Datasheet LTC2057, LTC2057HV (Analog Devices) - 24
| Hersteller | Analog Devices |
| Beschreibung | High Voltage, Low Noise Zero-Drift Operational Amplifier |
| Seiten / Seite | 32 / 24 — Typical applicaTions. Paralleling Choppers to Improve Noise |
| Dateiformat / Größe | PDF / 1.6 Mb |
| Dokumentensprache | Englisch |
Typical applicaTions. Paralleling Choppers to Improve Noise
Modelllinie für dieses Datenblatt
- LTC2057HDD#PBF LTC2057HDD#TRPBF LTC2057HMS#PBF LTC2057HMS#TRPBF LTC2057HMS8#PBF LTC2057HMS8#TRPBF LTC2057HS8#PBF LTC2057HS8#TRPBF LTC2057HVHDD#PBF LTC2057HVHDD#TRPBF LTC2057HVHMS#PBF LTC2057HVHMS#TRPBF LTC2057HVHMS8#PBF LTC2057HVHMS8#TRMPBF LTC2057HVHMS8#TRPBF LTC2057HVHS8#PBF LTC2057HVHS8#TRPBF LTC2057HVIDD#PBF LTC2057HVIDD#TRPBF LTC2057HVIMS#PBF LTC2057HVIMS#TRPBF LTC2057HVIMS8#PBF LTC2057HVIMS8#TRMPBF LTC2057HVIMS8#TRPBF LTC2057HVIS8#PBF LTC2057HVIS8#TRPBF LTC2057IDD#PBF LTC2057IDD#TRPBF LTC2057IMS#PBF LTC2057IMS#TRPBF LTC2057IMS8#PBF LTC2057IMS8#TRPBF LTC2057IS8#PBF LTC2057IS8#TRPBF
Textversion des Dokuments
LTC2057/LTC2057HV
Typical applicaTions Paralleling Choppers to Improve Noise
+ R5 LTC2057 – R2 R1 + R5 LTC2057 – R2 R2 AV = +1 R4 • +1 V R1 R3 IN + R1 LTC2057 VOUT – R4 + R5 LTC2057 R3 – R2 R1 + R5 LTC2057 – R2 2057 TA04 R1 DC TO 10Hz NOISE = 200nVP-P , e 11nV/√Hz n = , in = √N • 170fA/√Hz, IB < N • 200pA (MAX) √N √N WHERE N IS THE NUMBER OF PARALLELED INPUT AMPLIFIERS. FOR N = 4, DC TO 10Hz NOISE = 100nVP-P, en = 5.5nV/√Hz, in = 340fA/√Hz, IB < 800pA (MAX). R5 SHOULD BE A FEW HUNDRED OHMS TO ISOLATE AMPLIFIER OUTPUTS WITHOUT CONTRIBUTING SIGNIFICANTLY TO NOISE OR IB-INDUCED ERROR. R2 +1 >> √N FOR OUTPUT AMPLIFIER NOISE TO BE INSIGNIFICANT. R1 2057f 24 For more information www.linear.com/LTC2057 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Applications Information Typical Applications Package Description Typical Application Related Parts
Typical applicaTions Paralleling Choppers to Improve Noise
+ R5 LTC2057 – R2 R1 + R5 LTC2057 – R2 R2 AV = +1 R4 • +1 V R1 R3 IN + R1 LTC2057 VOUT – R4 + R5 LTC2057 R3 – R2 R1 + R5 LTC2057 – R2 2057 TA04 R1 DC TO 10Hz NOISE = 200nVP-P , e 11nV/√Hz n = , in = √N • 170fA/√Hz, IB < N • 200pA (MAX) √N √N WHERE N IS THE NUMBER OF PARALLELED INPUT AMPLIFIERS. FOR N = 4, DC TO 10Hz NOISE = 100nVP-P, en = 5.5nV/√Hz, in = 340fA/√Hz, IB < 800pA (MAX). R5 SHOULD BE A FEW HUNDRED OHMS TO ISOLATE AMPLIFIER OUTPUTS WITHOUT CONTRIBUTING SIGNIFICANTLY TO NOISE OR IB-INDUCED ERROR. R2 +1 >> √N FOR OUTPUT AMPLIFIER NOISE TO BE INSIGNIFICANT. R1 2057f 24 For more information www.linear.com/LTC2057 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Applications Information Typical Applications Package Description Typical Application Related Parts