Datasheet LTC2358-18 (Analog Devices) - 9
| Hersteller | Analog Devices |
| Beschreibung | Buffered Octal, 18-Bit, 200ksps/Ch Differential ±10.24V ADC with 30VP-P Common Mode Range |
| Seiten / Seite | 38 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VCC = +15V, VEE = –15V, … |
| Dateiformat / Größe | PDF / 2.3 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VCC = +15V, VEE = –15V, VDD = 5V,
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LTC2358-18
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
2.0 2.0 0.5 ±10.24V RANGE ±10.24V RANGE ALL RANGES TRUE BIPOLAR DRIVE (IN– = 0V) FULLY DIFFERENTIAL DRIVE (IN– = –IN+) 0.4 ALL CHANNELS 1.5 1.5 ALL CHANNELS ALL CHANNELS 0.3 1.0 1.0 0.2 0.5 0.5 0.1 0 0 0.0 –0.1 –0.5 –0.5 INL ERROR (LSB) INL ERROR (LSB) DNL ERROR (LSB) –0.2 –1.0 –1.0 –0.3 –1.5 –1.5 –0.4 –2.0 –2.0 –0.5 –131072 –65536 0 65536 131072 –131072 –65536 0 65536 131072 0 65536 131072 196608 262144 OUTPUT CODE OUTPUT CODE OUTPUT CODE 235818 G01 235818 G02 235818 G03
Integral Nonlinearity Integral Nonlinearity Integral Nonlinearity vs Output Code and Range vs Output Code and Range vs Output Code and Range
2.0 2.0 2.0 TRUE BIPOLAR DRIVE (IN– = 0V) FULLY DIFFERENTIAL DRIVE (IN– = –IN+) UNIPOLAR DRIVE (IN– = 0V) ONE CHANNEL 1.5 ONE CHANNEL 1.5 ONE CHANNEL 1.5 1.0 1.0 ±5.12V, AND ±5V 1.0 RANGES 0V TO 5.12V RANGE 0.5 0.5 0.5 0 0 0 –0.5 –0.5 –0.5 INL ERROR (LSB) ±5.12V AND ±5V ±10.24V, ±10V INL ERROR (LSB) INL ERROR (LSB) ±10.24V AND ±10V RANGES –1.0 RANGES RANGES –1.0 –1.0 –1.5 –1.5 –1.5 0V TO 10.24V AND 0V TO 10V RANGES –2.0 –2.0 –2.0 –131072 –65536 0 65536 131072 –131072 –65536 0 65536 131072 0 65536 131072 196608 262144 OUTPUT CODE OUTPUT CODE OUTPUT CODE 235818 G04 235818 G05 235818 G06
Integral Nonlinearity vs Output Code DC Histogram (Zero-Scale) DC Histogram (Near Full-Scale)
2.0 100000 90000 ±10.24V RANGE ±10.24V RANGE ±10.24V RANGE 90000 1.5 σ = 1.35 80000 σ = 1.4 TRUE BIPOLAR DRIVE (IN– = 0V) 80000 70000 1.0 70000 60000 0.5 60000 50000 0 50000 COUNTS 40000 40000 COUNTS –0.5 INL ERROR (LSB) 30000 30000 –1.0 20000 20000 ARBITRARY DRIVE –1.5 IN+/IN– COMMON MODE 10000 10000 SWEPT –10.24V to 10.24V –2.0 0 0 –131072 –65536 0 65536 131072 –6 –4 –2 0 2 4 6 131024 131027 131030 131033 131036 OUTPUT CODE CODE CODE 235818 G07 235818 G08 235818 G09 235818f For more information www.linear.com/LTC2358-18 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration 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 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
2.0 2.0 0.5 ±10.24V RANGE ±10.24V RANGE ALL RANGES TRUE BIPOLAR DRIVE (IN– = 0V) FULLY DIFFERENTIAL DRIVE (IN– = –IN+) 0.4 ALL CHANNELS 1.5 1.5 ALL CHANNELS ALL CHANNELS 0.3 1.0 1.0 0.2 0.5 0.5 0.1 0 0 0.0 –0.1 –0.5 –0.5 INL ERROR (LSB) INL ERROR (LSB) DNL ERROR (LSB) –0.2 –1.0 –1.0 –0.3 –1.5 –1.5 –0.4 –2.0 –2.0 –0.5 –131072 –65536 0 65536 131072 –131072 –65536 0 65536 131072 0 65536 131072 196608 262144 OUTPUT CODE OUTPUT CODE OUTPUT CODE 235818 G01 235818 G02 235818 G03
Integral Nonlinearity Integral Nonlinearity Integral Nonlinearity vs Output Code and Range vs Output Code and Range vs Output Code and Range
2.0 2.0 2.0 TRUE BIPOLAR DRIVE (IN– = 0V) FULLY DIFFERENTIAL DRIVE (IN– = –IN+) UNIPOLAR DRIVE (IN– = 0V) ONE CHANNEL 1.5 ONE CHANNEL 1.5 ONE CHANNEL 1.5 1.0 1.0 ±5.12V, AND ±5V 1.0 RANGES 0V TO 5.12V RANGE 0.5 0.5 0.5 0 0 0 –0.5 –0.5 –0.5 INL ERROR (LSB) ±5.12V AND ±5V ±10.24V, ±10V INL ERROR (LSB) INL ERROR (LSB) ±10.24V AND ±10V RANGES –1.0 RANGES RANGES –1.0 –1.0 –1.5 –1.5 –1.5 0V TO 10.24V AND 0V TO 10V RANGES –2.0 –2.0 –2.0 –131072 –65536 0 65536 131072 –131072 –65536 0 65536 131072 0 65536 131072 196608 262144 OUTPUT CODE OUTPUT CODE OUTPUT CODE 235818 G04 235818 G05 235818 G06
Integral Nonlinearity vs Output Code DC Histogram (Zero-Scale) DC Histogram (Near Full-Scale)
2.0 100000 90000 ±10.24V RANGE ±10.24V RANGE ±10.24V RANGE 90000 1.5 σ = 1.35 80000 σ = 1.4 TRUE BIPOLAR DRIVE (IN– = 0V) 80000 70000 1.0 70000 60000 0.5 60000 50000 0 50000 COUNTS 40000 40000 COUNTS –0.5 INL ERROR (LSB) 30000 30000 –1.0 20000 20000 ARBITRARY DRIVE –1.5 IN+/IN– COMMON MODE 10000 10000 SWEPT –10.24V to 10.24V –2.0 0 0 –131072 –65536 0 65536 131072 –6 –4 –2 0 2 4 6 131024 131027 131030 131033 131036 OUTPUT CODE CODE CODE 235818 G07 235818 G08 235818 G09 235818f For more information www.linear.com/LTC2358-18 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration 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 Typical Application Related Parts