Datasheet LTC2415, LTC2415-1 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | 24-Bit No Latency Delta Sigma ADC with Differential Input and Differential Reference |
| Seiten / Seite | 42 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Total Unadjusted Error Over. … |
| Dateiformat / Größe | PDF / 714 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. Total Unadjusted Error Over. Temperature (VCC = 5V,. Temperature (VCC = 2.7V,. VREF = 5V)
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LTC2415/LTC2415-1
TYPICAL PERFORMANCE CHARACTERISTICS Total Unadjusted Error Over Total Unadjusted Error Over Total Unadjusted Error Over Temperature (VCC = 5V, Temperature (VCC = 5V, Temperature (VCC = 2.7V, VREF = 5V) VREF = 2.5V) VREF = 2.5V)
106.5 215 125 VCC = 5V TA = 90°C V VCC = 2.7V REF+ = 2.5V REF = 5V V REF– = GND T 106.0 V REF = 2.5V A = 90°C INCM = 2.5V REF+ = 5V 213 121 VINCM = 1.25V FO = GND ) REF– = GND ) TA = 90°C ) 105.5 REF FO = GND REF REF T 211 117 A = 25°C 105.0 209 113 VCC = 5V T T TUE (ppm OF V 104.5 TUE (ppm OF V V A = –45°C A = 25°C REF = 2.5V TUE (ppm OF V V 207 INCM = 1.25V 109 104.0 T REF+ = 2.5V T A = –45°C A = 25°C REF– = GND TA = –45°C FO = GND 103.5 205 105 –2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 2.5 –1.25 –0.75 –0.25 0.25 0.75 1.25 –1.25 –0.75 –0.25 0.25 0.75 1.25 VIN (V) VIN (V) VIN (V) 2415 G01 2415 G02 2415 G03
Integral Nonlinearity Over Integral Nonlinearity Over Integral Nonlinearity Over Temperature (VCC = 5V, Temperature (VCC = 5V, Temperature (VCC = 2.7V, VREF = 5V) VREF = 2.5V) VREF = 2.5V)
1.5 2.5 10 VCC = 5V VCC = 5V REF+ = 2.5V V T REF = 5V TA = –45°C 2.0 V 8 REF = 2.5V REF– = GND A = 90°C 1.0 VINCM = 2.5V V F ) INCM = 1.25V O = GND REF+ = 5V T 1.5 6 A = 25°C ) T ) A = 25°C REF REF– = GND REF REF 4 0.5 1.0 FO = GND 0.5 2 0 0 0 TA = 25°C TA = 90°C –0.5 –2 –0.5 –1.0 –4 TA = –45°C INL ERROR (ppm OF V INL ERROR (ppm OF V TA = 90°C INL ERROR (ppm OF V –6 –1.0 –1.5 V REF+ = 2.5V T CC = 2.7V A = –45°C V REF– = GND –2.0 –8 REF = 2.5V VINCM = 1.25V FO = GND –1.5 –2.5 –10 –2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 2.5 –1.25 –0.75 –0.25 0.25 0.75 1.25 –1.25 –0.75 –0.25 0.25 0.75 1.25 VIN (V) VIN (V) VIN (V) 2415 G04 2415 G05 2415 G06
Noise Histogram Noise Histogram Noise Histogram (Output Rate = 15Hz, (Output Rate = 45Hz, (Output Rate = 15Hz, VCC = 5V, VREF = 5V) VCC = 5V, VREF = 5V) VCC = 5V, VREF = 2.5V)
12 10 12 10,000 CONSECUTIVE GAUSSIAN 10,000 CONSECUTIVE GAUSSIAN 10,000 CONSECUTIVE GAUSSIAN READINGS DISTRIBUTION READINGS DISTRIBUTION READINGS DISTRIBUTION 10 VCC = 5V m = –103.5ppm VCC = 5V m = –104.0ppm 10 VCC = 5V m = –209.2ppm V 8 REF = 5V σ = 0.27ppm VREF = 5V σ = 0.25ppm VREF = 2.5V σ = 0.56ppm VIN = 0V VIN = 0V VIN = 0V 8 REF+ = 5V REF+ = 5V 8 REF+ = 2.5V REF– = GND 6 REF– = GND REF– = GND IN+ = 1.25V 6 IN+ = 2.5V IN+ = 2.5V 6 IN– = 2.5V IN– = 2.5V IN– = 1.25V FO = GND 4 FO = 460800Hz FO = GND 4 TA = 25°C TA = 25°C 4 TA = 25C NUMBER OF READINGS (%) NUMBER OF READINGS (%) NUMBER OF READINGS (%) 2 2 2 0 0 0 –105.5 –104.8 –104 –103.3 –102.5 –105 –104.5 –104 –103.5 –103 –212 –210.5 –209 –207.5 –206 OUTPUT CODE (ppm OF VREF) OUTPUT CODE (ppm OF VREF) OUTPUT CODE (ppm OF VREF) 2415 G07 2415 G08 2415 G10 2415fa 6 For more information www.linear.com/LTC2415 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Converter Characteristics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) Analog Input and Reference The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) Electrical Characteristics Digital Inputs and Digital Outputs The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3) Power Requirements The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) Analog Input and Reference The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) Timing Characteristics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Applications Information Typical Applications PCB Layout and Film Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Total Unadjusted Error Over Total Unadjusted Error Over Total Unadjusted Error Over Temperature (VCC = 5V, Temperature (VCC = 5V, Temperature (VCC = 2.7V, VREF = 5V) VREF = 2.5V) VREF = 2.5V)
106.5 215 125 VCC = 5V TA = 90°C V VCC = 2.7V REF+ = 2.5V REF = 5V V REF– = GND T 106.0 V REF = 2.5V A = 90°C INCM = 2.5V REF+ = 5V 213 121 VINCM = 1.25V FO = GND ) REF– = GND ) TA = 90°C ) 105.5 REF FO = GND REF REF T 211 117 A = 25°C 105.0 209 113 VCC = 5V T T TUE (ppm OF V 104.5 TUE (ppm OF V V A = –45°C A = 25°C REF = 2.5V TUE (ppm OF V V 207 INCM = 1.25V 109 104.0 T REF+ = 2.5V T A = –45°C A = 25°C REF– = GND TA = –45°C FO = GND 103.5 205 105 –2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 2.5 –1.25 –0.75 –0.25 0.25 0.75 1.25 –1.25 –0.75 –0.25 0.25 0.75 1.25 VIN (V) VIN (V) VIN (V) 2415 G01 2415 G02 2415 G03
Integral Nonlinearity Over Integral Nonlinearity Over Integral Nonlinearity Over Temperature (VCC = 5V, Temperature (VCC = 5V, Temperature (VCC = 2.7V, VREF = 5V) VREF = 2.5V) VREF = 2.5V)
1.5 2.5 10 VCC = 5V VCC = 5V REF+ = 2.5V V T REF = 5V TA = –45°C 2.0 V 8 REF = 2.5V REF– = GND A = 90°C 1.0 VINCM = 2.5V V F ) INCM = 1.25V O = GND REF+ = 5V T 1.5 6 A = 25°C ) T ) A = 25°C REF REF– = GND REF REF 4 0.5 1.0 FO = GND 0.5 2 0 0 0 TA = 25°C TA = 90°C –0.5 –2 –0.5 –1.0 –4 TA = –45°C INL ERROR (ppm OF V INL ERROR (ppm OF V TA = 90°C INL ERROR (ppm OF V –6 –1.0 –1.5 V REF+ = 2.5V T CC = 2.7V A = –45°C V REF– = GND –2.0 –8 REF = 2.5V VINCM = 1.25V FO = GND –1.5 –2.5 –10 –2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 2.5 –1.25 –0.75 –0.25 0.25 0.75 1.25 –1.25 –0.75 –0.25 0.25 0.75 1.25 VIN (V) VIN (V) VIN (V) 2415 G04 2415 G05 2415 G06
Noise Histogram Noise Histogram Noise Histogram (Output Rate = 15Hz, (Output Rate = 45Hz, (Output Rate = 15Hz, VCC = 5V, VREF = 5V) VCC = 5V, VREF = 5V) VCC = 5V, VREF = 2.5V)
12 10 12 10,000 CONSECUTIVE GAUSSIAN 10,000 CONSECUTIVE GAUSSIAN 10,000 CONSECUTIVE GAUSSIAN READINGS DISTRIBUTION READINGS DISTRIBUTION READINGS DISTRIBUTION 10 VCC = 5V m = –103.5ppm VCC = 5V m = –104.0ppm 10 VCC = 5V m = –209.2ppm V 8 REF = 5V σ = 0.27ppm VREF = 5V σ = 0.25ppm VREF = 2.5V σ = 0.56ppm VIN = 0V VIN = 0V VIN = 0V 8 REF+ = 5V REF+ = 5V 8 REF+ = 2.5V REF– = GND 6 REF– = GND REF– = GND IN+ = 1.25V 6 IN+ = 2.5V IN+ = 2.5V 6 IN– = 2.5V IN– = 2.5V IN– = 1.25V FO = GND 4 FO = 460800Hz FO = GND 4 TA = 25°C TA = 25°C 4 TA = 25C NUMBER OF READINGS (%) NUMBER OF READINGS (%) NUMBER OF READINGS (%) 2 2 2 0 0 0 –105.5 –104.8 –104 –103.3 –102.5 –105 –104.5 –104 –103.5 –103 –212 –210.5 –209 –207.5 –206 OUTPUT CODE (ppm OF VREF) OUTPUT CODE (ppm OF VREF) OUTPUT CODE (ppm OF VREF) 2415 G07 2415 G08 2415 G10 2415fa 6 For more information www.linear.com/LTC2415 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Converter Characteristics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) Analog Input and Reference The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) Electrical Characteristics Digital Inputs and Digital Outputs The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3) Power Requirements The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) Analog Input and Reference The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) Timing Characteristics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Applications Information Typical Applications PCB Layout and Film Package Description Revision History Typical Application Related Parts