Datasheet LTC2373-16 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | 16-Bit, 1Msps, 8-Channel SAR ADC with 96dB SNR |
| 页数 / 页 | 52 / 9 — 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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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. THD, Harmonics vs Input SNR, SINAD vs Input Frequency Frequency CMRR vs Input Frequency
100 –60 80 95 –70 75 SNR –80 90 70 –90 85 65 SINAD –100 CMRR (dB) 80 60 SNR, SINAD (dBFS) –110 THD, HARMONICS (dBFS) 75 THD 55 –120 2ND 3RD 70 –130 50 0 25 50 75 100 125 150 175 200 0 25 50 75 100 125 150 175 200 0 100 200 300 400 500 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 237316 G10 237316 G11 237316 G12
SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, PSRR vs Frequency fIN = 1kHz fIN = 1kHz
95 97.0 –105 90 85 96.5 –110 SNR 80 THD 75 96.0 –115 70 SINAD 3RD PSRR (dB) 65 95.5 –120 60 SNR, SINAD (dBFS) 2ND THD, HARMONICS (dBFS) 55 95.0 –125 50 45 94.5 –130 1 10 100 1k –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 FREQUENCY (kHz) TEMPERATURE (°C) TEMPERATURE (°C) 237316 G14 237316 G15 237316 G13
Full-Scale Error vs Temperature INL vs Temperature REFBUF = 4.096V Zero-Scale Error vs Temperature
1.0 2.0 2.0 0.5 1.5 1.5 MAX INL +FS 0 1.0 1.0 INL ERROR (LSB) MIN INL –FS –0.5 0.5 FULL-SCALE ERROR (LSB) 0.5 ZERO–SCALE ERROR (LSB) –1.0 0 0 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 237316 G16 237316 G17 237316 G18 237316fa For more information www.linear.com/LTC2373-16 9 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. THD, Harmonics vs Input SNR, SINAD vs Input Frequency Frequency CMRR vs Input Frequency
100 –60 80 95 –70 75 SNR –80 90 70 –90 85 65 SINAD –100 CMRR (dB) 80 60 SNR, SINAD (dBFS) –110 THD, HARMONICS (dBFS) 75 THD 55 –120 2ND 3RD 70 –130 50 0 25 50 75 100 125 150 175 200 0 25 50 75 100 125 150 175 200 0 100 200 300 400 500 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 237316 G10 237316 G11 237316 G12
SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, PSRR vs Frequency fIN = 1kHz fIN = 1kHz
95 97.0 –105 90 85 96.5 –110 SNR 80 THD 75 96.0 –115 70 SINAD 3RD PSRR (dB) 65 95.5 –120 60 SNR, SINAD (dBFS) 2ND THD, HARMONICS (dBFS) 55 95.0 –125 50 45 94.5 –130 1 10 100 1k –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 FREQUENCY (kHz) TEMPERATURE (°C) TEMPERATURE (°C) 237316 G14 237316 G15 237316 G13
Full-Scale Error vs Temperature INL vs Temperature REFBUF = 4.096V Zero-Scale Error vs Temperature
1.0 2.0 2.0 0.5 1.5 1.5 MAX INL +FS 0 1.0 1.0 INL ERROR (LSB) MIN INL –FS –0.5 0.5 FULL-SCALE ERROR (LSB) 0.5 ZERO–SCALE ERROR (LSB) –1.0 0 0 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 237316 G16 237316 G17 237316 G18 237316fa For more information www.linear.com/LTC2373-16 9 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