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Low power, low noise, precision amplifier with e-trim™ and super beta input transistors

Inventory: 415  
Limit:  20

Quality information

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  • MSL rating/Peak reflow
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Packaging information

Package | Pins Package qty | Carrier: Operating temperature range (°C)
VSSOP (DGK) | 8 2,500 | LARGE T&R
-40 to 125
Package | Pins VSSOP (DGK) | 8
Package qty | Carrier: 2,500 | LARGE T&R
Operating temperature range (°C) -40 to 125
View TI packaging information

Features for the OPA2205

  • e-trim operational amplifier performance
    • Low offset voltage: 25 µV (max)
    • Lowoffset voltage drift: ±0.3 µV/°C (max)
  • Super beta inputs
    • Input bias current: 0.75 nA (max)
    • Input current noise: 200 fA/√Hz
  • Low noise
    • 0.1 to 10-Hz: 0.15µVPP
    • Voltage noise: 7.2nV/√Hz
  • AOL, CMRR, and PSRR: > 120 dB (full temperature range)
  • Gain bandwidth product: 3.6 MHz
  • Low quiescent current: 250 µA (max)
  • Slew rate: 4 V/µs
  • Overload power limiter
  • Rail-to-rail output
  • EMI/RFI filtered inputs
  • Wide supply: 4.5 V to 36 V
  • Temperature range: –40°C to +125°C

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Description for the OPA2205

The OPA2205 is the next generation, precision, bipolar, e-trim™ operational amplifier featuring super beta inputs, and is an upgradeto the industry-standard OPA2277. Through the combination of a bipolar amplifier core and a digitaltrim, the OPA2205 achieves very low offset (±25 µV, max), offset drift (±0.3 µV/°C, max) and noise(7.2 nV/√Hz, typ).

The high dc and ac performance of the amplifier, along with a 3.6-MHz bandwidth andlow-power consumption (250 µA, max), make the OPA2205 an excellent choice for systems that requirehigh precision and low power consumption, such as high-density data-acquisition systems (DAQ),source measurement units (SMU), and string inverters. The integrated EMI/RFI filter reduces systemerrors by eliminating unwanted RF-injected signals from neighboring circuits and other electronicsystems.

The OPA2205 amplifier is available in a standard-pinout, VSSOP package, and operatesacross the extended industrial ambient temperature range of –40°C to +125°C.


Qty Price (USD)
1-99 3.03
100-249 2.655
250-999 1.862
1,000+ 1.5