TS1108-200ITQ1633

Instrumentation, Op Amps, Buffer Amps Overview

The TS1108-200ITQ1633 is a high-side current sense amplifier manufactured by Silicon Labs. It integrates a current limiter comparator and FET control for electronic circuit breaker applications. The device features a fixed gain of 20 V/V, a common-mode voltage range of 2 V to 27 V, and a CMRR of 130 dB. Input bias current is 300 pA with an input offset voltage of 150 uV. Operating supply voltage ranges from 1.7 V to 5.25 V, with a quiescent current of 1.85 uA. Gain error is 1% and settling time is 1.35 ms. It operates between -40°C and +85°C in a 16-pin TQFN package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Integrates a current limiter comparator and FET control for electronic circuit breaker functionality
• Provides buffered output with a fixed gain of 20 V/V
• Features high common-mode rejection ratio of 130 dB
• Operates with low quiescent current of 1.85 uA

Instrumentation, Op Amps, Buffer Amps Applications

• High-side current sensing
• Electronic circuit breakers
• Current limiting protection

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify component authenticity through authorized channels as the part may be discontinued or subject to obsolescence notices. Confirm package marking and datasheet revision against official Silicon Labs documentation. Ensure environmental compliance matches project requirements. Check for available substitute models if production continuity is critical. Validate electrical parameters against specific application needs before integration.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for high-side current monitoring where integrated fault protection is required. The fixed 20 V/V gain suits applications needing direct ADC interfacing without additional amplification. Low quiescent current supports battery-powered systems. Verify common-mode voltage compatibility with the system rail. Consider the 16-pin TQFN package for space-constrained designs requiring surface mount installation.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the TS11xx series of current sense amplifiers from Silicon Labs. Similar variants include the TS1107 and TS1110, which share functional blocks but differ in gain or pinout configurations. The series targets industrial and consumer electronics requiring precise current measurement and protection. Development kits like the TS1108-20DB are available for evaluation purposes.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Public confirmed substitute part numbers: None identified.