144 0 65536 131072 196608 262144 OUTPUT CODE OUTPUT CODE OUTPUT CODE 238718 G01a 238718 G01b 238718 G02
32k Point FFT fSMPL = 15Msps, 32k Point FFT fSMPL = 15Msps, DC Histogram fINf = 2kHz IN = 2kHz fIN = 200kHz
80000 0 0 SNR = 96.0dB SNR = 95.8dB 70000 –20 THD = –117dB –20 THD = –109dB SINAD = 95.7dB SINAD = 95.6dB 60000 –40 SFDR = 119dB –40 SFDR = 109dB 50000 –60 –60 40000 –80 –80 COUNTS 30000 –100 –100 AMPLITUDE (dBFS) AMPLITUDE (dBFS) 20000 –120 –120 10000 –140 –140 0 –160 –160 0 2.5 5.0 7.5 N-6 N-5 N-4 N-3 N-2 N-1 N N+1 N+2 N+3 N+4 N+5 N+6 0 2.5 5 7.5 FREQUENCY (MHz) OUTPUT CODE 238718 G03 FREQUENCY (MHz) 238718 G05 238718 G04
32k Point FFT fSMPL = 15Msps, 32k Point FFT fSMPL = 15Msps, fIN = 1MHz fIN = 5MHz SNR, SINAD vs Input Frequency IN
0 0 98.0 SNR = 95.6dB SNR = 94.6dB SNR –20 THD = –103dB –20 THD = –83dB 96.0 SINAD = 94.6dB SINAD = 83dB 94.0 –40 SFDR = 104dB –40 SFDR = 84dB SINAD 92.0 –60 –60 90.0 –80 –80 88.0 –100 –100 86.0 AMPLITUDE (dBFS) AMPLITUDE (dBFS) SNR, SINAD (dBFS) 84.0 –120 –120 82.0 –140 –140 80.0 –160 –160 78.0 0 2.5 5 7.5 0 2.5 5 7.5 0.01 0.1 1 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 238718 G06 238718 G07 238718 G08 238718fa 6 For more information www.linear.com/LTC2387-18 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration 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