LT1028CS8#PBF Linear Technology Integrated Circuit (Small Outline Packages) In Stock
Linear Technology LT1028CS8#PBF is an ultra-low noise precision operational amplifier with 75MHz gain-bandwidth product, 110dB minimum CMRR, and 0.09µA bias current at 25°C in an 8-pin SOIC package. Available in lead-free RoHS configuration for precision analog signal chain applications.
- Manufacturer
- Linear Technology
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LT1028CS8#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $7.8840(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low noise voltage-feedback op-amp with 75MHz gain-bandwidth product for wideband precision circuits
- 110dB minimum common-mode rejection ratio (CMRR nominal 124dB) for excellent differential signal fidelity
- Very low bias current of 0.09µA at 25°C enabling high-impedance source applications
- 8-pin SOIC package with frequency compensation for stable closed-loop designs
Applications
The LT1028CS8#PBF is designed for precision instrumentation amplifiers, data acquisition front-ends, and medical sensor signal conditioning where ultra-low noise and high CMRR are critical. Its 75MHz bandwidth and 110dB CMRR make it suitable for audio precision preamplifiers, strain gauge amplifiers, and differential signal receivers in industrial test equipment. The part is also used in active filter designs and high-speed ADC driver circuits demanding minimal noise contribution from the amplifier stage.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1610 (S8) |
| YTEOL | 9 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.24 µA |
| Bias Current-Max (IIB) @25C | 0.09 µA |
| Common-mode Reject Ratio-Min | 110dB |
| Common-mode Reject Ratio-Nom | 124dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 125 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -22 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 11V/us |
| Slew Rate-Nom | 15V/us |
| Supply Current-Max | 9.5mA |
| Supply Voltage Limit-Max | 22V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 75000 |
| Voltage Gain-Min | 3500000 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LT1028CS8#PBF:
suggested
suggested
Frequently Asked Questions
What gain-bandwidth product does LT1028CS8#PBF provide, and how does it affect closed-loop bandwidth at gain of 100?
The LT1028CS8#PBF has a 75MHz gain-bandwidth product. At a closed-loop gain of 100 (40dB), the usable bandwidth is approximately 750kHz (75MHz / 100). This makes it suitable for precision audio, sensor amplification, and instrumentation applications requiring moderate bandwidth with high gain.
How does the 110dB minimum CMRR of LT1028CS8#PBF benefit differential measurement circuits?
With a 110dB minimum CMRR (nominal 124dB), LT1028CS8#PBF rejects common-mode interference by a factor exceeding 316,000:1. In a strain gauge bridge circuit with 5V common-mode noise, the amplifier contributes less than 16µV of error, enabling accurate microvolt-level differential measurements in industrial and medical applications.
Can LT1028CS8#PBF operate as a single-supply amplifier in a 3.3V embedded system?
The LT1028CS8#PBF is a bipolar-input precision op-amp typically requiring a dual supply of ±2.5V to ±15V for optimal operation, making it less suitable for single 3.3V supply embedded systems. For single-supply 3.3V applications, alternatives such as the LT6002 or AD8605 with rail-to-rail outputs are better choices.
How does the 0.09µA bias current of LT1028CS8#PBF affect circuit design with high-impedance sources?
The 0.09µA bias current at 25°C generates only 0.09mV of offset voltage across a 1kΩ source impedance, and 0.9mV across 10kΩ. This low bias current allows accurate interfacing with high-impedance sensors such as pH electrodes, photodiodes, and piezoelectric transducers without significant signal attenuation or offset error.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $13.5000 | $13.50 |
| 3+ | $13.4000 | $40.20 |
| 10+ | $11.8000 | $118.00 |
| 19+ | $9.7900 | $186.01 |
| 20+ | $8.1000 | $162.00 |
| 35+ | $7.8840 | $275.94 |
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