Datasheet AD8232 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Single-Lead, Heart Rate Monitor Front End |
| 页数 / 页 | 32 / 6 — AD8232. Data Sheet. Test Conditions/. A Grade. W Grade. Parameter. Symbol … |
| 修订版 | D |
| 文件格式/大小 | PDF / 686 Kb |
| 文件语言 | 英语 |
AD8232. Data Sheet. Test Conditions/. A Grade. W Grade. Parameter. Symbol Comments. Min. Typ. Max. Unit
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AD8232 Data Sheet Test Conditions/ A Grade W Grade Parameter Symbol Comments Min Typ Max Min Typ Max Unit
LOGIC INTERFACE Input Characteristics Input Voltage (AC/DC and FR) Low VIL 1.24 1.24 V High VIH 1.35 1.35 V Input Voltage (SDN) Low VIL 2.1 2.1 V High VIH 0.5 0.5 V Output Characteristics LOD+ and LOD− terminals Output Voltage Low VOL 0.05 0.05 V High VOH 2.95 2.95 V SYSTEM SPECIFICATIONS Quiescent Supply Current 170 230 170 230 µA TA = 0°C to 70°C 210 µA TOPR 270 µA Shutdown Current 40 500 40 500 nA TA = 0°C to 70°C 100 nA TOPR 612 nA Supply Range 2.0 3.5 2.0 3.5 V Specified Temperature Range 0 +70 −40 +105 °C Operational Temperature Range −40 +85 −40 +105 °C 1 Offset referred to the input of the instrumentation amplifier inputs. See the Input Referred Offsets section for additional information. Rev. D | Page 6 of 32 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Instrumentation Amplifier Performance Curves Operational Amplifier Performance Curves Right Leg Drive (RLD) Amplifier Performance Curves Reference Buffer Performance Curves System Performance Curves Theory of Operation Architecture Overview Instrumentation Amplifier Operational Amplifier Right Leg Drive Amplifier Reference Buffer Fast Restore Circuit Leads Off Detection DC Leads Off Detection AC Leads Off Detection Standby Operation Input Protection Radio Frequency Interference (RFI) Power Supply Regulation and Bypassing Input Referred Offsets Layout Recommendations Applications Information Eliminating Electrode Offsets High-Pass Filtering Two-Pole High-Pass Filter Additional High-Pass Filtering Options Low-Pass Filtering and Gain Driving Analog-to-Digital Converters Driven Electrode Application Circuits Heart Rate Measurement Next to the Heart Exercise Application: Heart Rate Measured at the Hands Cardiac Monitor Configuration Portable Cardiac Monitor with Elimination of Motion Artifacts Packaging and Ordering Information Outline Dimensions Ordering Guide
AD8232 Data Sheet Test Conditions/ A Grade W Grade Parameter Symbol Comments Min Typ Max Min Typ Max Unit
LOGIC INTERFACE Input Characteristics Input Voltage (AC/DC and FR) Low VIL 1.24 1.24 V High VIH 1.35 1.35 V Input Voltage (SDN) Low VIL 2.1 2.1 V High VIH 0.5 0.5 V Output Characteristics LOD+ and LOD− terminals Output Voltage Low VOL 0.05 0.05 V High VOH 2.95 2.95 V SYSTEM SPECIFICATIONS Quiescent Supply Current 170 230 170 230 µA TA = 0°C to 70°C 210 µA TOPR 270 µA Shutdown Current 40 500 40 500 nA TA = 0°C to 70°C 100 nA TOPR 612 nA Supply Range 2.0 3.5 2.0 3.5 V Specified Temperature Range 0 +70 −40 +105 °C Operational Temperature Range −40 +85 −40 +105 °C 1 Offset referred to the input of the instrumentation amplifier inputs. See the Input Referred Offsets section for additional information. Rev. D | Page 6 of 32 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Instrumentation Amplifier Performance Curves Operational Amplifier Performance Curves Right Leg Drive (RLD) Amplifier Performance Curves Reference Buffer Performance Curves System Performance Curves Theory of Operation Architecture Overview Instrumentation Amplifier Operational Amplifier Right Leg Drive Amplifier Reference Buffer Fast Restore Circuit Leads Off Detection DC Leads Off Detection AC Leads Off Detection Standby Operation Input Protection Radio Frequency Interference (RFI) Power Supply Regulation and Bypassing Input Referred Offsets Layout Recommendations Applications Information Eliminating Electrode Offsets High-Pass Filtering Two-Pole High-Pass Filter Additional High-Pass Filtering Options Low-Pass Filtering and Gain Driving Analog-to-Digital Converters Driven Electrode Application Circuits Heart Rate Measurement Next to the Heart Exercise Application: Heart Rate Measured at the Hands Cardiac Monitor Configuration Portable Cardiac Monitor with Elimination of Motion Artifacts Packaging and Ordering Information Outline Dimensions Ordering Guide