OPA2381AIDGKT - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

OPA2381AIDGKT
Manufacturer

TI
ChipWorker Part#

CW18928328
Category

Operational Amplifier, OP Amp IC
Package

VSSOP-8
Description

Op Amp Dual GP R-R O/P 5.5V 8Pin VSSOP T/R
Documentation

Datasheet

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OPA2381AIDGKT Specifications

Attribute	Attribute Value

Part Number	OPA2381AIDGKT
Manufacturer	TI
ChipWorker Part#	CW18928328
Category	Operational Amplifier, OP Amp IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	VSSOP-8
Supply Voltage (DC)	5.50 V
Output Current	10mA @5.5V
Supply Current	800 µA
Number of Circuits	2 Circuit
Number of Channels	2 Channel
Number of Positions	8 Position
Common Mode Rejection Ratio	95 dB
Input Offset Drift	30.0 nV/K
Slew Rate	12.0 V/μs
Gain Bandwidth Product	18 MHz
Input Offset Voltage	7 µV
Input Bias Current	3 pA
Input Current (Min)	1 mA
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Gain Bandwidth	18 MHz
Minimum CMRR Range	95 dB
Supply Voltage	5.5 V
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Size-Length	3 mm
Size-Width	3 mm
Size-Height	0.97 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The OPA381 family of transimpedance amplifiers provides 18MHz of Gain Bandwidth (GBW), with extremely high precision, excellent long-term stability, and very low 1/f noise. The OPA381 features an offset voltage of 25µV (max), offset drift of 0.1µV/°C (max), and bias current of 3pA. The OPA381 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 18MHz GBW of the OPA381 enables a trans-impedance bandwidth of &gt: 250kHz in most configurations. The OPA381 is ideally suited for fast control loops for power level measurement on an optical fiber.
As a result of the high precision and low-noise characteristics of the OPA381, a dynamic range of 5 decades can be achieved. This capability allows the measurement of signal currents in the order of 10nA, and up to 1mA in a single I/V conversion stage. In contrast to logarithmic amplifiers, the OPA381 provides very wide bandwidth throughout the full dynamic range. By using an external pulldown resistor to 5V, the output voltage range can be extended to include 0V.
The OPA381 and OPA2381 are both available in MSOP-8 and DFN-8 (3mm x 3mm) packages. They are specified from 40°C to +125°C.

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