Datasheet LTC2435, LTC2435-1 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 20-Bit No Latency ΔΣ™ ADCs with Differential Input and Differential Reference |
| 页数 / 页 | 42 / 6 — Typical perForMance characTerisTics. Total Unadjusted Error (VCC = 5V,. … |
| 文件格式/大小 | PDF / 655 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. Total Unadjusted Error (VCC = 5V,. Total Unadjusted Error (VCC =. VREF = 5V). VREF = 2.5V)
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LTC2435/LTC2435-1
Typical perForMance characTerisTics Total Unadjusted Error (VCC = 5V, Total Unadjusted Error (VCC = 5V, Total Unadjusted Error (VCC = VREF = 5V) VREF = 2.5V) 2.7V, VREF = 2.5V)
–340 –680 –320 FO = GND FO = GND FO = GND VCC = 5V VCC = 5V VCC = 2.7V VREF = 5V –685 VREF = 2.5V VREF = 2.5V –345 VINCM = VINCM = 2.5V TA = –45°C VINCM = VINCM = 1.25V TA = –45°C –330 VINCM = VINCM = 1.25V ) –690 REF REF REF T T A = 25°C A = –45°C –350 TA = 25°C –695 –340 TA = 25°C TA = 85°C T TUE (ppm OF V A = 85°C T –700 A = 85°C TUE (ppm OF V TUE (ppm OF V –355 –350 –705 –360 –710 –360 –2.5 –1.5 –0.5 0.5 1.5 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 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 2435 G01 2435 G02 2435 G03
Integral Nonlinearity (VCC = 5V, Integral Nonlinearity (VCC = 5V, Integral Nonlinearity (VCC = 2.7V, VREF = 5V) VREF = 2.5V) VREF = 2.5V)
10 3 10 FO = GND 8 8 VCC = 2.7V 2 V 6 6 REF = 2.5V V T INCM = VINCM = 1.25V T ) 4 ) A = –45°C A = 25°C 1 ) 4 REF 2 TA = 25°C REF REF 2 TA = –45°C T 0 A = 85°C 0 0 –2 T –2 A = –45°C T T A = 85°C INL (ppm OF V –1 A = 85°C –4 INL (ppm OF V INL (ppm of V –4 F F TA = 25°C –6 O = GND O = GND V –6 CC = 5V –2 VCC = 5V –8 VREF = 5V VREF = 2.5V –8 VINCM = VINCM = 2.5V VINCM = VINCM = 1.25V –10 –3 –10 –2.5 –1.5 –0.5 0.5 1.5 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 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 2435 G04 2435 G05 2435 G06
Noise Histogram (Output Rate = Noise Histogram (Output Rate = 15Hz, VCC = 5V, V REF = 5V) 15Hz, VCC = 2.7V, V REF = 2.5V)
30 14 10,000 CONSECUTIVE READINGS 10,000 CONSECUTIVE READINGS VCC = 5V VCC = 2.7V GAUSSIAN 25 V 12 REF = 5V VREF = 2.5V DISTRIBUTION GAUSSIAN VIN = 0V VIN = 0V m = –365ppm DISTRIBUTION VINCM = 2.5V 10 VINCM = 2.5V σ = 1.55ppm 20 m = –325.4ppm FO = GND FO = GND T σ = 0.79ppm A = 25°C T 8 A = 25°C 15 6 10 4 NUMBER OF READINGS (%) NUMBER OF READINGS (%) 5 2 0 0 –330 –329–328 –327–326 –325–324–323 –322–321 –372 –370 –368 –366 –364 –362 –360 –358 OUTPUT CODE(ppm OF VREF) OUTPUT CODE (ppm OF VREF) 2435 G07 2435 G08 24351fc 6 For more information www.linear.com/LTC2435 Document Outline Features Description Applications Typical Applications Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Analog Input And Reference Digital Inputs And Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Applications Information Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics Total Unadjusted Error (VCC = 5V, Total Unadjusted Error (VCC = 5V, Total Unadjusted Error (VCC = VREF = 5V) VREF = 2.5V) 2.7V, VREF = 2.5V)
–340 –680 –320 FO = GND FO = GND FO = GND VCC = 5V VCC = 5V VCC = 2.7V VREF = 5V –685 VREF = 2.5V VREF = 2.5V –345 VINCM = VINCM = 2.5V TA = –45°C VINCM = VINCM = 1.25V TA = –45°C –330 VINCM = VINCM = 1.25V ) –690 REF REF REF T T A = 25°C A = –45°C –350 TA = 25°C –695 –340 TA = 25°C TA = 85°C T TUE (ppm OF V A = 85°C T –700 A = 85°C TUE (ppm OF V TUE (ppm OF V –355 –350 –705 –360 –710 –360 –2.5 –1.5 –0.5 0.5 1.5 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 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 2435 G01 2435 G02 2435 G03
Integral Nonlinearity (VCC = 5V, Integral Nonlinearity (VCC = 5V, Integral Nonlinearity (VCC = 2.7V, VREF = 5V) VREF = 2.5V) VREF = 2.5V)
10 3 10 FO = GND 8 8 VCC = 2.7V 2 V 6 6 REF = 2.5V V T INCM = VINCM = 1.25V T ) 4 ) A = –45°C A = 25°C 1 ) 4 REF 2 TA = 25°C REF REF 2 TA = –45°C T 0 A = 85°C 0 0 –2 T –2 A = –45°C T T A = 85°C INL (ppm OF V –1 A = 85°C –4 INL (ppm OF V INL (ppm of V –4 F F TA = 25°C –6 O = GND O = GND V –6 CC = 5V –2 VCC = 5V –8 VREF = 5V VREF = 2.5V –8 VINCM = VINCM = 2.5V VINCM = VINCM = 1.25V –10 –3 –10 –2.5 –1.5 –0.5 0.5 1.5 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 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 2435 G04 2435 G05 2435 G06
Noise Histogram (Output Rate = Noise Histogram (Output Rate = 15Hz, VCC = 5V, V REF = 5V) 15Hz, VCC = 2.7V, V REF = 2.5V)
30 14 10,000 CONSECUTIVE READINGS 10,000 CONSECUTIVE READINGS VCC = 5V VCC = 2.7V GAUSSIAN 25 V 12 REF = 5V VREF = 2.5V DISTRIBUTION GAUSSIAN VIN = 0V VIN = 0V m = –365ppm DISTRIBUTION VINCM = 2.5V 10 VINCM = 2.5V σ = 1.55ppm 20 m = –325.4ppm FO = GND FO = GND T σ = 0.79ppm A = 25°C T 8 A = 25°C 15 6 10 4 NUMBER OF READINGS (%) NUMBER OF READINGS (%) 5 2 0 0 –330 –329–328 –327–326 –325–324–323 –322–321 –372 –370 –368 –366 –364 –362 –360 –358 OUTPUT CODE(ppm OF VREF) OUTPUT CODE (ppm OF VREF) 2435 G07 2435 G08 24351fc 6 For more information www.linear.com/LTC2435 Document Outline Features Description Applications Typical Applications Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Analog Input And Reference Digital Inputs And Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Applications Information Package Description Revision History Typical Application Related Parts