MAX4805ACTJ+T Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
Analog Devices MAX4805ACTJ+T is an octal (8-channel) general-purpose voltage-feedback op-amp with 44 MHz bandwidth and 2.264 µA maximum bias current in a compact 32-pin TQFN package. It integrates 8 independent amplifier circuits for multichannel signal conditioning. Available in tape and reel with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 32
- Lifecycle
- ACTIVE
- Datasheet
- MAX4805ACTJ+T Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MAX4805ACTJ+T?
- 8 independent general-purpose op-amp channels in a 32-pin 5 mm × 5 mm TQFN package, providing high channel density for multichannel analog front-ends
- 44 MHz bandwidth (3 dB) voltage-feedback architecture supports wideband signal conditioning and active filter designs up to tens of megahertz per channel
- 2.264 µA maximum input bias current minimizes offset errors in high-impedance sensor interface circuits across the full operating temperature range
What is MAX4805ACTJ+T used for?
The MAX4805ACTJ+T is suited for multichannel data acquisition systems, medical imaging front-ends, and communications equipment where 8 independent op-amp channels with 44 MHz bandwidth must be integrated in a single 32-pin TQFN footprint to minimize PCB area. It also serves as a compact building block in active filter banks, ADC driver arrays, and baseband signal conditioning circuits in test and measurement instruments requiring matched per-channel performance across 8 inputs.
What are the specifications of MAX4805ACTJ+T?
| Manufacturer Package Code | 32-LFCSP-5X5X0.75 |
| Date Of Intro | 2010-05-11 |
| YTEOL | 10 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 2.264 µ A |
| Bandwidth (3dB)-Nom | 44MHz |
| Frequency Compensation | NO |
| JESD-30 Code | S-XQCC-N32 |
| JESD-609 Code | e3 |
| Low-Bias | YES |
| Low-Offset | YES |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC32,.2SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Slew Rate-Nom | 25V/us |
| Supply Current-Max | 3mA |
| Supply Voltage Limit-Max | 6V |
| Supply Voltage-Nom (Vsup) | 2V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Gain-Min | 2.454708916 |
| Wideband | NO |
| Package | Quad Flat No-Lead |
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 MAX4805ACTJ+T datasheet?
MAX4805ACTJ+T Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for MAX4805ACTJ+T?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many op-amp channels does the MAX4805ACTJ+T integrate, and how does this reduce BOM count in a multichannel design?
The MAX4805ACTJ+T integrates 8 independent op-amp channels in a single 32-pin TQFN package, replacing 4 dual op-amps or 2 quad op-amps with one device. In an 8-channel ADC driver or active filter application, this consolidation reduces the component count by 3 to 7 ICs, cuts total package footprint by up to 60%, and simplifies PCB routing by co-locating all 8 amplifiers within a 5 mm × 5 mm outline.
What bandwidth does each channel of the MAX4805ACTJ+T provide, and which signal frequency ranges does it support?
Each of the 8 channels in the MAX4805ACTJ+T delivers a 44 MHz (3 dB) bandwidth using a voltage-feedback architecture. This makes the device suitable for amplifying signals up to approximately 10 MHz with less than 3 dB gain error per channel, covering applications such as ultrasound receive chains, wideband instrumentation amplifiers, and IF signal buffers in communications hardware.
How does the 2.264 µA input bias current of the MAX4805ACTJ+T affect high-impedance sensor interfaces?
The maximum input bias current of 2.264 µA in the MAX4805ACTJ+T generates a DC offset voltage of 2.264 mV across a 1 kΩ source impedance, which is acceptable for most general-purpose signal conditioning but must be factored in when interfacing high-impedance sensors above 100 kΩ. Designers using photodiode transimpedance amplifiers or pH electrode buffers should verify that the resulting offset stays within the ADC's input resolution budget for the target measurement accuracy.
In what scenarios would a designer choose MAX4805ACTJ+T over four separate dual op-amp ICs for an 8-channel ADC driver?
A designer would choose the MAX4805ACTJ+T when PCB space is constrained below approximately 50 mm² for the entire op-amp stage, since its 5 mm × 5 mm 32-pin TQFN footprint is smaller than four dual-package SOIC-8 devices occupying roughly 120 mm² total. The single-package approach also ensures tighter channel-to-channel matching of bandwidth and offset across all 8 inputs, which is important in applications requiring less than 1% gain mismatch between parallel ADC channels.
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Why Buy from FindMyChip
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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