Datasheet ADR225 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | High Temperature, Low Drift, Micropower, 2.5V Reference |
| 页数 / 页 | 12 / 9 — Data Sheet. ADR225. THEORY OF OPERATION BASIC VOLTAGE REFERENCE … |
| 修订版 | B |
| 文件格式/大小 | PDF / 243 Kb |
| 文件语言 | 英语 |
Data Sheet. ADR225. THEORY OF OPERATION BASIC VOLTAGE REFERENCE CONNECTIONS. NC 1. 8 NC. VS 2. 7 NC. 10µF. 0.1µF. OUTPUT. NC 3. 1µF. 5 NC. TANT
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Data Sheet ADR225 THEORY OF OPERATION BASIC VOLTAGE REFERENCE CONNECTIONS NC 1 8 NC
The circuit shown in Figure 24 is the basic configuration for the
VS 2 7 NC
ADR225. Note that a 10 µF and 0.1 µF bypass network on the input
10µF 0.1µF ADR225 OUTPUT NC 3 6
and at least a 1 µF bypass capacitor on the output are required for
+ + 1µF 1µF 4 5 NC TANT
proper device operation. It is recommended that no connections 002 be made to Pin 1, Pin 3, Pin 5, Pin 7, and Pin 8.
NC = NO CONNECT.
1525- 1 Figure 24. Basic Voltage Reference Connections
VCC V+ +5V +5V U1 ADR225 R2 U2A V +VS S 2.5kΩ +IN A AD8634 OUTPUT +5V + C1 C2 R3 + 10µF 0.1µF C3 C4 GND 2.5kΩ –IN A U3 1µF 0.1µF AD8229 +IN –5V VOUT RTD V– –IN R1 2.5kΩ
017
–5V –VS
11525- Figure 25. Typical High Temperature Resistance Temperature Detector (RTD) Signal Conditioning Circuit Rev. B | Page 9 of 12 Document Outline Features Applications Pin Configuration General Description Table of Contents Revision History Specifications Electrical Characteristics Absolute Maximum Ratings Predicted Lifetime vs. Operating Temperature Thermal Resistance ESD Caution Typical Performance Characteristics Theory of Operation Basic Voltage Reference Connections Outline Dimensions Ordering Guide
Data Sheet ADR225 THEORY OF OPERATION BASIC VOLTAGE REFERENCE CONNECTIONS NC 1 8 NC
The circuit shown in Figure 24 is the basic configuration for the
VS 2 7 NC
ADR225. Note that a 10 µF and 0.1 µF bypass network on the input
10µF 0.1µF ADR225 OUTPUT NC 3 6
and at least a 1 µF bypass capacitor on the output are required for
+ + 1µF 1µF 4 5 NC TANT
proper device operation. It is recommended that no connections 002 be made to Pin 1, Pin 3, Pin 5, Pin 7, and Pin 8.
NC = NO CONNECT.
1525- 1 Figure 24. Basic Voltage Reference Connections
VCC V+ +5V +5V U1 ADR225 R2 U2A V +VS S 2.5kΩ +IN A AD8634 OUTPUT +5V + C1 C2 R3 + 10µF 0.1µF C3 C4 GND 2.5kΩ –IN A U3 1µF 0.1µF AD8229 +IN –5V VOUT RTD V– –IN R1 2.5kΩ
017
–5V –VS
11525- Figure 25. Typical High Temperature Resistance Temperature Detector (RTD) Signal Conditioning Circuit Rev. B | Page 9 of 12 Document Outline Features Applications Pin Configuration General Description Table of Contents Revision History Specifications Electrical Characteristics Absolute Maximum Ratings Predicted Lifetime vs. Operating Temperature Thermal Resistance ESD Caution Typical Performance Characteristics Theory of Operation Basic Voltage Reference Connections Outline Dimensions Ordering Guide