Datasheet LTC2373-16 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 16-Bit, 1Msps, 8-Channel SAR ADC with 96dB SNR |
| 页数 / 页 | 52 / 8 — Typical. perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| 文件格式/大小 | PDF / 2.8 Mb |
| 文件语言 | 英语 |
Typical. perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V,
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文件文字版本
LTC2373-16
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V, Fully Differential Range, VCM = 2.048V, fSMPL = 1Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram (Zero-Scale)
1.0 0.5 250000 σ = 0.21 0.8 0.4 0.6 0.3 200000 0.4 0.2 0.2 0.1 150000 –0.0 –0.0 COUNTS –0.2 –0.1 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 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 –1 0 1 OUTPUT CODE OUTPUT CODE CODE 237316 G01 237316 G02 237316 G03
32k Point FFT fSMPL = 1Msps, 32k Point FFT fSMPL = 1Msps, DC Histogram (Near Full-Scale) fIN = 1kHz fIN = 1kHz, REFBUF = 5V
250000 0 0 σ = 0.25 SNR = 96.1dB SNR = 96.7dB –20 THD = –114.3dB –20 THD = –110.8dB SINAD = 96.0dB 200000 SINAD = 96.6dB –40 SFDR = 117.4dB –40 SFDR = 111.7dB –60 –60 150000 –80 –80 COUNTS –100 –100 100000 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) 50000 –140 –140 –160 –160 0 –180 –180 32744 32745 32746 0 100 200 300 400 500 0 100 200 300 400 500 CODE FREQUENCY (kHz) FREQUENCY (kHz) 237216 G04 237316 G05 237316 G06
THD, Harmonics vs REFBUF, SNR, SINAD vs Input Level, SNR, SINAD vs REFBUF, fIN = 1kHz fIN = 1kHz fIN = 1kHz
97.0 –105 97.0 SNR 96.5 –110 96.5 SNR THD SINAD 96.0 SINAD –115 96.0 3RD 95.5 –120 95.5 2ND 95.0 SNR, SINAD (dBFS) –125 95.0 SNR, SINAD (dBFS) THD, HARMONICS (dBFS) 94.5 –130 94.5 94.0 –135 94.0 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 G07 237316 G08 237316 G09 237316fa 8 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, Fully Differential Range, VCM = 2.048V, fSMPL = 1Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram (Zero-Scale)
1.0 0.5 250000 σ = 0.21 0.8 0.4 0.6 0.3 200000 0.4 0.2 0.2 0.1 150000 –0.0 –0.0 COUNTS –0.2 –0.1 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 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 –1 0 1 OUTPUT CODE OUTPUT CODE CODE 237316 G01 237316 G02 237316 G03
32k Point FFT fSMPL = 1Msps, 32k Point FFT fSMPL = 1Msps, DC Histogram (Near Full-Scale) fIN = 1kHz fIN = 1kHz, REFBUF = 5V
250000 0 0 σ = 0.25 SNR = 96.1dB SNR = 96.7dB –20 THD = –114.3dB –20 THD = –110.8dB SINAD = 96.0dB 200000 SINAD = 96.6dB –40 SFDR = 117.4dB –40 SFDR = 111.7dB –60 –60 150000 –80 –80 COUNTS –100 –100 100000 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) 50000 –140 –140 –160 –160 0 –180 –180 32744 32745 32746 0 100 200 300 400 500 0 100 200 300 400 500 CODE FREQUENCY (kHz) FREQUENCY (kHz) 237216 G04 237316 G05 237316 G06
THD, Harmonics vs REFBUF, SNR, SINAD vs Input Level, SNR, SINAD vs REFBUF, fIN = 1kHz fIN = 1kHz fIN = 1kHz
97.0 –105 97.0 SNR 96.5 –110 96.5 SNR THD SINAD 96.0 SINAD –115 96.0 3RD 95.5 –120 95.5 2ND 95.0 SNR, SINAD (dBFS) –125 95.0 SNR, SINAD (dBFS) THD, HARMONICS (dBFS) 94.5 –130 94.5 94.0 –135 94.0 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 G07 237316 G08 237316 G09 237316fa 8 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