LT1990AIS8#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
The LT1990AIS8#PBF by Analog Devices is a single precision difference amplifier with rail-to-rail output and ±18 V (36 V total) supply voltage range, AEC-Q100 automotive qualified. It achieves 75 dB typical common-mode rejection ratio in an 8-pin SOIC package, ideal for current sensing and differential signal measurement in automotive and industrial systems.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LT1990AIS8#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.5700(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LT1990AIS8#PBF?
- Rail-to-rail output swing on a ±18 V supply enabling full dynamic range difference amplification in automotive and industrial high-voltage signal chains
- 75 dB typical common-mode rejection ratio (CMRR) with frequency compensation ensuring accurate differential measurement in noisy environments
- AEC-Q100 automotive-grade qualification in 8-pin SOIC package providing reliable performance across the full automotive temperature range
What is LT1990AIS8#PBF used for?
The LT1990AIS8#PBF excels in automotive current sensing, battery monitoring, and motor control applications where the signal of interest rides on a high common-mode voltage up to ±18 V. Its 75 dB CMRR ensures accurate differential measurement even in electrically noisy environments such as engine compartments and EV power trains. Industrial applications include process control signal conditioning and bridge sensor amplification requiring rail-to-rail output fidelity.
What are the specifications of LT1990AIS8#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1610 (S8) |
| YTEOL | 10 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Common-mode Reject Ratio-Min | 70dB |
| Common-mode Reject Ratio-Nom | 75dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 6700 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Low-Offset | NO |
| Micropower | YES |
| Neg Supply Voltage Limit-Max | -18 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 | YES |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 0.3V/us |
| Slew Rate-Nom | 0.55V/us |
| Supply Current-Max | 0.18mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| 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 | 105 |
| 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 |
Where can I find the LT1990AIS8#PBF datasheet?
LT1990AIS8#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT1990AIS8#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the supply voltage range and CMRR specification of the LT1990AIS8#PBF difference amplifier?
The LT1990AIS8#PBF operates from a supply of ±18 V (36 V total single-supply equivalent) and achieves a common-mode rejection ratio of 75 dB typical and 70 dB minimum. This high CMRR ensures that differential signals as small as a few millivolts are accurately amplified even when riding on a large common-mode voltage near the supply rails.
For automotive current sensing on a 24 V bus, how does the LT1990AIS8 handle high common-mode voltages?
The LT1990AIS8#PBF is designed to reject common-mode voltages up to ±18 V while amplifying small differential signals, making it directly usable on 12 V or 24 V automotive battery buses without an external attenuator. With a rail-to-rail output and AEC-Q100 Grade qualification, it maintains accurate current measurement from -40°C to 125°C across automotive operating conditions.
When is the LT1990AIS8#PBF a more compact solution than a discrete instrumentation amplifier for differential sensing?
The LT1990AIS8#PBF integrates precision resistor matching and frequency compensation in a single 8-pin SOIC package, eliminating the 3-op-amp topology and 8+ discrete components required for a full instrumentation amplifier design. This reduces PCB area by over 60%, simplifies calibration, and ensures that the 75 dB CMRR is maintained without resistor trimming, making it preferable for cost-sensitive automotive and industrial sensor modules.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $11.8125 | $11.81 |
| 8+ | $10.5000 | $84.00 |
| 19+ | $4.7300 | $89.87 |
| 25+ | $4.4200 | $110.50 |
| 100+ | $3.8750 | $387.50 |
| 1000+ | $3.5700 | $3570.00 |
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