Datasheet LTC2386-18 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | 18-Bit, 10Msps SAR ADC |
| Seiten / Seite | 22 / 6 — Typical. perForMance characTerisTics TA = 25°C, VDD = 5V, VDDL = 2.5V, … |
| Dateiformat / Größe | PDF / 1.2 Mb |
| Dokumentensprache | Englisch |
Typical. perForMance characTerisTics TA = 25°C, VDD = 5V, VDDL = 2.5V, OVDD = 2.5V,
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LTC2386-18
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, VDDL = 2.5V, OVDD = 2.5V, REFIN = 2.048V, fSMPL = 10Msps, 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 –0.5 –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 238618 G01a 238618 G01b 238618 G02
32k Point FFT fSMPL = 10Msps, 32k Point FFT fSMPL = 10Msps, DC Histogram fIN = 2kHz f IN IN = 200kHz
80000 0 σ = 1.4 0 SNR = 96.2dB 70000 SNR = 96.2dB –20 THD = –109dB –20 THD = –117dB SINAD = 96.0dB 60000 SINAD = 96.1dB –40 SFDR = 109dB –40 SFDR = 119dB 50000 –60 –60 40000 –80 COUNT –80 30000 –100 –100 AMPLITUDE (dBFS) 20000 AMPLITUDE (dBFS) –120 –120 10000 –140 –140 0 –160 N–6 N–4 N–2 N N+2 N+4 N+6 –160 0 1 2 3 4 5 OUTPUT CODE 0 1 2 3 4 5 FREQUENCY (MHz) 238618 G03 FREQUENCY (MHz) 238618 G05 238618 G04
32k Point FFT fSMPL = 10Msps, 32k Point FFT fSMPL = 10Msps, fIN = 1MHz fIN IN = 5MHz SNR, SINAD vs Input Frequency
0 0 98 SNR = 95.6dB SNR = 94.6dB –20 THD = –101dB –20 THD = –83dB 96 SNR SINAD = 94.6dB SINAD = 83dB 94 –40 SFDR = 102dB –40 SFDR = 84dB 92 SINAD –60 –60 90 –80 –80 88 86 –100 –100 AMPLITUDE (dBFS) AMPLITUDE (dBFS) SNR, SINAD (dBFS) 84 –120 –120 82 –140 –140 80 –160 –160 78 0 1 2 3 4 5 0 1 2 3 4 5 0.01 0.1 1 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 238618 G06 238618 G08 238618 G07 238618f 6 For more information www.linear.com/LTC2386-18 Document Outline Features Description Applications 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
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, VDDL = 2.5V, OVDD = 2.5V, REFIN = 2.048V, fSMPL = 10Msps, 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 –0.5 –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 238618 G01a 238618 G01b 238618 G02
32k Point FFT fSMPL = 10Msps, 32k Point FFT fSMPL = 10Msps, DC Histogram fIN = 2kHz f IN IN = 200kHz
80000 0 σ = 1.4 0 SNR = 96.2dB 70000 SNR = 96.2dB –20 THD = –109dB –20 THD = –117dB SINAD = 96.0dB 60000 SINAD = 96.1dB –40 SFDR = 109dB –40 SFDR = 119dB 50000 –60 –60 40000 –80 COUNT –80 30000 –100 –100 AMPLITUDE (dBFS) 20000 AMPLITUDE (dBFS) –120 –120 10000 –140 –140 0 –160 N–6 N–4 N–2 N N+2 N+4 N+6 –160 0 1 2 3 4 5 OUTPUT CODE 0 1 2 3 4 5 FREQUENCY (MHz) 238618 G03 FREQUENCY (MHz) 238618 G05 238618 G04
32k Point FFT fSMPL = 10Msps, 32k Point FFT fSMPL = 10Msps, fIN = 1MHz fIN IN = 5MHz SNR, SINAD vs Input Frequency
0 0 98 SNR = 95.6dB SNR = 94.6dB –20 THD = –101dB –20 THD = –83dB 96 SNR SINAD = 94.6dB SINAD = 83dB 94 –40 SFDR = 102dB –40 SFDR = 84dB 92 SINAD –60 –60 90 –80 –80 88 86 –100 –100 AMPLITUDE (dBFS) AMPLITUDE (dBFS) SNR, SINAD (dBFS) 84 –120 –120 82 –140 –140 80 –160 –160 78 0 1 2 3 4 5 0 1 2 3 4 5 0.01 0.1 1 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 238618 G06 238618 G08 238618 G07 238618f 6 For more information www.linear.com/LTC2386-18 Document Outline Features Description Applications 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