Datasheet LTC2373-16 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | 16-Bit, 1Msps, 8-Channel SAR ADC with 96dB SNR |
| Pages / Page | 52 / 10 — Typical. perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| File Format / Size | PDF / 2.8 Mb |
| Document Language | English |
Typical. perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V,
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LTC2373-16
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V, Pseudo-Differential Unipolar Range, fSMPL = 1Msps, unless otherwise noted. Integral Nonlinearity vs Output Differential Nonlinearity vs Code Output Code DC Histogram (Zero-Scale)
1.0 0.5 250000 σ = 0.46 0.8 0.4 0.6 0.3 200000 0.4 0.2 0.2 0.1 150000 –0.0 –0.0 –0.2 –0.1 COUNTS 100000 INL ERROR (LSB) –0.4 DNL ERROR (LSB) –0.2 –0.6 –0.3 50000 –0.8 –0.4 –1.0 –0.5 0 0 16384 32768 49152 65536 0 16384 32768 49152 65536 6 7 8 9 10 OUTPUT CODE OUTPUT CODE CODE 237316 G19 237316 G20 237316 G21
32k Point FFT f 32k Point FFT f SMPL = 1Msps, SMPL = 1Msps, DC Histogram (Near Full-Scale) f f IN = 1kHz IN = 1kHz, REFBUF = 5V
200000 0 0 σ = 0.51 SNR = 93.6dB SNR = 94.4dB –20 THD = –110.0dB –20 THD = –110.0dB SINAD = 93.5dB SINAD = 94.3dB 150000 –40 SFDR = 114.7dB –40 SFDR = 112.8dB –60 –60 –80 –80 100000 COUNTS –100 –100 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) 50000 –140 –140 –160 –160 0 –180 –180 65512 65513 65514 65515 65516 0 100 200 300 400 500 0 100 200 300 400 500 CODE FREQUENCY (kHz) FREQUENCY (kHz) 237316 G22 237316 G23 237316 G24
THD, Harmonics vs REFBUF, SNR, SINAD vs Input Level, SNR, SINAD vs REFBUF, fIN = 1kHz fIN = 1kHz fIN = 1kHz
95 –105 95 SNR THD 94 –110 94 SNR SINAD 2ND SINAD 93 –115 93 92 –120 92 SNR, SINAD (dBFS) 3RD SNR, SINAD (dBFS) THD, HARMONICS (dBFS) 91 –125 91 90 –130 90 2.5 3 3.5 4 4.5 5 2.5 3 3.5 4 4.5 5 –40 –30 –20 –10 0 REFBUF VOLTAGE (V) REFBUF VOLTAGE (V) INPUT LEVEL (dB) 237316 G25 237316 G26 237316 G27 237316fa 10 For more information www.linear.com/LTC2373-16 Document Outline Features Applications Description 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
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V, Pseudo-Differential Unipolar Range, fSMPL = 1Msps, unless otherwise noted. Integral Nonlinearity vs Output Differential Nonlinearity vs Code Output Code DC Histogram (Zero-Scale)
1.0 0.5 250000 σ = 0.46 0.8 0.4 0.6 0.3 200000 0.4 0.2 0.2 0.1 150000 –0.0 –0.0 –0.2 –0.1 COUNTS 100000 INL ERROR (LSB) –0.4 DNL ERROR (LSB) –0.2 –0.6 –0.3 50000 –0.8 –0.4 –1.0 –0.5 0 0 16384 32768 49152 65536 0 16384 32768 49152 65536 6 7 8 9 10 OUTPUT CODE OUTPUT CODE CODE 237316 G19 237316 G20 237316 G21
32k Point FFT f 32k Point FFT f SMPL = 1Msps, SMPL = 1Msps, DC Histogram (Near Full-Scale) f f IN = 1kHz IN = 1kHz, REFBUF = 5V
200000 0 0 σ = 0.51 SNR = 93.6dB SNR = 94.4dB –20 THD = –110.0dB –20 THD = –110.0dB SINAD = 93.5dB SINAD = 94.3dB 150000 –40 SFDR = 114.7dB –40 SFDR = 112.8dB –60 –60 –80 –80 100000 COUNTS –100 –100 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) 50000 –140 –140 –160 –160 0 –180 –180 65512 65513 65514 65515 65516 0 100 200 300 400 500 0 100 200 300 400 500 CODE FREQUENCY (kHz) FREQUENCY (kHz) 237316 G22 237316 G23 237316 G24
THD, Harmonics vs REFBUF, SNR, SINAD vs Input Level, SNR, SINAD vs REFBUF, fIN = 1kHz fIN = 1kHz fIN = 1kHz
95 –105 95 SNR THD 94 –110 94 SNR SINAD 2ND SINAD 93 –115 93 92 –120 92 SNR, SINAD (dBFS) 3RD SNR, SINAD (dBFS) THD, HARMONICS (dBFS) 91 –125 91 90 –130 90 2.5 3 3.5 4 4.5 5 2.5 3 3.5 4 4.5 5 –40 –30 –20 –10 0 REFBUF VOLTAGE (V) REFBUF VOLTAGE (V) INPUT LEVEL (dB) 237316 G25 237316 G26 237316 G27 237316fa 10 For more information www.linear.com/LTC2373-16 Document Outline Features Applications Description 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
