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
What are the key features of MAX9632ASA+?
- 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
What is MAX9632ASA+ used for?
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.
What are the specifications of MAX9632ASA+?
| 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 |
Where can I find the MAX9632ASA+ datasheet?
MAX9632ASA+ Datasheet DownloadOfficial datasheet from Maxim Integrated
What are equivalent replacements for MAX9632ASA+?
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.
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