# OPA859IDSGR - Texas Instruments FET Input Amplifier

## Product Summary

The Texas Instruments OPA859IDSGR is a high-speed FET input amplifier featuring a 1.8 GHz unity-gain bandwidth and low noise density. It is designed for demanding applications requiring fast signal processing.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | OPA859IDSGR |
| Manufacturer | Texas Instruments |
| Product Type | FET Input Amplifier |
| Series | OPA859 |
| Category | Uncategorized |
| Subcategory | High-Speed Amplifier |
| Package | WSON (DSG) |
| Mounting Type | Surface Mount |

## Description

The Texas Instruments OPA859IDSGR is a high-speed operational amplifier with a FET input architecture, designed for applications requiring exceptional performance. It boasts a 1.8 GHz unity-gain bandwidth and a gain bandwidth product of 900 MHz, enabling rapid signal amplification.

This amplifier exhibits a low input voltage noise density of 3.3 nV/√Hz at flatband and a high slew rate of 1150 V/µs, making it suitable for high-frequency signal conditioning. The ultra-low input bias current of 5 pA is achieved through its MOSFET input stage.

Operating over a supply voltage range of 3.3 V to 5.25 V, the OPA859IDSGR is housed in an 8-pin WSON package with dimensions of 2 mm x 2 mm. Its operating temperature range is -40°C to +125°C, ensuring reliability in various environmental conditions. The device also features a wide input common-mode range and a 2.5 VPP output swing in a TIA configuration.

## Key Specifications

| Specification | Value |
| --- | --- |
| Architecture | FET / CMOS Input, Voltage FB |
| Mounting Type | Surface Mount |
| Number of Channels | 1 |
| Operating Temperature Range | -40 °C to +125 °C |
| Output Current | 76 mA |
| SVHC Present | Not Present |
| Slew Rate | 1150 V/µs |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 2 |
| Total Stock | 5,000 |
| Pricing Available | No |

## Distributor Offers

| Distributor | Stock | Unit Price | MOQ | Lead Time | Last Updated |
| --- | --- | --- | --- | --- | --- |
| Smaxon Electronics | 3,000 |  |  |  |  |
| Xingangxin | 2,000 |  |  |  |  |

## Features

- High unity-gain bandwidth of 1.8 GHz.
- Low input voltage noise density of 3.3 nV/√Hz.
- Fast slew rate of 1150 V/µs.
- Ultra-low input bias current of 5 pA.
- Compact 8-pin WSON package.

## Applications

- Suitable for high-speed signal processing.
- Ideal for transimpedance amplifier circuits.
- Used in sensitive sensor signal chains.
- Effective in RF signal conditioning applications.

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level | 1 Unlimited |
| SVHC Present | Not Present |

## Documents and Media

- Image: https://static.distyparts.com/disty-files/images/99/53/08/dsg0008a.png
- Product Page: https://distyparts.com/product/opa859idsgr
- RFQ URL: https://distyparts.com/product/opa859idsgr#rfq

## FAQs

### What is the unity-gain bandwidth of the OPA859IDSGR?

The unity-gain bandwidth of the OPA859IDSGR is 1.8 GHz.

### What is the typical input voltage noise density at flatband for the OPA859IDSGR?

The typical input voltage noise density at flatband for the OPA859IDSGR is 3.3 nV/√Hz.

### What is the slew rate of the OPA859IDSGR?

The slew rate of the OPA859IDSGR is typically 1150 V/µs.

### What is the operating temperature range for the OPA859IDSGR?

The operating temperature range for the OPA859IDSGR is -40°C to +125°C.

### What package type is the OPA859IDSGR supplied in?

The OPA859IDSGR is supplied in an 8-pin WSON (DSG) package.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/texas-instruments
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/opa859idsgr
- Markdown File: https://distyparts.com/product/opa859idsgr.md
- TXT File: https://distyparts.com/product/opa859idsgr.txt