Datasheet LTC2369-18 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | 18-Bit, 1.6Msps, Pseudo- Differential Unipolar SAR ADC with 96.5dB SNR |
| Seiten / Seite | 24 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 2.5V, OVDD = 2.5V, … |
| Dateiformat / Größe | PDF / 914 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 5V,. fSMPL = 1.6Msps, unless otherwise noted
Modelllinie für dieses Datenblatt
- LTC2369CDE-18#PBF LTC2369CDE-18#PBF LTC2369CDE-18#TRPBF LTC2369CDE-18#TRPBF LTC2369CMS-18#PBF LTC2369CMS-18#PBF LTC2369CMS-18#TRPBF LTC2369CMS-18#TRPBF LTC2369HMS-18#PBF LTC2369HMS-18#PBF LTC2369HMS-18#TRPBF LTC2369HMS-18#TRPBF LTC2369IDE-18#PBF LTC2369IDE-18#PBF LTC2369IDE-18#TRPBF LTC2369IDE-18#TRPBF LTC2369IMS-18#PBF LTC2369IMS-18#PBF LTC2369IMS-18#TRPBF LTC2369IMS-18#TRPBF
Textversion des Dokuments
LTC2369-18
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 5V, fSMPL = 1.6Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
2.0 0.5 40000 X = 1.3 0.4 1.5 35000 0.3 1.0 30000 0.2 0.5 0.1 25000 0.0 0.0 20000 COUNTS –0.1 –0.5 15000 INL ERROR (LSB) DNL ERROR (LSB) –0.2 –1.0 10000 –0.3 –1.5 –0.4 5000 –2.0 –0.5 0 0 65536 131072 196608 262144 0 65536 131072 196608 262144 131067 131069 131071 131073 131075 131077 OUTPUT CODE OUTPUT CODE CODE 236918 G01 236918 G02 236918 G03
32k Point FFT fS = 1.6Msps, THD, Harmonics fIN = 2kHz SNR, SINAD vs Input Frequency vs Input Frequency
0 100 –60 SNR = 96.5dB –20 THD = –127dB –70 SINAD = 96.5dB 95 –40 –80 SFDR = 134dB SNR THD –90 –60 90 2ND SINAD –100 –80 3RD 85 –110 –100 –120 AMPLITUDE (dBFS) –120 SNR, SINAD (dBFS) 80 –130 –140 HARMONICS, THD (dBFS) –140 75 –160 –150 –180 70 –160 0 100 200 300 400 500 600 700 800 0 25 50 75 100 125 150 175 200 0 25 50 75 100 125 150 175 200 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 236918 G04 236918 G05 236918 G06
SNR, SINAD vs Input level, SNR, SINAD vs Reference THD, Harmonics vs Reference fIN = 2kHz Voltage, fIN = 2kHz Voltage, fIN = 2kHz
98.0 97 –100 –105 97.5 96 SNR –110 95 –115 97.0 SINAD THD –120 SNR 94 2ND 96.5 –125 SINAD 93 –130 3RD SNR, SINAD (dBFS) 96.0 SNR, SINAD (dBFS) 92 –135 HARMONICS, THD (dBFS) –140 95.5 91 –145 95.0 90 –150 –40 –30 –20 –10 0 2.5 3 3.5 4 4.5 5 2.5 3 3.5 4 4.5 5 INPUT LEVEL (dB) REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V) 236918 G07 236918 G08 236918 G09 236918fa 6
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 5V, fSMPL = 1.6Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
2.0 0.5 40000 X = 1.3 0.4 1.5 35000 0.3 1.0 30000 0.2 0.5 0.1 25000 0.0 0.0 20000 COUNTS –0.1 –0.5 15000 INL ERROR (LSB) DNL ERROR (LSB) –0.2 –1.0 10000 –0.3 –1.5 –0.4 5000 –2.0 –0.5 0 0 65536 131072 196608 262144 0 65536 131072 196608 262144 131067 131069 131071 131073 131075 131077 OUTPUT CODE OUTPUT CODE CODE 236918 G01 236918 G02 236918 G03
32k Point FFT fS = 1.6Msps, THD, Harmonics fIN = 2kHz SNR, SINAD vs Input Frequency vs Input Frequency
0 100 –60 SNR = 96.5dB –20 THD = –127dB –70 SINAD = 96.5dB 95 –40 –80 SFDR = 134dB SNR THD –90 –60 90 2ND SINAD –100 –80 3RD 85 –110 –100 –120 AMPLITUDE (dBFS) –120 SNR, SINAD (dBFS) 80 –130 –140 HARMONICS, THD (dBFS) –140 75 –160 –150 –180 70 –160 0 100 200 300 400 500 600 700 800 0 25 50 75 100 125 150 175 200 0 25 50 75 100 125 150 175 200 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 236918 G04 236918 G05 236918 G06
SNR, SINAD vs Input level, SNR, SINAD vs Reference THD, Harmonics vs Reference fIN = 2kHz Voltage, fIN = 2kHz Voltage, fIN = 2kHz
98.0 97 –100 –105 97.5 96 SNR –110 95 –115 97.0 SINAD THD –120 SNR 94 2ND 96.5 –125 SINAD 93 –130 3RD SNR, SINAD (dBFS) 96.0 SNR, SINAD (dBFS) 92 –135 HARMONICS, THD (dBFS) –140 95.5 91 –145 95.0 90 –150 –40 –30 –20 –10 0 2.5 3 3.5 4 4.5 5 2.5 3 3.5 4 4.5 5 INPUT LEVEL (dB) REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V) 236918 G07 236918 G08 236918 G09 236918fa 6