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HT8721ARTZ

Public Made by Adom

by adom

HTCSEMI Operational Amplifier, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HT8721ARTZ

HTCSEMI · Operational Amplifier · SOT-23-6

HT8721ARTZ from HTCSEMI, in a SOT-23-6. 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 OUT output Amplifier output, rail-to-rail with ±30 mA output current at VS = 3 V and ±50 mA at VS = 5 V.
2 V- power_in Negative supply (ground in single-supply operation); the supply range is 2.7 V to 5.5 V.
3 +IN input Non-inverting input, rail-to-rail with an input voltage range of 0 V to VS.
4 -IN input Inverting input, rail-to-rail with an input voltage range of 0 V to VS.
5 V+ power_in Positive supply, 2.7 V to 5.5 V single supply, absolute maximum 6 V.
6 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer HTCSEMI
Package SOT-23-6
Category Amplifiers/Comparators
Pins 6

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 HT8721/HT8722 (VCM 0 to 1.3 V block, VS=3 V table) VOS 80 500 µV 0 V ≤ VCM ≤ 1.3 V 2
Input offset voltage HT8721/HT8722 (VCM 0 to 1.3 V block, VS=3 V table) VOS 700 µV −40°C ≤ TA ≤ +85°C 2
Input offset voltage HT8721/HT8722 (VCM 0 to 1.3 V block, VS=3 V table) VOS 1100 µV −40°C ≤ TA ≤ +125°C 2
Input offset voltage HT8721/HT8722 (VCM 0 to 3 V block, VS=3 V table) VOS 350 750 µV 0 V ≤ VCM ≤ 3 V 2
Input offset voltage HT8721/HT8722 (VCM 0 to 3 V block, VS=3 V table) VOS 1800 µV −40°C ≤ TA ≤ +85°C 2
Input offset voltage HT8721/HT8722 (VCM 0 to 3 V block, VS=3 V table) VOS 2100 µV −40°C ≤ TA ≤ +125°C 2
Input bias current (VS=3 V table) IB 0.2 60 pA 2
Input bias current (VS=3 V table) IB 25 100 pA −40°C ≤ TA ≤ +85°C 2
Input bias current (VS=3 V table) IB 150 1000 pA −40°C ≤ TA ≤ +125°C 2
Input offset current (VS=3 V table) IOS 0.1 30 pA 2
Input offset current (VS=3 V table) IOS 50 pA −40°C ≤ TA ≤ +85°C 2
Input offset current (VS=3 V table) IOS 500 pA −40°C ≤ TA ≤ +125°C 2
Input voltage range (VS=3 V table) 0 3 V 2
Common-mode rejection ratio (VS=3 V table) CMRR 68 83 dB VCM = 0 V to 3 V 2
Large-signal voltage gain (VS=3 V table) AVO 30 100 V/mV VO = 0.5 V to 2.5 V, RL = 2 kΩ, VCM = 0 V 2
High-level output voltage (VS=3 V table) VOH 2.92 2.95 V IL = 1.0 mA 2
High-level output voltage (VS=3 V table) VOH 2.88 V −40°C ≤ TA ≤ +125°C 2
Low-level output voltage (VS=3 V table) VOL 20 35 mV IL = 1.0 mA 2
Low-level output voltage (VS=3 V table) VOL 50 mV −40°C ≤ TA ≤ +125°C 2
Output current (VS=3 V table) IOUT -30 30 mA 2
Power supply rejection ratio (VS=3 V table) PSRR 67 80 dB VS = 2.7 V to 5.5 V 2
Supply current per amplifier (VS=3 V table) ISY 500 600 µA VO = 0 V 2
Supply current per amplifier (VS=3 V table) ISY 800 µA −40°C ≤ TA ≤ +125°C 2
Settling time (VS=3 V table) tS 0.5 µs to 0.01% 2
Input offset voltage HT8721/HT8722 (VCM 0 to 5 V block, VS=5 V table) VOS 80 500 µV 0 V ≤ VCM ≤ 5 V 3
Input offset voltage HT8721/HT8722 (VCM 0 to 5 V block, VS=5 V table) VOS 1300 µV −40°C ≤ TA ≤ +125°C 3
Input bias current (VS=5 V table) IB 0.2 60 pA 3
Input bias current (VS=5 V table) IB 100 pA −40°C ≤ TA ≤ +85°C 3
Input bias current (VS=5 V table) IB 1000 pA −40°C ≤ TA ≤ +125°C 3
Input offset current (VS=5 V table) IOS 0.1 30 pA 3
Input offset current (VS=5 V table) IOS 6 50 pA −40°C ≤ TA ≤ +85°C 3
Input offset current (VS=5 V table) IOS 25 500 pA −40°C ≤ TA ≤ +125°C 3
Input voltage range (VS=5 V table) 0 5 V 3
Common-mode rejection ratio (VS=5 V table) CMRR 74 89 dB VCM = 0 V to 5 V 3
Large-signal voltage gain (VS=5 V table) AVO 30 80 V/mV VO = 0.5 V to 4.5 V, RL = 2 kΩ, VCM = 0 V 3
High-level output voltage (VS=5 V table) VOH 4.925 4.975 V IL = 1.0 mA 3
High-level output voltage (VS=5 V table) VOH 4.7 4.77 V IL = 10 mA 3
High-level output voltage (VS=5 V table) VOH 4.6 V −40°C ≤ TA ≤ +125°C 3
Low-level output voltage (VS=5 V table) VOL 15 30 mV IL = 1.0 mA 3
Low-level output voltage (VS=5 V table) VOL 125 175 mV IL = 10 mA 3
Low-level output voltage (VS=5 V table) VOL 250 mV −40°C ≤ TA ≤ +125°C 3
Output current (VS=5 V table) IOUT -50 50 mA 3
Power supply rejection ratio (VS=5 V table) PSRR 67 80 dB VS = 2.7 V to 5.5 V 3
Supply current per amplifier (VS=5 V table) ISY 750 1200 µA VO = 0 V 3
Supply current per amplifier (VS=5 V table) ISY 1500 µA −40°C ≤ TA ≤ +125°C 3
Settling time (VS=5 V table) tS 1 µs to 0.01% 3
Supply voltage 2.7 5.5 V single supply (from product features list) 1
Power supply voltage 6 V 4
Differential input voltage -6 6 V 4
Storage temperature range -65 150 °C 4
Operating temperature range -40 125 °C 4
Junction temperature range -65 150 °C 4
Lead temperature range (soldering) 300 °C soldering, 60 s 4
ESD rating 2 kV HBM 4

CAD (KiCad official)

  • Symbol: HT8721ARTZ
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: ht8721artz-etched.step / ht8721artz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ht8721artz.step / ht8721artz.glb are the bare package body.

Provenance

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

  • Datasheet: HTCSEMI datasheet (13 pp, sha256 ed57f8f55ed07026, retrieved 2026-10-18, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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