LT1999IMS8-20F#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LT1999IMS8-20F#TRPBF is a high-voltage bidirectional current sense amplifier with 105 dB CMRR, 1500 µV max offset, and current-feedback architecture in an 8-pin MSOP package, engineered for Pin FMEA robustness. Available worldwide with fast shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LT1999IMS8-20F#TRPBF 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 LT1999IMS8-20F#TRPBF?
- 105 dB common-mode rejection ratio (CMRR) enabling accurate current measurement on high-voltage rails with large common-mode swings
- Bidirectional current sensing with current-feedback architecture supporting both positive and negative load current measurement in power management systems
- Pin FMEA engineering providing fault-tolerant design robustness against pin-level single-event failures in safety-critical automotive and industrial applications
What is LT1999IMS8-20F#TRPBF used for?
The LT1999IMS8-20F#TRPBF is designed for high-side and low-side bidirectional current sensing in motor drives, battery management systems, and power supply monitoring where accurate measurement over large common-mode voltages is required. Its 105 dB CMRR enables precise current measurement even when the sense resistor floats on high-voltage rails. The device suits automotive powertrain monitors, industrial servo drives, and telecom power systems requiring fault-tolerant, pin-FMEA-compliant current sensing.
What are the specifications of LT1999IMS8-20F#TRPBF?
| 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 |
| Packing Method | TR |
| 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 | 19.9 |
| 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 |
Where can I find the LT1999IMS8-20F#TRPBF datasheet?
LT1999IMS8-20F#TRPBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT1999IMS8-20F#TRPBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What CMRR does the LT1999IMS8-20F#TRPBF achieve and why does this matter for high-voltage current sensing?
The LT1999IMS8-20F#TRPBF achieves a common-mode rejection ratio of 105 dB, which means that even with hundreds of volts of common-mode voltage on the sense inputs, the amplifier introduces less than 1.8 µV of output error per volt of common-mode swing, ensuring accurate bidirectional current measurement in high-voltage motor drive and battery management applications.
How does the bidirectional architecture of the LT1999IMS8-20F#TRPBF simplify battery management system designs?
Because the LT1999IMS8-20F#TRPBF senses both positive and negative current flow through the same 8-pin MSOP device, battery management systems can monitor both charge and discharge currents without switching between two unidirectional sense amplifiers, reducing BOM count and PCB area while maintaining measurement accuracy within 1500 µV input offset voltage.
What does Pin FMEA engineering mean for the LT1999IMS8-20F#TRPBF in safety-critical applications?
Pin FMEA (Failure Mode and Effects Analysis) engineering on the LT1999IMS8-20F#TRPBF means Analog Devices has evaluated and mitigated the effects of every single-pin failure scenario, ensuring the device does not cause hazardous outputs or system damage when one pin is shorted to supply or ground. This is a mandatory attribute for ASIL-rated automotive powertrain and industrial safety systems requiring IEC 61508 or ISO 26262 compliance.
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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+ | $4.0800 | $4.08 |
| 19+ | $3.9600 | $75.24 |
| 1000+ | $2.9900 | $2990.00 |
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