TS932ID STMicroelectronics Integrated Circuit (Other) In Stock
The TS932ID is a dual voltage-feedback operational amplifier from STMicroelectronics featuring ultra-low bias current of 0.3 nA maximum and 85 dB typical common-mode rejection ratio. Housed in an 8-pin SOIC package, it delivers precision signal conditioning for low-current sensor interfaces. Available in stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Other
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TS932ID 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
Key Features
- Ultra-low input bias current of 0.3 nA maximum enables accurate signal processing from high-impedance sensor sources without loading errors
- 85 dB typical common-mode rejection ratio (CMRR) with 55 dB minimum ensures strong noise rejection in differential measurement circuits
- Dual op-amp in compact 8-pin SOIC (R-PDSO-G8) package with internal frequency compensation for stable unity-gain operation
Applications
The TS932ID is well suited for precision instrumentation front-ends, pH sensor interfaces, and photodiode transimpedance amplifiers where the source impedance is very high and bias current errors must be kept below 1 nA. Its 85 dB CMRR makes it effective in bridge sensor conditioning circuits such as strain gauges and pressure transducers that require differential amplification with strong common-mode noise rejection. Medical and industrial signal acquisition systems that operate from low supply voltages also benefit from the TS932ID's voltage-feedback architecture and internal frequency compensation.
Specifications
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0003 µA |
| Bias Current-Max (IIB) @25C | 0.00015 µA |
| Common-mode Reject Ratio-Min | 55dB |
| Common-mode Reject Ratio-Nom | 85dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 15000 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Number of Functions | 8 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 0.5V/us |
| Supply Current-Max | 0.066mA |
| Supply Voltage Limit-Max | 12V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 100 |
| Wideband | NO |
| Package | Other |
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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the TS932ID's 0.3 nA bias current affect its suitability for high-impedance sensor interfaces?
With a maximum input bias current of only 0.3 nA (300 pA), the TS932ID introduces negligible loading error on sources with impedances up to several hundred megaohms. For example, a 100 MΩ source driven by 0.3 nA produces just 30 mV of systematic offset, which is well within the device's 15 mV input offset voltage spec and can be trimmed further in precision designs.
What is the CMRR specification of the TS932ID, and which circuit topologies benefit most from it?
The TS932ID achieves 85 dB typical common-mode rejection ratio (CMRR) with a 55 dB minimum guarantee. Differential amplifier topologies — including Wheatstone bridge sensor amplifiers, ECG input stages, and 4-wire RTD measurement circuits — benefit most because they need to reject large common-mode voltages while amplifying microvolt to millivolt differential signals from transducers operating in electrically noisy environments.
In what package does TS932ID come, and is it suitable for automated PCB assembly?
The TS932ID is available in an 8-pin SOIC package (JEDEC R-PDSO-G8), which measures approximately 4.9 mm x 3.9 mm with 1.27 mm pin pitch. This package is fully compatible with standard automated SMT pick-and-place and reflow soldering processes, making volume assembly straightforward. The SOIC footprint is widely supported in EDA library tools, reducing layout effort.
Is TS932ID internally frequency-compensated, and what does that mean for designers targeting unity-gain configurations?
Yes, the TS932ID includes internal frequency compensation, meaning it is unity-gain stable without any external compensation capacitors. Designers can connect it in voltage follower (gain = 1) or inverting/non-inverting amplifier configurations with gains above 1 without risking oscillation. This simplifies the BOM and PCB layout compared to externally compensated op-amps, which require a precisely chosen external capacitor for stability at lower gains.
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