Texas Instruments has developed the OPA2205 operational amplifier, designed to replace the industry-standard OPA2277 chip. The OPA2205 is the next generation, precision, bipolar, e-trim™ operational amplifier featuring super beta inputs. Through the combination of a bipolar amplifier core and a digital trim, 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 and low-power consumption (250 μA, max), make the OPA2205 an excellent choice for systems that require high 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 system errors by eliminating unwanted RF-injected signals from neighboring circuits and other electronic systems. The OPA2205 amplifier is available in a standard-pinout, VSSOP package (3.00 mm × 3.00 mm), and operates across the extended industrial ambient temperature range of –40 °C to +125 °C.
|The OPA2205 Functional Block Diagram.|
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