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LTC728XT14

Public Made by Adom

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

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LTC728XT14

Linearin · Precision OpAmps · TSSOP-14

LTC728XT14 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 is (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.
5 +INB input Amplifier B non-inverting input; same voltage range as -IN, (VS- - 0.1V) to (VS+ + 0.1V).
6 -INB input Amplifier B inverting input; voltage range is (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 is (VS- - 0.1V) to (VS+ + 0.1V).
10 +INC input Amplifier C non-inverting input; same voltage range as -IN, (VS- - 0.1V) to (VS+ + 0.1V).
11 -VS power_in Negative power supply.
12 +IND input Amplifier D non-inverting input; same voltage range as -IN, (VS- - 0.1V) to (VS+ + 0.1V).
13 -IND input Amplifier D inverting input; voltage range is (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 (LTC728) VOS -0.5 0.12 0.5 mV LTC728 3
Offset voltage drift VOS TC 1 2.3 μV/℃ TA = −40 to +125 ℃ 3
Power supply rejection ratio PSRR 95 110 dB VS = 2.0 to 5.5 V, VCM < VS+ − 2V 3
Power supply rejection ratio over temperature PSRR 82 dB TA = −40 to +125 ℃ 3
CMRR 5.5V CMRR 80 96 dB VS = 5.5 V, VCM = −0.1 to 5.6 V 3
CMRR 5.5V over temperature CMRR 75 dB VCM = 0 to 5.3 V, TA = −40 to +125 ℃ 3
CMRR 2.0V CMRR 76 90 dB VS = 2.0 V, VCM = −0.1 to 2.1 V 3
CMRR 2.0V over temperature CMRR 70 dB VCM = 0 to 1.8 V, TA = −40 to +125 ℃ 3
Open-loop gain 10k AVOL 97 105 dB RL = 10 kΩ, VO = 0.05 to 3.5 V 3
Open-loop gain 10k over temperature AVOL 87 dB TA = −40 to +125 ℃ 3
Open-loop gain 600R AVOL 85 90 dB RL = 600 Ω, VO = 0.15 to 3.5 V 3
Open-loop gain 600R over temperature AVOL 75 dB TA = −40 to +125 ℃ 3
Input bias current IB 150 pA TA = +85 ℃ 3
Input bias current IB 500 pA TA = +125 ℃ 3
High output voltage swing 10k VOH -8 -12 mV RL = 10 kΩ (VS+ − value) 4
High output voltage swing 600R VOH -125 -180 mV RL = 600 Ω (VS+ − value) 4
Low output voltage swing 10k VOL 6 9 mV RL = 10 kΩ (VS− + value) 4
Low output voltage swing 600R VOL 90 130 mV RL = 600 Ω (VS− + value) 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 625 760 μA VS = 2.0 V 4
Quiescent current per amplifier IQ 750 930 μA VS = 5.0 V 4
Operating temperature range TA -40 125 ℃ 4
Thermal resistance TSSOP-14L θJA 112 ℃/W TSSOP-14L 4
Supply voltage VS+ to VS- 10 V 2
Signal input current -10 10 mA Signal input terminals 2
Storage temperature Tstg -65 150 ℃ 2
Junction temperature TJ 150 ℃ 2
Lead temperature 260 ℃ Soldering 10 sec 2
ESD HBM -5000 5000 V per MIL-STD-883J / Method 3015.9 2
ESD CDM -2000 2000 V per ESDA/JEDEC JS-002-2014 2
ESD MM -250 250 V per JESD22-A115C 2
Gain bandwidth product GBW 11 MHz 3
Slew rate SR 11 V/μs G = +1, CL = 100 pF, VO = 1.5 to 3.5 V 3
Short-circuit current ISC 75 mA ± 4

CAD (KiCad official)

  • Symbol: LTC728XT14
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: ltc728xt14-etched.step / ltc728xt14-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ltc728xt14.step / ltc728xt14.glb are the bare package body.

Provenance

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

  • Datasheet: Linearin datasheet (23 pp, sha256 2bbf871ddde45504, retrieved 2026-10-23, 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