Datasheet LTC2323-16 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | Dual, 16-Bit, 5Msps Differential Input ADC with Wide Input Common Mode Range |
| Seiten / Seite | 26 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| Dateiformat / Größe | PDF / 1.3 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2 =
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LTC2323-16
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2 = 4.096V, fSMPL = 5Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
8 1.0 20000 J = 1.5 6 18000 16000 4 0.5 14000 2 12000 0 0 10000 COUNTS –2 8000 INL ERROR (LSB) DNL ERROR (LSB) 6000 –4 –0.5 4000 –6 2000 –8 –1.0 0 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 –5 –4 –3 –2 –1 0 1 2 3 4 5 6 OUTPUT CODE 232316 G01 OUTPUT CODE 232316 G02 CODE 232316 G03
32k Point FFT, fS = 5Msps, SNR, SINAD vs Input Frequency THD, Harmonics vs Input fIN = 2.2MHz (100kHz to 2.2MHz) Frequency (100kHz to 2.2MHz)
0 83.0 –85 SNR = 81.4dB THD = –86.8dB –20 SINAD = 80.3dB 82.5 –90 SFDR = 88.2dB –40 SNR 82.0 THD –60 –95 SINAD 81.5 –80 –100 AMPLITUDE (dBFS) 81.0 HD2 –100 SNR, SINAD LEVEL (dBFS) –105 –120 80.5 THD, HARMONICS LEVEL (dBFS) HD3 –140 80.0 –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) 232316 G04 232316 G05 232316 G06
THD, Harmonics vs Input Common SNR, SINAD vs Reference Voltage, 8k Point FFT, IMD, fS = 5Msps, Mode (100kHz to 2.2MHz) f + – IN = 500kHz AIN = 100kHz, AIN = 2.2MHz
–75 0 82 –80 –20 80 –85 SNR 78 –40 SINAD –90 –60 THD 76 –95 74 –80 HD2 –100 SNR, SINAD (dBFS) 72 AMPLITUDE (dBFS) –100 HD3 THD, HARMONICS LEVEL (dBFS) –105 70 –120 –110 68 –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) V FREQUENCY (MHz) 232316 G07 REF (V) 232316 G08 232316 G09 232316fc 6 For more information www.linear.com/LTC2323-16 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information 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 Package Description Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2 = 4.096V, fSMPL = 5Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
8 1.0 20000 J = 1.5 6 18000 16000 4 0.5 14000 2 12000 0 0 10000 COUNTS –2 8000 INL ERROR (LSB) DNL ERROR (LSB) 6000 –4 –0.5 4000 –6 2000 –8 –1.0 0 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 –5 –4 –3 –2 –1 0 1 2 3 4 5 6 OUTPUT CODE 232316 G01 OUTPUT CODE 232316 G02 CODE 232316 G03
32k Point FFT, fS = 5Msps, SNR, SINAD vs Input Frequency THD, Harmonics vs Input fIN = 2.2MHz (100kHz to 2.2MHz) Frequency (100kHz to 2.2MHz)
0 83.0 –85 SNR = 81.4dB THD = –86.8dB –20 SINAD = 80.3dB 82.5 –90 SFDR = 88.2dB –40 SNR 82.0 THD –60 –95 SINAD 81.5 –80 –100 AMPLITUDE (dBFS) 81.0 HD2 –100 SNR, SINAD LEVEL (dBFS) –105 –120 80.5 THD, HARMONICS LEVEL (dBFS) HD3 –140 80.0 –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) 232316 G04 232316 G05 232316 G06
THD, Harmonics vs Input Common SNR, SINAD vs Reference Voltage, 8k Point FFT, IMD, fS = 5Msps, Mode (100kHz to 2.2MHz) f + – IN = 500kHz AIN = 100kHz, AIN = 2.2MHz
–75 0 82 –80 –20 80 –85 SNR 78 –40 SINAD –90 –60 THD 76 –95 74 –80 HD2 –100 SNR, SINAD (dBFS) 72 AMPLITUDE (dBFS) –100 HD3 THD, HARMONICS LEVEL (dBFS) –105 70 –120 –110 68 –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) V FREQUENCY (MHz) 232316 G07 REF (V) 232316 G08 232316 G09 232316fc 6 For more information www.linear.com/LTC2323-16 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information 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 Package Description Related Parts