Datasheet LTC2364-16 (Analog Devices) - 6

ManufacturerAnalog Devices
Description16-Bit, 250ksps, Pseudo-Differential Unipolar SAR ADC with 94.7dB SNR
Pages / Page24 / 6 — TYPICAL. PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, …
File Format / SizePDF / 535 Kb
Document LanguageEnglish

TYPICAL. PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 5V,. fSMPL = 250ksps, unless otherwise noted

TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 5V, fSMPL = 250ksps, unless otherwise noted

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LTC2364-16
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 5V, fSMPL = 250ksps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
1.0 0.5 100000 σ = 0.5 0.8 0.4 90000 0.6 0.3 80000 0.4 0.2 70000 0.2 0.1 60000 0.0 0.0 50000 –0.2 COUNTS –0.1 40000 INL ERROR (LSB) –0.4 DNL ERROR (LSB) –0.2 30000 –0.6 –0.3 20000 –0.8 –0.4 10000 –1.0 –0.5 0 0 16384 32768 49152 65536 0 16384 32768 49152 65536 32676 32677 32678 32679 32680 OUTPUT CODE OUTPUT CODE CODE 236416 G01 236416 G02 236416 G03
32k Point FFT fS = 250ksps, THD, Harmonics fIN = 2kHz SNR, SINAD vs Input Frequency vs Input Frequency
0 100 –60 SNR = 94.7dB –20 THD = –121dB –70 SNR SINAD = 94.7dB 95 –40 –80 SFDR = 125dB SINAD –90 –60 90 THD –100 –80 2ND 85 –110 –100 3RD –120 AMPLITUDE (dBFS) –120 SNR, SINAD (dBFS) 80 –130 –140 HARMONICS, THD (dBFS) –140 75 –160 –150 –180 70 –160 0 25 50 75 100 125 0 25 50 75 100 125 0 25 50 75 100 125 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 236416 G04 236416 G05 236416 G06
SNR, SINAD vs Input level, SNR, SINAD vs Reference THD, Harmonics vs Reference fIN = 2kHz Voltage, fIN = 2kHz Voltage, fIN = 2kHz
96.0 95 –100 –105 95.5 94 –110 SNR SINAD –115 95.0 THD SNR 93 –120 SINAD 2ND 94.5 –125 92 –130 3RD SNR, SINAD (dBFS) 94.0 SNR, SINAD (dBFS) –135 HARMONICS, THD (dBFS) 91 –140 93.5 –145 93.0 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) 236416 G07 236416 G08 236416 G09 236416fa 6 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS CONVERTER CHARACTERISTICS DYNAMIC ACCURACY REFERENCE INPUT DIGITAL INPUTS AND DIGITAL OUTPUTS POWER REQUIREMENTS ADC TIMING CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS FUNCTIONAL BLOCK DIAGRAM TIMING DIAGRAM APPLICATIONS INFORMATION TIMING DIAGRAMS BOARD LAYOUT PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS