MAX4467ESA+ Analog Devices Integrated Circuit (SOT23 (8-Pin)) In Stock
Analog Devices MAX4467ESA+ is a low-cost, micropower microphone preamplifier in an 8-pin SOIC package with 200 kHz bandwidth, 0.02% THD, and complete shutdown capability, ideal for portable audio and voice-sensing applications. Available in stock worldwide with fast shipping.
- Manufacturer
- Analog Devices
- Package
- SOT23 (8-Pin)
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MAX4467ESA+ 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 MAX4467ESA+?
- 200 kHz bandwidth single-channel microphone preamplifier with 0.02% THD for low-distortion audio amplification in portable consumer and industrial voice-sensing circuits
- Micropower supply current consumption enables battery-powered operation with minimal impact on system battery life in wearable audio and IoT voice detection devices
- Complete hardware shutdown mode reduces supply current to near zero when the preamplifier is unused, critical for duty-cycled voice-activity detection applications
What is MAX4467ESA+ used for?
The MAX4467ESA+ is designed for microphone signal amplification in portable voice recorders, hearing aids, IoT voice-activity detection nodes, and battery-powered audio equipment where low supply current and compact 8-pin SOIC packaging are essential. Its 200 kHz bandwidth and 0.02% THD performance also make it suitable for precision audio test instruments, intercom front-ends, and speech processing circuits in embedded systems.
What are the specifications of MAX4467ESA+?
| Manufacturer Package Code | 8-SOIC_N-150_MIL |
| Date Of Intro | 2001-01-03 |
| YTEOL | 9 |
| Bandwidth-Nom | 200kHz |
| Consumer IC Type | AUDIO PREAMPLIFIER |
| Harmonic Distortion | 0.02% |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.4V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (8-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Where can I find the MAX4467ESA+ datasheet?
MAX4467ESA+ Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for MAX4467ESA+?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What bandwidth and distortion performance does the MAX4467ESA+ deliver for audio signal conditioning?
The MAX4467ESA+ provides a 200 kHz bandwidth with 0.02% total harmonic distortion (THD), delivering low-noise, high-fidelity amplification well beyond the 20 kHz audio band. This 200 kHz bandwidth ensures flat frequency response across the entire audible spectrum from 20 Hz to 20 kHz, while the 0.02% THD keeps harmonic artifacts inaudible in voice recording, hearing aid amplifier, and speech-recognition front-end applications.
How does the complete shutdown feature of the MAX4467ESA+ benefit battery-powered voice-detection designs?
The MAX4467ESA+ complete shutdown pin reduces supply current to near zero microamperes when deasserted, enabling duty-cycled voice-activity detection systems to power down the preamplifier between listen windows. In a wearable device powered by a 100 mAh battery where voice detection duty cycle is 1%, the shutdown feature can extend battery life by more than 10x compared to leaving the micropower preamplifier continuously active.
Which microphone types and interface configurations are supported by the MAX4467ESA+ in a typical circuit?
The MAX4467ESA+ is a single-channel audio preamplifier designed to interface with electret condenser microphones requiring a bias resistor and decoupling capacitor on the input. It accepts a single-ended audio signal from the microphone capsule and amplifies it with a gain set by 2 external resistors. This makes it compatible with standard analog electret microphone modules commonly used in IoT devices, intercom systems, and portable recorders operating from 2.7V to 5.5V supplies.
When is MAX4467ESA+ a lower-cost alternative to a higher-spec audio preamplifier IC for a voice-band application?
The MAX4467ESA+ is the right cost-optimized choice when the application only requires 20 Hz to 20 kHz voice-band amplification with 0.02% THD and does not need extended bandwidth beyond 200 kHz, high CMRR differential inputs, or integrated AGC. In a simple voice recorder or intercom front-end amplifying a single electret microphone into an ADC with a 16 kHz sample rate, the MAX4467ESA+ in an 8-pin SOIC delivers adequate performance at lower unit cost than a wide-band audio op-amp with equivalent noise specifications.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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