AD8432ACPZ-RL Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
Analog Devices AD8432ACPZ-RL is a dual-channel ultralow noise operational amplifier with low-offset architecture and 6250 µV maximum input offset voltage in a 24-pin QFN package. It suits high-sensitivity signal acquisition, medical imaging, and instrumentation front-end designs.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 24
- Lifecycle
- OBSOLETE
- Datasheet
- AD8432ACPZ-RL 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-channel ultralow noise op-amp architecture for high-sensitivity analog front-ends
- Low-offset design with 6250 µV maximum input offset voltage for precision amplification
- 24-pin QFN (CP-24-15) package enabling compact high-density PCB layouts
- No internal frequency compensation allowing external compensation for optimal bandwidth
- JESD-609 e3 moisture sensitivity compliance for robust SMT assembly
Applications
The AD8432ACPZ-RL is designed for ultrasound receiver front-ends, medical imaging signal chains, and high-speed data acquisition systems where ultralow noise is critical for detecting small-amplitude signals. Its dual-channel architecture supports differential signal processing in two independent receive channels within a single IC, reducing board area and inter-channel crosstalk. The 24-pin QFN footprint allows integration into compact portable medical and industrial instruments.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | CP-24-15 |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Frequency Compensation | NO |
| Input Offset Voltage-Max | 6250 µV |
| JESD-30 Code | S-XQCC-N24 |
| JESD-609 Code | e3 |
| Low-Bias | NO |
| Low-Offset | YES |
| Micropower | NO |
| Number of Functions | 2 |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC24,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 295V/us |
| Supply Current-Max | 24mA |
| Supply Voltage Limit-Max | 5.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Wideband | YES |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for AD8432ACPZ-RL:
Frequently Asked Questions
What makes AD8432ACPZ-RL suitable for ultrasound front-end signal chains compared to general-purpose op-amps?
The AD8432ACPZ-RL is optimized for ultralow noise performance, which is essential in ultrasound receive paths where echo signals as small as a few microvolts must be amplified without adding significant noise floor. General-purpose op-amps with higher noise spectral density would degrade signal-to-noise ratio at the 24-pin QFN receiver front-end stage.
How does the 6250 µV maximum input offset voltage affect DC precision in the AD8432ACPZ-RL, and can it be corrected in calibration?
The 6250 µV maximum input offset corresponds to approximately 6.25 mV worst-case DC offset, which may be significant in DC-coupled gain stages but is easily corrected by a one-time offset calibration in firmware or by AC-coupling the signal path. For the dual-channel device, both channels can be calibrated independently during production testing.
Does the absence of internal frequency compensation in AD8432ACPZ-RL require additional design effort, and what bandwidth advantage does it provide?
Without internal frequency compensation, the AD8432ACPZ-RL requires the designer to add an external compensation network, which adds a few passive components per channel. The advantage is that the bandwidth and phase margin can be tailored to the specific gain setting, potentially achieving higher closed-loop bandwidth than a unity-gain-stable compensated amplifier at the same quiescent current.
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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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