OPA2330AIDGKTG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments OPA2330AIDGKTG4 is a dual-channel, zero-drift CMOS precision op amp with 35 µA quiescent current per channel, 50 µV max offset voltage, and 1.8 V single-supply operation in a MSOP-8 package. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- OPA2330AIDGKTG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Zero-drift auto-zero architecture holds input offset voltage below 50 µV across the full -40°C to +125°C temperature range, eliminating offset calibration in precision measurement designs
- Ultra-low 35 µA quiescent current per channel enables week-long battery life in portable sensor nodes and wearable medical devices
- 1.8 V minimum supply voltage with rail-to-rail output swing suits single-cell Li-ion and energy-harvesting systems where headroom is limited
- 115 dB typical CMRR and 100 dB minimum PSRR reject supply noise and common-mode interference in sensor bridge and thermocouple amplifier circuits
Applications
The OPA2330AIDGKTG4 is ideal for precision sensor conditioning in portable medical devices, such as glucose monitors and pulse-oximeters, where its 50 µV maximum offset and 35 µA supply current per channel allow accurate signal amplification on a single 1.8 V to 5.5 V supply for extended battery life. Its zero-drift topology suits instrumentation-grade thermocouple and bridge amplifiers in industrial process control, eliminating periodic offset calibration. The dual-channel MSOP-8 package also makes it attractive for compact data-acquisition front-ends in wearables and IoT sensor nodes that require two independent precision signal paths.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0005 µA |
| Bias Current-Max (IIB) @25C | 0.0005 µA |
| Common-mode Reject Ratio-Min | 100dB |
| Common-mode Reject Ratio-Nom | 115dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 50 µV |
| JESD-30 Code | S-PDSO-G8 |
| Low-Bias | YES |
| Low-Offset | YES |
| Micropower | YES |
| Number of Functions | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 0.16V/us |
| Supply Current-Max | 0.07mA |
| Supply Voltage Limit-Max | 7V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 350 |
| Voltage Gain-Min | 100000 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for OPA2330AIDGKTG4:
Frequently Asked Questions
How low is the input offset voltage of the OPA2330AIDGKTG4 across its operating temperature range?
The OPA2330AIDGKTG4 guarantees a maximum input offset voltage of 50 µV across the full -40°C to +125°C operating range, thanks to its auto-zero (chopper-stabilized) architecture. Typical offset is closer to 5 µV at 25°C. This near-zero drift eliminates the need for system-level offset calibration in precision thermocouple amplifiers, bridge sensors, and medical measurement circuits.
For a wearable biosensor running on a 3.6 V lithium coin cell, what quiescent current does the OPA2330AIDGKTG4 draw?
Each channel of the OPA2330AIDGKTG4 draws only 35 µA of quiescent current at 3.3 V supply, so both channels together consume approximately 70 µA. On a 220 mAh CR2032 coin cell this would allow over 3,000 hours of continuous operation from the op amp alone, making it an excellent fit for always-on biosensor signal conditioning in wearable health monitors.
When should a designer choose the OPA2330 over the OPA333 for a single-supply bridge measurement application?
The OPA2330AIDGKTG4 is a dual-channel version sharing the same zero-drift core as the single-channel OPA333. Choose OPA2330 when the circuit requires 2 independent precision amplifier stages — for example, a differential bridge amplifier followed by a low-pass filter — within a single MSOP-8 footprint, saving PCB area versus two OPA333 packages. Both guarantee 50 µV max offset and 35 µA per channel, so the dual variant lowers cost and board space in two-channel designs.
What is the gain-bandwidth product of the OPA2330AIDGKTG4, and does it limit use in audio-frequency sensor designs?
The OPA2330AIDGKTG4 has a gain-bandwidth product of 350 kHz, which is sufficient for DC to audio-frequency sensor conditioning up to approximately 3.5 kHz at a closed-loop gain of 100. For sensor applications such as strain-gauge amplifiers, RTD interfaces, and heart-rate monitors operating below 1 kHz, the 350 kHz GBP provides more than adequate bandwidth; for wider-bandwidth needs above 10 kHz at high gain, a faster op amp such as the OPA320 (20 MHz GBP) would be more appropriate.
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Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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