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HT8721ARTZ
Public Made by Adomby adom
HTCSEMI Operational Amplifier, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownHT8721ARTZ
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ht8721artz.step/ht8721artz.glbare 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).