MAX9632ASA+ Maxim Integrated Integrated Circuit (Small Outline Packages) In Stock
Maxim MAX9632ASA+ low-noise rail-to-rail operational amplifier with 55 MHz gain-bandwidth product and 3.5 nV/√Hz typical input noise density. Wide 4.5 V to 36 V single-supply operation with 110 dB minimum CMRR and 0.18 µA maximum bias current in an 8-pin SOIC package. Optimized for precision instrumentation, ADC input buffering, and low-noise sensor signal conditioning in industrial and medical electronics.
- Manufacturer
- Maxim Integrated
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- MAX9632ASA+ 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
- 55 MHz gain-bandwidth product with rail-to-rail input and output swing delivers high-precision amplification at closed-loop gains up to 100 V/V for instrumentation and ADC buffer stages
- Ultra-low 3.5 nV/√Hz input voltage noise and 110 dB minimum CMRR ensure clean, low-distortion signal paths in precision sensor and medical measurement circuits
- Wide 4.5 V to 36 V single-supply range with 0.18 µA maximum input bias current supports battery-powered portables and 24 V industrial front-end signal chains from a single IC
Applications
The Maxim MAX9632ASA+ is optimized for precision instrumentation amplifiers, photodiode transimpedance stages, and ADC input buffers in industrial and medical electronics where low input noise and high common-mode rejection are non-negotiable. Its 55 MHz bandwidth and rail-to-rail output swing make it ideal for high-speed sensor signal conditioning in data acquisition front ends operating from 4.5 V to 36 V single-supply rails. Common applications include strain gauge signal chains, precision audio line drivers, and active filter stages that demand a sub-4 nV/√Hz noise floor and stable performance over the full industrial temperature range.
Specifications
| Manufacturer Package Code | 8-SOIC_N-150_MIL |
| Date Of Intro | 2010-11-03 |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.18 µA |
| Bias Current-Max (IIB) @25C | 0.18 µA |
| Common-mode Reject Ratio-Min | 110dB |
| Common-mode Reject Ratio-Nom | 135dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 165 µV |
| JESD-30 Code | R-PDSO-G8 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -20 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUT LINE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Power | NO |
| Programmable Power | NO |
| Slew Rate-Nom | 30V/us |
| Supply Current-Max | 6.5mA |
| Supply Voltage Limit-Max | 20V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | BICMOS |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Unity Gain BW-Nom | 55000 |
| Voltage Gain-Min | 1000000 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| 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
What gain-bandwidth product, input noise density, and supply voltage range does the MAX9632ASA+ provide?
The MAX9632ASA+ offers a 55 MHz gain-bandwidth product and a typical input voltage noise density of 3.5 nV/√Hz. It runs from a single 4.5 V to 36 V supply or a dual ±2.25 V to ±18 V supply, with a minimum CMRR of 110 dB and a maximum input bias current of 0.18 µA, making it a versatile low-noise amplifier for precision instrumentation, sensor buffers, and high-frequency signal conditioning in industrial and medical designs.
How does the MAX9632ASA+ rail-to-rail output and 55 MHz bandwidth benefit ADC input buffer designs in data acquisition systems?
The MAX9632ASA+'s rail-to-rail output maximizes the dynamic range of the downstream ADC, while its 55 MHz gain-bandwidth product supports signal conditioning for converters sampling well above 1 MSPS without bandwidth bottlenecks at closed-loop gains of 10 V/V or more. The 0.18 µA maximum input bias current minimizes errors from source resistance, and the 4.5 V to 36 V supply range accommodates both single 5 V ADC reference designs and ±15 V dual-supply industrial front ends in the same package.
When does the MAX9632ASA+ outperform a standard 10 MHz op-amp in precision strain gauge or bridge sensor signal chains?
In strain gauge applications, the MAX9632ASA+'s 55 MHz gain-bandwidth product maintains stable closed-loop operation at gains of 100 V/V or higher where a standard 10 MHz op-amp would have only 100 kHz of usable bandwidth, severely limiting dynamic response. The 110 dB minimum CMRR and 3.5 nV/√Hz noise floor reduce common-mode interference and measurement noise in full-bridge configurations powered from a 12 V or 24 V industrial supply, delivering higher accuracy than lower-performance alternatives in the same 8-pin SOIC footprint.
Related Guides
150141RS73100 Red LED Indicator and Current-Resistor Design Guide
Design a reliable 150141RS73100 red LED indicator with worst-case resistor sizing, GPIO checks, PWM drive, layout, and production validation.
Jul 11, 2026
742792651 Ferrite Bead EMI Filter and Power Integrity Design Guide
Practical guidance for using 742792651 in ferrite-bead EMI filters, including bias, DCR, damping, layout, and validation.
Jul 11, 2026
How to Choose a Ferrite Bead for EMI Suppression Rails: Selection Guide
Compare 742792651 and related ferrite beads by impedance, current rating, DCR, package, layout, and EMI test context.
Jul 10, 2026
150141BS73100 Design Guide for 3528 Status Indicator LED Circuits
Design 3528 status indicator LED circuits with 150141BS73100: current setting, resistor sizing, polarity, optics, and sourcing checks.
Jul 10, 2026
Why Buy from FindMyChip
About Maxim Integrated
Maxim Integrated is a leading electronic component manufacturer. FindMyChip sources Maxim Integrated ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Maxim Integrated
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”