# OPA128SM - Texas Instruments Operational Amplifier

## Product Summary

The Texas Instruments OPA128SM is a Difet operational amplifier with a 1MHz bandwidth and 0.075pA input bias current. It is housed in a TO-99 package.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | OPA128SM |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Series | Difet® |
| Category | Uncategorized |
| Subcategory | Operational Amplifiers |
| Package | TO-99 |
| Mounting Type | Through Hole |

## Description

The Texas Instruments OPA128SM is a high-performance operational amplifier from the Difet® series. It features a gain bandwidth product of 1MHz and a very low input bias current of 0.075pA, making it suitable for precision applications.

This general-purpose amplifier offers a voltage gain of 128dB and a slew rate of 3V/µs. It operates within a supply voltage range of 5V to 18V and has an operating temperature range from -55°C to 125°C. The OPA128SM is designed for through-hole mounting and comes in a TO-99 package.

Key electrical characteristics include a 500µV input offset voltage, 90dB common mode rejection ratio, and 90dB power supply rejection ratio. The device also supports radiation hardening and is RoHS compliant.

## Key Specifications

| Specification | Value |
| --- | --- |
| Amplifier Type | GENERAL PURPOSE |
| Bandwidth | 1 MHz |
| Failure Rate | Difet® |
| Mounting Type | Through Hole |
| Number of Channels | 1 |
| Number of Circuits | 1 |
| Number of Elements | 1 |
| Output Current | 10 mA |
| Power Dissipation | 500 mW |
| SVHC Present | Not Present |
| Slew Rate | 3 V/µs |
| Supply Current | 1.5 mA |
| Technology | BIFET |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 1 |
| Total Stock | 2,000 |
| Pricing Available | No |

## Distributor Offers

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

## Features

- 1MHz gain bandwidth product.
- 0.075pA low input bias current.
- 128dB high voltage gain.
- TO-99 through-hole package.
- Radiation hardening supported.

## Applications

- Suitable for precision measurement.
- Ideal for low-bias current circuits.
- Used in sensitive signal amplification.
- Designed for wide temperature ranges.

## Compliance

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

## Documents and Media

- Product Page: https://distyparts.com/product/opa128sm
- RFQ URL: https://distyparts.com/product/opa128sm#rfq

## FAQs

### What is the gain bandwidth product of the OPA128SM?

The gain bandwidth product of the OPA128SM is 1MHz.

### What is the input bias current for the OPA128SM?

The input bias current for the OPA128SM is 0.075pA.

### What is the voltage gain of the OPA128SM?

The voltage gain of the OPA128SM is 128dB.

### What is the operating temperature range for the OPA128SM?

The OPA128SM operates from -55°C to 125°C.

### What package type is the OPA128SM available in?

The OPA128SM is available in a TO-99 package.

### Is the OPA128SM RoHS compliant?

The OPA128SM is RoHS3 Compliant.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/texas-instruments
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/opa128sm
- Markdown File: https://distyparts.com/product/opa128sm.md
- TXT File: https://distyparts.com/product/opa128sm.txt