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OPA380的基本参数
  • 制造厂商:TI
  • 产品类别:放大器
  • 技术类目:特殊功能放大器 - 跨阻放大器
  • 功能描述:单通道高速精密跨阻放大器
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OPA380的产品详情:

The OPA380 family of transimpedance amplifiers provides high-speed (90MHz Gain Bandwidth [GBW]) operation, with extremely high precision, excellent long-term stability, and very low 1/f noise. It is ideally suited for high-speed photodiode applications. The OPA380 features an offset voltage of 25µV, offset drift of 0.1µV/°C, and bias current of 50pA. The OPA380 far exceeds the offset, drift, and noise performance that conventional JFET op amps provide.

The signal bandwidth of a transimpedance amplifier depends largely on the GBW of the amplifier and the parasitic capacitance of the photodiode, as well as the feedback resistor. The 90MHz GBW of the OPA380 enables a transimpedance bandwidth of > 1MHz in most configurations. The OPA380 is ideally suited for fast control loops for power level on an optical fiber.

As a result of the high precision and low-noise characteristics of the OPA380, a dynamic range of 4 to 5 decades can be achieved. For example, this capability allows the measurement of signal currents on the order of 1nA, and up to 100µA in a single I/V conversion stage. In contrast to logarithmic amplifiers, the OPA380 provides very wide bandwidth throughout the full dynamic range. By using an external pull-down resistor to -5V, the output voltage range can be extended to include 0V.

The OPA380 (single) is available in MSOP-8 and SO-8 packages. The OPA2380 (dual) is available in the miniature MSOP-8 package. They are specified from -40°C to +125°C.

OPA380的优势和特性:
  • > 1MHz TRANSIMPEDANCE BANDWIDTH
  • EXCELLENT LONG-TERM VOS STABILITY
  • BIAS CURRENT: 50pA (max)
  • OFFSET VOLTAGE: 25μV (max)
  • DYNAMIC RANGE: 4 to 5 Decades
  • DRIFT: 0.1μV/°C (max)
  • GAIN BANDWIDTH: 90MHz
  • QUIESCENT CURRENT: 7.5mA
  • SUPPLY RANGE: 2.7V to 5.5V
  • SINGLE AND DUAL VERSIONS
  • MicroSIZE PACKAGE: MSOP-8
  • APPLICATIONS
    • PHOTODIODE MONITORING
    • PRECISION I/V CONVERSION
    • OPTICAL AMPLIFIERS
    • CAT-SCANNER FRONT-END

All trademarks are the property of their respective owners.

OPA380的参数(英文):
  • Number of channels (#)
  • 1
  • GBW (Typ) (MHz)
  • 90
  • Total supply voltage (Max) (+5V=5, +/-5V=10)
  • 5.5
  • Total supply voltage (Min) (+5V=5, +/-5V=10)
  • 2.7
  • Vos (offset voltage @ 25 C) (Max) (mV)
  • 25
  • Rail-to-rail
  • In to V-
  • Features
  • Integrated TIA
  • BW @ Acl (MHz)
  • 90
  • Operating temperature range (C)
  • -40 to 125
  • Rating
  • Catalog
OPA380具体的完整产品型号参数及价格(美元):

OPA380的完整型号有:OPA380AID、OPA380AIDGKR、OPA380AIDGKT、OPA380AIDR,以下是这些产品的关键参数及官网采购报价:

OPA380AID,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:75个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网OPA380AID的批量USD价格:2.266(1000+)

OPA380AIDGKR,工作温度:-40 to 125,封装:VSSOP (DGK)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:Call TI,TI官网OPA380AIDGKR的批量USD价格:1.888(1000+)

OPA380AIDGKT,工作温度:-40 to 125,封装:VSSOP (DGK)-8,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAUAG,TI官网OPA380AIDGKT的批量USD价格:2.266(1000+)

OPA380AIDR,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网OPA380AIDR的批量USD价格:1.888(1000+)

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OPA380的评估套件:

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