# OPA2381AIDGKR - Texas Instruments Transimpedance Amplifier

## Product Summary

The Texas Instruments OPA2381AIDGKR is a precision, low power transimpedance amplifier. It offers an 18MHz gain bandwidth and operates over a supply range of 2.7V to 5.5V.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | OPA2381AIDGKR |
| Manufacturer | Texas Instruments |
| Product Type | Transimpedance Amplifier |
| Category | Uncategorized |
| Subcategory | Transimpedance Amplifier |

## Description

The OPA2381AIDGKR from Texas Instruments is a high-precision, low-power transimpedance amplifier designed for demanding I/V conversion applications. It features an impressive 18MHz gain bandwidth (GBW) and a dynamic range of 5 decades, making it suitable for a wide array of optical and sensing applications.

Key electrical characteristics include a very low bias current of 3pA, a maximum offset voltage of 25µV, and an offset drift of 0.1µV/°C. The amplifier also boasts low voltage noise at 10nV/√Hz and a quiescent current of 800µA. It operates within a supply voltage range of 2.7V to 5.5V.

Packaged in an 8-pin VSSOP (DGK) with surface mount mounting, the OPA2381AIDGKR is designed for precision I/V conversion, photodiode monitoring, optical amplifiers, and CAT-scanner front-ends. Its excellent long-term stability and fast overload recovery contribute to its reliability in sensitive measurement systems.

## Key Specifications

| Specification | Value |
| --- | --- |
| Halogen Free | No |
| SVHC Present | Not Present |
| Tape & Reel | Tape & Reel |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 1 |
| Total Stock | 1 |
| Pricing Available | No |

## Distributor Offers

| Distributor | Stock | Unit Price | MOQ | Lead Time | Last Updated |
| --- | --- | --- | --- | --- | --- |
| PROSOFT ELECTRONICS | 1 |  |  |  |  |

## Features

- 18MHz gain bandwidth amplifier.
- 3pA maximum bias current.
- 25µV maximum offset voltage.
- Low voltage noise at 10nV/√Hz.
- Operates from 2.7V to 5.5V supply.

## Applications

- Ideal for precision I/V conversion.
- Suitable for photodiode monitoring.
- Used in optical amplifier circuits.
- Applicable to CAT-scanner front-ends.
- Designed for photo lab equipment.

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Lead Free | Yes |
| Moisture Sensitivity Level | 1 Unlimited |
| Halogen Free | No |
| SVHC Present | Not Present |

## Documents and Media

- Image: https://static.distyparts.com/disty-files/images/f0/c0/12/dgk0008a.png
- Product Page: https://distyparts.com/product/opa2381aidgkr
- RFQ URL: https://distyparts.com/product/opa2381aidgkr#rfq

## FAQs

### What is the gain bandwidth of the OPA2381AIDGKR?

The OPA2381AIDGKR has a gain bandwidth of 18MHz.

### What is the transimpedance bandwidth of the OPA2381AIDGKR?

The transimpedance bandwidth is over 250kHz.

### What is the bias current for the OPA2381AIDGKR?

The bias current is 3pA.

### What is the maximum offset voltage of the OPA2381AIDGKR?

The maximum offset voltage is 25µV.

### What is the offset drift of the OPA2381AIDGKR?

The offset drift is 0.1µV/°C maximum.

### What is the operating temperature range for the OPA2381AIDGKR?

The operating temperature range is -40°C to 125°C.

### What is the supply voltage range for the OPA2381AIDGKR?

The supply voltage range is 2.7V to 5.5V.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/texas-instruments
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/opa2381aidgkr
- Markdown File: https://distyparts.com/product/opa2381aidgkr.md
- TXT File: https://distyparts.com/product/opa2381aidgkr.txt