MAX4252EBL+ Analog Devices Integrated Circuit (BGA) In Stock
MAX4252EBL+ is a dual general-purpose operational amplifier with ultra-low input bias current of 1 pA and 115 dB common-mode rejection ratio. Packaged in a 9-ball WLCSP for extremely compact designs, it suits precision sensor and signal conditioning applications.
- Manufacturer
- Analog Devices
- Package
- BGA
- Pin Count
- 9
- Lifecycle
- ACTIVE
- Datasheet
- MAX4252EBL+ 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
- Dual op-amp with ultra-low input bias current of 1 pA at 25°C for high-impedance sensor interfaces
- 115 dB typical common-mode rejection ratio for precision differential signal conditioning
- Voltage-feedback architecture with internal frequency compensation (stable at AV ≥ 10)
- 9-ball WLCSP package enabling sub-millimeter PCB footprint in wearables and IoT nodes
- 70 dB minimum CMRR guaranteed over the full operating temperature range
Applications
MAX4252EBL+ is used in precision instrumentation, medical biosensor front ends, and portable data acquisition systems where ultra-low input bias current and high CMRR are necessary to accurately amplify small differential signals from pH electrodes, strain gauges, or thermocouple amplifiers. Its WLCSP packaging makes it suitable for wearable health monitors, hearing aids, and compact handheld measurement devices.
Specifications
| Manufacturer Package Code | 9-WLCSP-N/A |
| Date Of Intro | 1998-01-03 |
| YTEOL | 9 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0001 µA |
| Bias Current-Max (IIB) @25C | 0.000001 µA |
| Common-mode Reject Ratio-Min | 70dB |
| Common-mode Reject Ratio-Nom | 115dB |
| Frequency Compensation | YES (AVCL>=10) |
| Input Offset Voltage-Max | 750 µV |
| JESD-30 Code | S-PBGA-B8 |
| Low-Bias | YES |
| Low-Offset | YES |
| Micropower | YES |
| Number of Functions | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA8,3X3,20 |
| Package Shape | SQUARE |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 0.3V/us |
| Supply Current-Max | 1.31mA |
| Supply Voltage Limit-Max | 6V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin/Silver/Copper/Nickel (Sn/Ag/Cu/Ni) |
| Terminal Form | BALL |
| Terminal Pitch | 0.5mm |
| Terminal Position | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 3000 |
| Voltage Gain-Min | 10000 |
| Wideband | NO |
| Package | BGA |
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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Why is MAX4252EBL+'s 1 pA input bias current significant for pH sensor or glass-electrode measurement circuits?
Glass electrodes and pH sensors present source impedances in the gigaohm range, so an op-amp with just 1 pA input bias current like MAX4252EBL+ introduces less than 1 mV of offset error across a 1 GΩ source, compared to nanoamp-range bias currents in general-purpose op-amps that could produce hundreds of millivolts of error.
What CMRR performance does MAX4252EBL+ provide and how does it help in differential sensor amplifier designs?
MAX4252EBL+ achieves 115 dB typical and 70 dB minimum common-mode rejection ratio, which attenuates 50 Hz and 60 Hz power-line noise picked up by long sensor cables by a factor exceeding 3,000,000 to 1, making it valuable in industrial sensor conditioning and ECG front-end amplifiers.
How does the 9-ball WLCSP package of MAX4252EBL+ compare to an 8-pin SOIC package for PCB area in wearable devices?
The 9-ball WLCSP package for MAX4252EBL+ occupies approximately 1 mm x 1 mm, which is roughly 20 times smaller in board area than a standard 8-pin SOIC package, making it ideal for wearable biosensor PCBs where every square millimeter of space is limited.
What closed-loop gain configurations are stable for MAX4252EBL+, and how does that affect filter design choices?
MAX4252EBL+ is internally compensated for stability at closed-loop gains of 10 or higher (AV ≥ 10), which means it is appropriate for active bandpass and high-pass filter stages where gain is at least 20 dB, but unity-gain buffers or inverters with AV below 10 require external compensation or a different op-amp selection.
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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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