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LT6108IMS8-1#PBF

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Analog Devices Comparators, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LT6108IMS8-1#PBF

Analog Devices · Comparators · MSOP-8

LT6108IMS8-1#PBF from Analog Devices, in a MSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 SENSELO input Sense amplifier input; this pin must be tied to the load end of the sense resistor.
2 EN/RST input Enable and latch reset input (LT6108-1): pulled high enables the device, pulled low for longer than typically 40µs enters shutdown, and a low pulse of 2µs to 15µs resets the comparator.
3 OUTC output Open-drain comparator output; the off-state voltage may be as high as 60V above V-, regardless of the V+ used.
4 V- power_in Negative supply pin, normally connected to ground.
5 INC input Inverting input of the comparator; the other comparator input is internally connected to the 400mV reference.
6 OUTA output Current output of the sense amplifier; it sources a current equal to the sense voltage divided by the external gain setting resistor RIN.
7 V+ power_in Positive supply pin; it can be connected to either side of the sense resistor, and supply current is drawn through this pin.
8 SENSEHI input Sense amplifier input driven to the same potential as SENSELO; a resistor (typically RIN) from supply to SENSEHI sets IOUT = VSENSE/RIN.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package MSOP-8
Category Operational Amplifier/Comparator
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Input Current -10 mA Note 2 2
SENSEHI, SENSELO Input Current -10 10 mA 2
Differential SENSEHI or SENSELO Input Current -2.5 2.5 mA Note 1 2
Operating Temperature Range LT6108I -40 85 °C 2
Specified Temperature Range LT6108I -40 85 °C Note 3 2
Maximum Junction Temperature 150 °C 2
Storage Temperature Range -65 150 °C 2
Thermal Resistance Junction-to-Ambient, MS8 θJA 163 °C/W MS8 package 2
Thermal Resistance Junction-to-Case, MS8 θJC 45 °C/W MS8 package 2
V+ Supply Voltage Range V+ 2.7 60 V Full operating temperature range (l) 4
Input Offset Voltage VOS -350 350 µV VSENSE = 5mV, LT6108, full temperature range (l) 4
Input Offset Voltage VOS -450 450 µV VSENSE = 5mV, LT6108, full temperature range (l) 4
EN/RST Pin Input High VIH 1.9 V V+ = 2.7V to 60V (LT6108-1 Only), full temperature range (l) 4
EN/RST Pin Input Low VIL 0.8 V V+ = 2.7V to 60V (LT6108-1 Only), full temperature range (l) 4
Input Offset Voltage Drift ∆VOS/∆T -0.8 0.8 µV/°C VSENSE = 5mV, full temperature range (l) 4
Input Bias Current (SENSELO, SENSEHI) IB 60 350 nA V+ = 2.7V to 60V, full temperature range (l) 4
Input Offset Current IOS -5 5 nA V+ = 2.7V to 60V 4
Power Supply Rejection Ratio PSRR 114 dB V+ = 2.7V to 60V, full temperature range (l) 4
Power Supply Rejection Ratio PSRR 120 127 dB V+ = 2.7V to 60V 4
Common Mode Rejection Ratio CMRR 110 dB V+ = 60V, VSENSE = 5mV, VICM = 27V to 60V, full temperature range (l) 4
Full-Scale Input Sense Voltage VSENSE(MAX) 500 mV RIN = 500Ω, full temperature range (l) 4
Gain Error -0.2 0 % V+ = 2.7V to 12V 4
Gain Error -0.3 0 % V+ = 12V to 60V, VSENSE = 5mV to 100mV, MS8 Package 4
Gain Error -0.08 0 % V+ = 12V to 60V, VSENSE = 5mV to 100mV, DFN Package 4
SENSELO Voltage 2.5 V V+ = 2.7V, VSENSE = 100mV, ROUT = 2k, full temperature range (l) 4
SENSELO Voltage 27 V V+ = 60V, VSENSE = 100mV, full temperature range (l) 4
Output Swing High (V+ to VOUTA) 0.2 V V+ = 2.7V, VSENSE = 27mV, full temperature range (l) 4
Output Swing High (V+ to VOUTA) 0.5 V V+ = 12V, VSENSE = 120mV, full temperature range (l) 4
Input Step Response (to 50% of Final Output Voltage) tr 500 ns V+ = 2.7V, VSENSE = 24mV Step, Output Rising Edge 4
Settling Time to 1% tSETTLE 2 µs VSENSE = 10mV to 100mV, ROUT = 2k 4
Output Current IOUTA 1 mA Note 5, full temperature range (l) 4
EN/RST Pin Current -200 nA VEN/RST = 0V, V+ = 60V (LT6108-1 Only) 4
Rising Input Threshold Voltage VTH(R) 392 400 408 mV V+ = 2.7V to 60V, LT6108, full temperature range (l) 5
Hysteresis VHYS 3 10 15 mV VHYS = VTH(R), VTH(F), V+ = 2.7V to 60V 5
Comparator Input Bias Current -50 nA VINC = 0V, V+ = 60V, full temperature range (l) 5
Output Low Voltage VOL 60 150 mV IOUTC = 500µA, V+ = 2.7V 5
Output Low Voltage VOL 220 mV IOUTC = 500µA, V+ = 2.7V, full temperature range (l) 5
Reset Pulse Width (Valid RST) tRPW 2 15 µs LT6108-1 Only, full temperature range (l) 5
High to Low Propagation Delay 3 µs 5mV Overdrive 5
High to Low Propagation Delay 0.5 µs 100mV Overdrive 5
Output Fall Time 0.08 µs 5
Reset Time tRESET 0.5 µs LT6108-1 Only 5
Signal Bandwidth BW 1 MHz IOUT = 1mA 4
Signal Bandwidth BW 140 kHz IOUT = 100µA 4
Supply Current IS 450 µA V+ = 2.7V, RIN = 1k, VSENSE = 5mV 4

CAD (KiCad official)

  • Symbol: LT6108IMS8-1#PBF
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: lt6108ims8-1-pbf-etched.step / lt6108ims8-1-pbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lt6108ims8-1-pbf.step / lt6108ims8-1-pbf.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Analog Devices datasheet (30 pp, sha256 321e2660784874f7, retrieved 2026-10-28, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF