Datasheet LTC2311-14 (Analog Devices) - 8
| Hersteller | Analog Devices |
| Beschreibung | 14-Bit + Sign, 5Msps Differential Input ADC with Wide Input Common Mode Range |
| Seiten / Seite | 26 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| Dateiformat / Größe | PDF / 895 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT =
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LTC2311-14
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT = 4.096V, fSMPL = 5Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram for 64k Samples
1.0 1.0 20000 σ = 0.5 18000 16000 0.5 0.5 14000 12000 0 0 10000 COUNTS 8000 INL ERROR (LSB) DNL ERROR (LSB) 6000 –0.5 –0.5 4000 2000 –1.0 –1.0 0 –16384 –8192 0 8192 16384 –16384 –8192 0 8192 16384 –3 –2 –1 0 1 2 3 OUTPUT CODE OUTPUT CODE OUTPUT CODE 231114 G01 231114 G02 231114 G03
32k Point FFT, fSMPL = 5Msps, SNR, SINAD vs Input Frequency THD, Harmonics vs Input fIN = 2.2MHz (100kHz to 2.2MHz) Frequency (100kHz to 2.2MHz)
0 82.0 –85 SNR = 80.6dB THD = –90dB –20 SINAD = 80.1dB 81.5 –90 SFDR = 96dB –40 81.0 THD –60 SNR –95 80.5 –80 SINAD –100 80.0 AMPLITUDE (dBFS) SNR, SINAD (dBFS) –100 THD, HARMONICS (dBFS) HD2 –105 79.5 –120 HD3 –140 79.0 –110 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 231114 G04 231114 G05 231114 G06
THD, Harmonics vs Input Common SNR, SINAD vs Reference Voltage, 8k Point FFT, IMD, fSMPL = 5Msps, Mode (100kHz to 2.2MHz) f + – IN = 500kHz AIN = 100kHz, AIN = 2.2MHz
–80 84.0 0 82.0 –85 –20 THD 80.0 SNR –40 –90 SINAD HD3 78.0 –60 –95 76.0 –80 74.0 –100 SNR, SINAD (dBFS) AMPLITUDE (dBFS) HD2 –100 THD, HARMONICS (dBFS) 72.0 –105 70.0 –120 –110 68.0 –140 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 3.3 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 0 0.5 1 1.5 2 2.5 INPUT COMMON MODE (V) VREF (V) FREQUENCY (MHz) 231114 G07 231114 G08 231114 G09 231114fa 8 For more information www.linear.com/LTC2311-14 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Functional Block Diagram Timing Diagram Applications Information Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information OVERVIEW CONVERTER OPERATION TRANSFER FUNCTION INPUT DRIVE CIRCUITS ADC REFERENCE DYNAMIC PERFORMANCE POWER CONSIDERATIONS TIMING AND CONTROL DIGITAL INTERFACE BOARD LAYOUT Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT = 4.096V, fSMPL = 5Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram for 64k Samples
1.0 1.0 20000 σ = 0.5 18000 16000 0.5 0.5 14000 12000 0 0 10000 COUNTS 8000 INL ERROR (LSB) DNL ERROR (LSB) 6000 –0.5 –0.5 4000 2000 –1.0 –1.0 0 –16384 –8192 0 8192 16384 –16384 –8192 0 8192 16384 –3 –2 –1 0 1 2 3 OUTPUT CODE OUTPUT CODE OUTPUT CODE 231114 G01 231114 G02 231114 G03
32k Point FFT, fSMPL = 5Msps, SNR, SINAD vs Input Frequency THD, Harmonics vs Input fIN = 2.2MHz (100kHz to 2.2MHz) Frequency (100kHz to 2.2MHz)
0 82.0 –85 SNR = 80.6dB THD = –90dB –20 SINAD = 80.1dB 81.5 –90 SFDR = 96dB –40 81.0 THD –60 SNR –95 80.5 –80 SINAD –100 80.0 AMPLITUDE (dBFS) SNR, SINAD (dBFS) –100 THD, HARMONICS (dBFS) HD2 –105 79.5 –120 HD3 –140 79.0 –110 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 231114 G04 231114 G05 231114 G06
THD, Harmonics vs Input Common SNR, SINAD vs Reference Voltage, 8k Point FFT, IMD, fSMPL = 5Msps, Mode (100kHz to 2.2MHz) f + – IN = 500kHz AIN = 100kHz, AIN = 2.2MHz
–80 84.0 0 82.0 –85 –20 THD 80.0 SNR –40 –90 SINAD HD3 78.0 –60 –95 76.0 –80 74.0 –100 SNR, SINAD (dBFS) AMPLITUDE (dBFS) HD2 –100 THD, HARMONICS (dBFS) 72.0 –105 70.0 –120 –110 68.0 –140 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 3.3 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 0 0.5 1 1.5 2 2.5 INPUT COMMON MODE (V) VREF (V) FREQUENCY (MHz) 231114 G07 231114 G08 231114 G09 231114fa 8 For more information www.linear.com/LTC2311-14 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Functional Block Diagram Timing Diagram Applications Information Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information OVERVIEW CONVERTER OPERATION TRANSFER FUNCTION INPUT DRIVE CIRCUITS ADC REFERENCE DYNAMIC PERFORMANCE POWER CONSIDERATIONS TIMING AND CONTROL DIGITAL INTERFACE BOARD LAYOUT Package Description Revision History Typical Application Related Parts