LT1999IMS8-50F#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LT1999IMS8-50F is a high-voltage bidirectional current sense amplifier engineered for pin-level FMEA robustness. It features a 105dB CMRR and operates with input offset voltage up to 1500µV. Packaged in 8-pin SOIC, it suits power monitoring in harsh industrial environments.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LT1999IMS8-50F#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.9900(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 LT1999IMS8-50F#PBF?
- High-voltage bidirectional current sensing with 105dB common-mode rejection ratio for accurate measurement across wide supply rails
- Engineered for pin-level FMEA fault tolerance, improving system reliability in safety-critical power monitoring designs
- Current-feedback amplifier architecture with precision input offset voltage of 1500µV maximum for low measurement error
- 8-pin SOIC package enables easy integration into existing power management PCB layouts
What is LT1999IMS8-50F#PBF used for?
The LT1999IMS8-50F is designed for high-side and low-side current sensing in industrial motor drives, power supplies, and battery management systems operating at elevated voltages. Its FMEA-hardened design makes it particularly valuable in safety-critical systems such as medical equipment power monitors and automotive power distribution units. It also suits telecom infrastructure and server power supply units requiring bidirectional current measurement with high CMRR.
What are the specifications of LT1999IMS8-50F#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1660 |
| YTEOL | 10 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | CURRENT-FEEDBACK |
| Average Bias Current-Max (IIB) | 2350 µA |
| Common-mode Reject Ratio-Nom | 105dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 1500 µV |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Slew Rate-Nom | 3V/us |
| Supply Current-Max | 1.9mA |
| Supply Voltage Limit-Max | 6V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Voltage Gain-Min | 49.75 |
| 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 LT1999IMS8-50F#PBF datasheet?
LT1999IMS8-50F#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT1999IMS8-50F#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the common-mode rejection ratio of LT1999IMS8-50F and why does it matter for high-voltage sensing?
The LT1999IMS8-50F has a common-mode rejection ratio of 105dB, which allows it to accurately measure small differential currents even when large common-mode voltages are present on the sense line. This is essential in high-voltage motor drives and power converters where the sense resistor sits on a rail of 50V or higher.
What does pin FMEA engineering mean for the LT1999IMS8-50F in safety-critical applications?
Pin FMEA engineering means the LT1999IMS8-50F has been designed and tested to remain safe or fail in a predictable manner when any individual pin experiences an open, short, or overvoltage condition. This is critical in medical devices, automotive 48V systems, and industrial controllers where a single component failure must not cause a dangerous system state.
What package does LT1999IMS8-50F come in and how does it compare with MSOP options?
The LT1999IMS8-50F is housed in an 8-pin SOIC (Small Outline IC) package, which offers a footprint of approximately 5mm x 4mm. Compared to 8-pin MSOP packages, SOIC is larger but provides easier manual soldering, better thermal dissipation, and improved reliability in vibration-prone industrial environments.
What is the maximum input offset voltage specification and how does it affect measurement accuracy?
The maximum input offset voltage of the LT1999IMS8-50F is 1500µV referred to the input. For a 50mΩ sense resistor measuring 1A of current, this offset introduces up to 3% error, so it is important to factor this into system design when sensing low currents at high common-mode voltage levels.
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Why Buy from FindMyChip
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+ | $4.0800 | $4.08 |
| 19+ | $3.9600 | $75.24 |
| 1000+ | $2.9900 | $2990.00 |
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