TL032AIDRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The TL032AIDRG4 is a dual voltage-feedback operational amplifier from Texas Instruments featuring 87 dB typical CMRR, 0.9 nA maximum bias current, and internal frequency compensation, housed in an 8-pin SOIC package for precision analog signal processing. Its ultra-low input bias current suits high-impedance sensor interface designs. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TL032AIDRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TL032AIDRG4?
- Dual voltage-feedback op-amp with 87 dB typical CMRR and 0.9 nA maximum bias current for precision high-impedance signal conditioning
- Internal frequency compensation simplifying closed-loop stability in inverting and non-inverting amplifier configurations without external compensation networks
- 8-pin SOIC package providing dual independent amplifiers in a compact footprint for two-channel sensor and filter designs
What is TL032AIDRG4 used for?
The TL032AIDRG4 is suited for precision instrumentation front-ends, pH electrode amplifiers, and photodiode transimpedance circuits where the 0.9 nA maximum bias current prevents measurement errors from source impedances up to several gigaohms. Its 87 dB CMRR enables accurate differential signal extraction in bridge sensor and thermocouple interface circuits. Industrial and medical measurement equipment benefit from the dual-channel configuration, reducing component count and board area in two-channel acquisition chains.
What are the specifications of TL032AIDRG4?
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0009 µA |
| Bias Current-Max (IIB) @25C | 0.0002 µA |
| Common-mode Reject Ratio-Min | 70dB |
| Common-mode Reject Ratio-Nom | 87dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 4600 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -5 V |
| Number of Functions | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 1.5V/us |
| Slew Rate-Nom | 2.3V/us |
| Supply Current-Max | 0.56mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BIFET |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 1000 |
| Voltage Gain-Min | 3000 |
| 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 |
Where can I find the TL032AIDRG4 datasheet?
TL032AIDRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TL032AIDRG4?
Compatible alternatives and drop-in replacements for TL032AIDRG4:
Rochester Electronics LLC DUAL OP-AMP, 4600uV OFFSET-MAX, 1MHz BAND WIDTH, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8
Frequently Asked Questions
How does the TL032AIDRG4's 0.9 nA maximum bias current benefit high-impedance sensor interfaces?
At 0.9 nA maximum input bias current, the TL032AIDRG4 introduces less than 0.9 µV of offset error across a 1 MΩ source impedance, and less than 90 µV across a 100 MΩ source. This makes it ideal for pH electrodes, ISFET sensors, and piezoelectric transducers whose source impedances range from 10 MΩ to 1 GΩ, preserving measurement accuracy without requiring impedance buffer stages.
What is the CMRR specification of the TL032AIDRG4, and how does it affect differential measurement accuracy?
The TL032AIDRG4 has a minimum CMRR of 70 dB and a typical CMRR of 87 dB. At 87 dB, a 1 V common-mode noise signal is attenuated to approximately 45 µV at the output referred to the input, preserving millivolt-level differential signals from bridge sensors in electrically noisy environments such as motor drive cabinets and industrial panels.
In which precision circuit topologies does the internal frequency compensation of the TL032AIDRG4 simplify design?
Internal frequency compensation allows the TL032AIDRG4 to be used directly in unity-gain buffers, summing amplifiers, and integrators without adding external compensating capacitors. This reduces BOM complexity and prevents accidental instability from layout parasitics when the PCB has traces longer than 10 mm near the input pins, which is critical in high-density 4-layer boards with mixed analog and digital signals.
How does choosing the dual TL032AIDRG4 over two single op-amps reduce BOM cost in a two-channel measurement system?
A single TL032AIDRG4 in SOIC-8 replaces two single op-amps in separate SOIC-5 or SOT-23-5 packages, saving one component placement, one set of decoupling capacitors, and approximately 30–50% of the PCB area for the amplifier section. In volume production this translates to lower pick-and-place time per board and a single part number to manage in procurement, simplifying supply chain for designs with 2-channel differential inputs.
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About Texas Instruments
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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