Datasheet LTC2348-16 (Analog Devices) - 9
| Hersteller | Analog Devices |
| Beschreibung | Octal, 16-Bit, 200ksps Differential ±10.24V Input SoftSpan ADC with Wide Input Common Mode Range |
| Seiten / Seite | 40 / 9 — Typical perForMance characTerisTics. TA = 25°C, VCC = +15V, VEE = –15V, … |
| Dateiformat / Größe | PDF / 1.5 Mb |
| Dokumentensprache | Englisch |
Typical perForMance characTerisTics. TA = 25°C, VCC = +15V, VEE = –15V, VDD = 5V,
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LTC2348-16
Typical perForMance characTerisTics TA = 25°C, VCC = +15V, VEE = –15V, VDD = 5V, OVDD = 2.5V, Internal Reference and Buffer (VREFBUF = 4.096V), fSMPL = 200ksps, unless otherwise noted. Integral Nonlinearity Integral Nonlinearity Differential Nonlinearity vs Output Code and Channel vs Output Code and Channel vs Output Code and Channel
1.00 1.00 0.5 ±10.24V RANGE ±10.24V RANGE ALL RANGES 0.75 TRUE BIPOLAR DRIVE (IN– = 0V) 0.75 FULLY DIFFERENTIAL DRIVE (IN– = –IN+) 0.4 ALL CHANNELS ALL CHANNELS ALL CHANNELS 0.3 0.50 0.50 0.2 0.25 0.25 0.1 0 0 0.0 –0.25 –0.25 –0.1 INL ERROR (LSB) INL ERROR (LSB) DNL ERROR (LSB) –0.2 –0.50 –0.50 –0.3 –0.75 –0.75 –0.4 –1.00 –1.00 –0.5 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 0 16384 32768 49152 65536 OUTPUT CODE OUTPUT CODE OUTPUT CODE 234816 G01 234816 G02 234816 G03
Integral Nonlinearity Integral Nonlinearity Integral Nonlinearity vs Output Code and Range vs Output Code and Range vs Output Code and Range
1.00 1.00 1.00 TRUE BIPOLAR DRIVE (IN– = 0V) FULLY DIFFERENTIAL DRIVE (IN– = –IN+) UNIPOLAR DRIVE (IN– = 0V) 0.75 ONE CHANNEL 0.75 ONE CHANNEL 0.75 ONE CHANNEL 0.50 0.50 0.50 ±10.24V AND ±10V ±10.24V, ±10V, 0.25 RANGES ±5.12V AND ±5V 0.25 ±5.12V, AND ±5V 0V TO 5.12V 0.25 RANGES RANGES RANGE 0 0 0 –0.25 –0.25 –0.25 INL ERROR (LSB) INL ERROR (LSB) INL ERROR (LSB) –0.50 –0.50 –0.50 0V TO 10.24V AND 0V TO 10V RANGES –0.75 –0.75 –0.75 –1.00 –1.00 –1.00 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 0 16384 32768 49152 65536 OUTPUT CODE OUTPUT CODE OUTPUT CODE 234816 G04 234816 G05 234816 G06
Integral Nonlinearity vs Output Code DC Histogram (Zero-Scale) DC Histogram (Near Full-Scale)
1.00 180000 180000 ±10.24V RANGE ±10.24V RANGE ±10.24V RANGE 160000 0.75 σ = 0.33 160000 σ = 0.35 TRUE BIPOLAR DRIVE (IN– = 0V) 140000 140000 0.50 120000 120000 0.25 100000 100000 0 80000 COUNTS 80000 COUNTS –0.25 INL ERROR (LSB) 60000 60000 –0.50 ARBITRARY DRIVE 40000 40000 IN+/IN– COMMON MODE –0.75 SWEPT –10.24V TO 10.24V 20000 20000 –1.00 0 0 –32768 –16384 0 16384 32768 –4 –3 –2 –1 0 1 2 3 4 32759 32761 32763 32765 32767 OUTPUT CODE CODE CODE 234816 G07 234816 G08 234816 G09 234816fa For more information www.linear.com/LTC2348-16 9 Document Outline Features Description Applications 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 Configuration Tables Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, VCC = +15V, VEE = –15V, VDD = 5V, OVDD = 2.5V, Internal Reference and Buffer (VREFBUF = 4.096V), fSMPL = 200ksps, unless otherwise noted. Integral Nonlinearity Integral Nonlinearity Differential Nonlinearity vs Output Code and Channel vs Output Code and Channel vs Output Code and Channel
1.00 1.00 0.5 ±10.24V RANGE ±10.24V RANGE ALL RANGES 0.75 TRUE BIPOLAR DRIVE (IN– = 0V) 0.75 FULLY DIFFERENTIAL DRIVE (IN– = –IN+) 0.4 ALL CHANNELS ALL CHANNELS ALL CHANNELS 0.3 0.50 0.50 0.2 0.25 0.25 0.1 0 0 0.0 –0.25 –0.25 –0.1 INL ERROR (LSB) INL ERROR (LSB) DNL ERROR (LSB) –0.2 –0.50 –0.50 –0.3 –0.75 –0.75 –0.4 –1.00 –1.00 –0.5 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 0 16384 32768 49152 65536 OUTPUT CODE OUTPUT CODE OUTPUT CODE 234816 G01 234816 G02 234816 G03
Integral Nonlinearity Integral Nonlinearity Integral Nonlinearity vs Output Code and Range vs Output Code and Range vs Output Code and Range
1.00 1.00 1.00 TRUE BIPOLAR DRIVE (IN– = 0V) FULLY DIFFERENTIAL DRIVE (IN– = –IN+) UNIPOLAR DRIVE (IN– = 0V) 0.75 ONE CHANNEL 0.75 ONE CHANNEL 0.75 ONE CHANNEL 0.50 0.50 0.50 ±10.24V AND ±10V ±10.24V, ±10V, 0.25 RANGES ±5.12V AND ±5V 0.25 ±5.12V, AND ±5V 0V TO 5.12V 0.25 RANGES RANGES RANGE 0 0 0 –0.25 –0.25 –0.25 INL ERROR (LSB) INL ERROR (LSB) INL ERROR (LSB) –0.50 –0.50 –0.50 0V TO 10.24V AND 0V TO 10V RANGES –0.75 –0.75 –0.75 –1.00 –1.00 –1.00 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 0 16384 32768 49152 65536 OUTPUT CODE OUTPUT CODE OUTPUT CODE 234816 G04 234816 G05 234816 G06
Integral Nonlinearity vs Output Code DC Histogram (Zero-Scale) DC Histogram (Near Full-Scale)
1.00 180000 180000 ±10.24V RANGE ±10.24V RANGE ±10.24V RANGE 160000 0.75 σ = 0.33 160000 σ = 0.35 TRUE BIPOLAR DRIVE (IN– = 0V) 140000 140000 0.50 120000 120000 0.25 100000 100000 0 80000 COUNTS 80000 COUNTS –0.25 INL ERROR (LSB) 60000 60000 –0.50 ARBITRARY DRIVE 40000 40000 IN+/IN– COMMON MODE –0.75 SWEPT –10.24V TO 10.24V 20000 20000 –1.00 0 0 –32768 –16384 0 16384 32768 –4 –3 –2 –1 0 1 2 3 4 32759 32761 32763 32765 32767 OUTPUT CODE CODE CODE 234816 G07 234816 G08 234816 G09 234816fa For more information www.linear.com/LTC2348-16 9 Document Outline Features Description Applications 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 Configuration Tables Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Revision History Typical Application Related Parts