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LTC8844XT14

Public Made by Adom

by adom

Linearin Precision OpAmps, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LTC8844XT14

Linearin · Precision OpAmps · TSSOP-14

LTC8844XT14 from Linearin, in a TSSOP-14. 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 OUTA output Amplifier A output.
2 -INA input Amplifier A inverting input, voltage range from (VS- - 0.1V) to (VS+ + 0.1V).
3 +INA input Amplifier A non-inverting input, same voltage range as -IN (VS- - 0.1V to VS+ + 0.1V).
4 +VS power_in Positive power supply, 2.0 V to 5.5 V over -40 to +125 C (1.8 V to 5.5 V at 0 to 70 C).
5 +INB input Amplifier B non-inverting input, voltage range from (VS- - 0.1V) to (VS+ + 0.1V).
6 -INB input Amplifier B inverting input, voltage range from (VS- - 0.1V) to (VS+ + 0.1V).
7 OUTB output Amplifier B output.
8 OUTC output Amplifier C output.
9 -INC input Amplifier C inverting input, voltage range from (VS- - 0.1V) to (VS+ + 0.1V).
10 +INC input Amplifier C non-inverting input, voltage range from (VS- - 0.1V) to (VS+ + 0.1V).
11 -VS power_in Negative power supply (ground in single-supply use).
12 +IND input Amplifier D non-inverting input, voltage range from (VS- - 0.1V) to (VS+ + 0.1V).
13 -IND input Amplifier D inverting input, voltage range from (VS- - 0.1V) to (VS+ + 0.1V).
14 OUTD output Amplifier D output.

Key specifications

Parameter Value
Manufacturer Linearin
Package TSSOP-14
Category Amplifiers
Pins 14

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 offset voltage VOS -500 120 500 μV 3
Offset voltage drift VOS TC 0.8 2.3 μV/℃ TA = −40 to +125 ℃ 3
Power supply rejection ratio PSRR 80 112 dB VS = 2.0 to 5.5 V, VCM < VS+ − 2V 3
Power supply rejection ratio PSRR 75 dB TA = −40 to +125 ℃ 3
Input bias current at TA=+85℃ IB 150 pA TA = +85 ℃ 3
Input bias current at TA=+125℃ IB 500 pA TA = +125 ℃ 3
Input offset current IOS 1 pA 3
Input voltage noise (peak-to-peak) Vn 5.6 μVP-P f = 0.1 to 10 Hz 3
Input voltage noise density en 22 nV/√Hz f = 10 kHz 3
Input voltage noise density en 25 nV/√Hz f = 1 kHz 3
Input current noise density In 3 fA/√Hz f = 1 kHz 3
Common-mode voltage range (offset from VS− and VS+ rails) VCM -0.1 0.1 V 3
Common-mode rejection ratio CMRR 80 96 dB VS = 5.5 V, VCM = −0.1 to 5.6 V 3
Common-mode rejection ratio CMRR 75 dB VCM = 0 to 5.3 V, TA = −40 to +125 ℃ 3
Common-mode rejection ratio CMRR 78 90 dB VS = 2.0 V, VCM = −0.1 to 2.1 V 3
Common-mode rejection ratio CMRR 72 dB VCM = 0 to 1.8 V, TA = −40 to +125 ℃ 3
Input capacitance differential CIN 2 pF Differential 3
Input capacitance common mode CIN 3.5 pF Common mode 3
Open-loop voltage gain AVOL 90 105 dB RL = 10 kΩ, VO = 0.05 to 3.5 V 3
Open-loop voltage gain AVOL 85 dB TA = −40 to +125 ℃ 3
Open-loop voltage gain AVOL 85 100 dB RL = 600 Ω, VO = 0.15 to 3.5 V 3
Open-loop voltage gain AVOL 80 dB TA = −40 to +125 ℃ 3
Gain bandwidth product GBW 1.5 MHz 3
Slew rate SR 1.2 V/μs G = +1, CL = 100 pF, VO = 1.5 to 3.5 V 3
Total harmonic distortion + noise THD+N 0.002 % G = +1, f = 1 kHz, VO = 1 VRMS 3
Settling time to 0.1% tS 1.2 μs To 0.1%, G = +1, 1V step 3
Settling time to 0.01% tS 1.5 μs To 0.01%, G = +1, 1V step 3
Overload recovery time tOR 2 μs To 0.1%, VIN * Gain > VS 3
High output voltage swing (headroom below VS+) VOH 11 19 mV RL = 10 kΩ 4
High output voltage swing (headroom below VS+) VOH 200 275 mV RL = 600 Ω 4
Low output voltage swing (headroom above VS−) VOL 8 14 mV RL = 10 kΩ 4
Low output voltage swing (headroom above VS−) VOL 135 185 mV RL = 600 Ω 4
Short-circuit current, source ISC 45 mA Source current through 10Ω 4
Short-circuit current, sink ISC 55 mA Sink current through 10Ω 4
Operating supply voltage VS 1.8 5.5 V TA = 0 to +70 ℃ 4
Operating supply voltage VS 2 5.5 V TA = −40 to +125 ℃ 4
Quiescent current (per amplifier) IQ 85 135 μA Per amplifier 4
Quiescent current (per amplifier) IQ 170 μA TA = −40 to +125 ℃ 4
Operating temperature range TA -40 125 ℃ 4
Package thermal resistance, junction to ambient θJA 112 ℃/W TSSOP-14L 4
Supply voltage, VS+ to VS− VS+ − VS− 10 V 2
Signal input terminal voltage (offset from VS− and VS+ rails) VIN -0.5 0.5 V 2
Signal input terminal current IIN -10 10 mA 2
Storage temperature range Tstg -65 150 ℃ 2
Junction temperature TJ 150 ℃ 2
Lead temperature range (soldering) 260 ℃ Soldering 10 sec 2
Electrostatic discharge, human body model HBM -5000 5000 V MIL-STD-883J / Method 3015.9 2
Electrostatic discharge, charged device model CDM -2000 2000 V ESDA/JEDEC JS-002-2014 2
Electrostatic discharge, machine model MM -250 250 V JESD22-A115C 2

CAD (KiCad official)

  • Symbol: LTC8844XT14
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: ltc8844xt14-etched.step / ltc8844xt14-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ltc8844xt14.step / ltc8844xt14.glb are the bare package body.

Provenance

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

  • Datasheet: Linearin datasheet (20 pp, sha256 cf701ee12d33ced3, retrieved 2026-10-28, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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