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AD8227ARMZ
+BOMIC INST AMP 1 CIRCUIT 8MSOP
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メーカーテキサス・インスツルメンツ
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メーカー品番 #AD8227ARMZ
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データシート AD8227ARMZ DataSheet
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パッケージ MSOP-8
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在庫状況7701
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package | Tube |
| ProductStatus | Active |
| AmplifierType | Instrumentation |
| NumberofCircuits | 1 |
| OutputType | Rail-to-Rail |
| SlewRate | 0.8V/µs |
| -3dbBandwidth | 250 kHz |
| Current-InputBias | 20 nA |
| Voltage-InputOffset | 200 µV |
| Current-Supply | 350µA |
| Current-Output/Channel | 13 mA |
| Voltage-SupplySpan(Min) | 2.2 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
概要
Description
The amplifier features a fixed gain of 5, simplifying design by eliminating external gain-setting resistors. With a high common-mode rejection ratio (CMRR) of up to 80 dB and a low input offset voltage, the AD8227 ensures precise signal amplification. Its low input bias current and low noise make it suitable for processing low-level signals.
Applications for the AD8227 include data acquisition systems, medical instrumentation, strain gauges, and other sensor interfaces where maintaining signal integrity is crucial. Its robust performance in challenging environments makes it a reliable choice for engineers looking for a balance of performance, size, and power efficiency.
Equivalent
1. INA128 by Texas Instruments
2. MAX4194 by Maxim Integrated
3. LT1167 by Analog Devices (formerly Linear Technology)
4. AD620 by Analog Devices
5. MCP6N11 by Microchip Technology
These alternatives may vary slightly in specifications, so it is crucial to verify parameters like gain accuracy, bandwidth, and input noise to ensure compatibility with your specific application.
Features
1. High CMRR (Common-Mode Rejection Ratio): It offers excellent noise rejection, making it suitable for precision applications.
2. Low Power Consumption: Designed for energy-efficient applications, it operates with minimal power usage.
3. Rail-to-Rail Output: This feature ensures the output voltage can swing close to the supply rails, maximizing the dynamic range.
4. Gain Configurability: The gain can be set via a single resistor, providing flexibility in various applications.
5. Low Offset Voltage: With a low offset voltage, it ensures accurate and stable readings.
6. Wide Supply Range: It can operate over a broad supply voltage range, enhancing its versatility.
7. Small Package Size: Available in a compact MSOP package, it’s suitable for space-constrained designs.
These characteristics make the AD8227ARMZ ideal for use in sensor interfaces, medical instrumentation, and data acquisition systems where precision and power efficiency are critical.
Pinout
The primary function of the AD8227 is to amplify small differential signals in the presence of large common-mode voltages. It is commonly used in applications requiring precision amplification of low-level signals, such as sensor signal conditioning. The amplifier offers low offset voltage, low noise, and high common-mode rejection ratio (CMRR).
Here is a concise breakdown of the pin functions for the 8-lead MSOP package:
1. IN+: Non-inverting input
2. IN-: Inverting input
3. RG1: Gain setting; connect to external resistor
4. RG2: Gain setting; connect to external resistor
5. V+: Positive power supply
6. REF: Reference voltage input
7. V-: Negative power supply
8. OUT: Output
The specific connections and external components can be configured depending on the desired gain and application requirements.
Manufacturer
Application
1. Medical Instrumentation: For amplifying low-level physiological signals like ECG and EEG.
2. Industrial Automation: Used in process control systems and sensor interfacing for precise measurements.
3. Weigh Scales: Essential for load cell signal amplification in weighing systems.
4. Data Acquisition Systems: Enhances the accuracy of analog signal measurements.
5. Test and Measurement Equipment: Used in precision testing setups where low noise and high gain stability are crucial.
6. Strain Gauge Amplifiers: Suitable for measuring mechanical stress through strain gauges.
Its small size and low power consumption make it versatile for compact and portable applications.