Datasheet LTC2376-18 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | 18-Bit, 250ksps, Low Power SAR ADC with 102dB SNR |
| Pages / Page | 26 / 6 — Typical perForMance characTerisTics. TA = 25°C, VDD = 2.5V, OVDD = 2.5V, … |
| File Format / Size | PDF / 1.4 Mb |
| Document Language | English |
Typical perForMance characTerisTics. TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V,
Model Line for this Datasheet
- LTC2376CDE-18#PBF LTC2376CDE-18#PBF LTC2376CDE-18#TRPBF LTC2376CDE-18#TRPBF LTC2376CMS-18#PBF LTC2376CMS-18#PBF LTC2376CMS-18#TRPBF LTC2376CMS-18#TRPBF LTC2376HMS-18#PBF LTC2376HMS-18#PBF LTC2376HMS-18#TRPBF LTC2376HMS-18#TRPBF LTC2376IDE-18#PBF LTC2376IDE-18#PBF LTC2376IDE-18#TRPBF LTC2376IDE-18#TRPBF LTC2376IMS-18#PBF LTC2376IMS-18#PBF LTC2376IMS-18#TRPBF LTC2376IMS-18#TRPBF
Text Version of Document
LTC2376-18
Typical perForMance characTerisTics TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V, REF = 5V, fSMPL = 250ksps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
1.5 0.5 80000 σ = 0.7 0.4 70000 1.0 0.3 60000 0.2 0.5 0.1 50000 0.0 0.0 40000 –0.1 COUNTS 30000 INL ERROR (LSB) –0.5 DNL ERROR (LSB) –0.2 20000 –0.3 –1.0 –0.4 10000 –1.5 –0.5 0 –131072 –65536 0 65536 131072 –131072 –65536 0 65536 131072 –2 –1 0 1 2 3 OUTPUT CODE OUTPUT CODE CODE 237618 G01 237618 G02 237618 G03
32k Point FFT fS = 250ksps, THD, Harmonics fIN = 2kHz SNR, SINAD vs Input Frequency vs Input Frequency
0 103 –80 SNR = 102.3dB SNR THD –20 THD = –126dB 102 2ND SINAD = 102.2dB –90 3RD –40 101 SFDR = 127dB –60 100 SINAD –100 99 –80 98 –110 –100 97 AMPLITUDE (dBFS) –120 SNR, SINAD (dBFS) –120 96 –140 HARMONICS, THD (dBFS) 95 –130 –160 94 –180 93 –140 0 25 50 75 100 125 0 25 50 75 100 125 0 25 50 75 100 125 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 237618 TA02 237618 G05 237618 G06
SNR, SINAD vs Input level, SNR, SINAD vs Reference THD, Harmonics vs Reference fIN = 2kHz Voltage, fIN = 2kHz Voltage, fIN = 2kHz
103.0 103 –100 –105 102 –110 102.5 SNR 101 –115 SNR THD –120 SINAD 102.0 100 SINAD –125 2ND –130 3RD SNR, SINAD (dBFS) SNR, SINAD (dBFS) 99 –135 101.5 HARMONICS, THD (dBFS) 98 –140 –145 101.0 97 –150 –40 –30 –20 –10 0 2.5 3.0 3.5 4.0 4.5 5.0 2.5 3.0 3.5 4.0 4.5 5.0 INPUT LEVEL (dB) REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V) 237618 G07 237618 G08 237618 G09 237618fa 6 For more information www.linear.com/LTC2376-18 Document Outline Features Applications Typical Application Description 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 Board Layout Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V, REF = 5V, fSMPL = 250ksps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
1.5 0.5 80000 σ = 0.7 0.4 70000 1.0 0.3 60000 0.2 0.5 0.1 50000 0.0 0.0 40000 –0.1 COUNTS 30000 INL ERROR (LSB) –0.5 DNL ERROR (LSB) –0.2 20000 –0.3 –1.0 –0.4 10000 –1.5 –0.5 0 –131072 –65536 0 65536 131072 –131072 –65536 0 65536 131072 –2 –1 0 1 2 3 OUTPUT CODE OUTPUT CODE CODE 237618 G01 237618 G02 237618 G03
32k Point FFT fS = 250ksps, THD, Harmonics fIN = 2kHz SNR, SINAD vs Input Frequency vs Input Frequency
0 103 –80 SNR = 102.3dB SNR THD –20 THD = –126dB 102 2ND SINAD = 102.2dB –90 3RD –40 101 SFDR = 127dB –60 100 SINAD –100 99 –80 98 –110 –100 97 AMPLITUDE (dBFS) –120 SNR, SINAD (dBFS) –120 96 –140 HARMONICS, THD (dBFS) 95 –130 –160 94 –180 93 –140 0 25 50 75 100 125 0 25 50 75 100 125 0 25 50 75 100 125 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 237618 TA02 237618 G05 237618 G06
SNR, SINAD vs Input level, SNR, SINAD vs Reference THD, Harmonics vs Reference fIN = 2kHz Voltage, fIN = 2kHz Voltage, fIN = 2kHz
103.0 103 –100 –105 102 –110 102.5 SNR 101 –115 SNR THD –120 SINAD 102.0 100 SINAD –125 2ND –130 3RD SNR, SINAD (dBFS) SNR, SINAD (dBFS) 99 –135 101.5 HARMONICS, THD (dBFS) 98 –140 –145 101.0 97 –150 –40 –30 –20 –10 0 2.5 3.0 3.5 4.0 4.5 5.0 2.5 3.0 3.5 4.0 4.5 5.0 INPUT LEVEL (dB) REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V) 237618 G07 237618 G08 237618 G09 237618fa 6 For more information www.linear.com/LTC2376-18 Document Outline Features Applications Typical Application Description 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 Board Layout Package Description Revision History Typical Application Related Parts
