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AFE4403YZPT
Texas Instruments
IC AFE 1 CHAN 22BIT 36DSBGA
1568 Pcs New Original In Stock
1 Channel AFE 22 Bit 36-DSBGA
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*Quantity
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Minimum 1
5.0 / 5.0
- (107 Ratings)
AFE4403YZPT
Product Overview
1265005
DiGi Electronics Part Number
AFE4403YZPT-DGManufacturer
Texas Instruments
AFE4403YZPT
Description
IC AFE 1 CHAN 22BIT 36DSBGAInventory
1568 Pcs New Original In Stock
1 Channel AFE 22 Bit 36-DSBGA
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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365 - Day Quality Guarantee - Every part fully backed.
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AFE4403YZPT Technical Specifications
Category
Data Acquisition, Analog Front End (AFE)
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Number of Bits
22
Number of Channels
1
Voltage - Supply, Analog
2V ~ 3.6V
Voltage - Supply, Digital
2V ~ 3.6V
Mounting Type
Surface Mount
Package / Case
36-XFBGA, DSBGA
Supplier Device Package
36-DSBGA
Base Product Number
AFE4403
Datasheet & Documents
Manufacturer Product Page
AFE4403YZPT Specifications
HTML Datasheet
AFE4403YZPT-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
TEXTISAFE4403YZPT
296-37959-1
-296-37959-1-DG
2156-AFE4403YZPT
-296-37959-1
AFE4403YZPT-DG
296-37959-6
296-37959-2
Standard Package
250
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
每次購買都能準時收到貨，配送服務非常專業。
de desembre 02, 2025
いつも素早く対応してもらえて、非常に満足しています。
de desembre 02, 2025
I am very pleased with how they handled a post-purchase query. Their support team was courteous and effective.
de desembre 02, 2025
The electronic modules I received are robust and constructed with high-precision manufacturing techniques.
de desembre 02, 2025
Tracking notifications were clear and straightforward, making follow-up simple and worry-free.
de desembre 02, 2025
Their commitment to fast shipping helps me stay ahead in my projects.
de desembre 02, 2025
Reliable inventory and helpful staff make DiGi Electronics a trusted partner for our business.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when integrating the AFE4403YZPT into a portable medical device with tight power constraints?
When integrating the AFE4403YZPT into low-power medical applications like wearable pulse oximeters, a major risk is exceeding power budgets during active LED driving cycles. Although the AFE4403YZPT supports 2.0V to 3.6V analog and digital supplies, improper timing in the LED pulse control or failure to utilize the device’s low-power shutdown modes between measurements can lead to unnecessary current draw. To mitigate this, synchronize LED current pulses tightly with ADC sampling windows and use the AFE4403YZPT’s programmable timing engine to minimize active time. Also, ensure external decoupling capacitors are optimized for low leakage to avoid depleting battery charge in continuous monitoring scenarios.
Can the AFE4403YZPT replace the MAX30105 in an existing SpO2 design, and what layout adjustments are required?
Yes, the AFE4403YZPT can serve as a functional replacement for the MAX30105 in SpO2 sensing applications, but critical layout changes are required due to differing signal chain architectures. Unlike the MAX30105’s integrated high-sensitivity photodetector and internal ambient light cancellation, the AFE4403YZPT relies on an external transimpedance amplifier and requires careful PCB-level ambient light shielding. You must redesign the TIA feedback network and guard ring layout around the photodiode input to maintain signal integrity. Additionally, the AFE4403YZPT’s 36-DSBGA package demands tighter trace spacing and controlled impedance routing compared to the MAX30105’s larger footprint, so revalidate signal paths for crosstalk and EMI resilience.
How does the AFE4403YZPT handle motion-induced signal artifacts in continuous heart rate monitoring applications?
The AFE4403YZPT does not include built-in motion artifact correction, so external design strategies are essential to maintain accuracy during movement. Relying solely on the AFE4403YZPT’s 22-bit resolution without complementary data fusion may lead to erroneous readings under dynamic conditions. To reduce motion artifacts, pair the AFE4403YZPT with a 3-axis accelerometer (e.g., BMA400 or LIS3DH) and implement synchronous data capture using the AFE4403YZPT's external trigger input. Use ambient light subtraction techniques during signal processing and modulate the LED driver pulses at distinct frequencies to improve AC signal isolation. This co-processing approach mitigates false SpO2 drops during physical activity.
What are the reliability concerns when operating the AFE4403YZPT near the 3.6V supply maximum in high-temperature environments?
Operating the AFE4403YZPT close to the 3.6V analog and digital supply limits at elevated temperatures increases long-term reliability risks, including oxide stress and electromigration in the 36-DSBGA package. In environments exceeding 70°C, such as enclosed medical wearables, this combination can accelerate device aging and lead to early failure. To ensure robustness, derate the supply voltage to 3.3V ±5% and include thermal vias under the exposed center pad for effective heat dissipation. Monitor the internal temperature registers if used with a microcontroller, and avoid sustained peak LED current modes to minimize self-heating within the AFE4403YZPT.
How does the AFE4403YZPT compare to the ADPD105 in terms of analog front-end flexibility and external component count?
The AFE4403YZPT offers greater analog front-end flexibility than the ADPD105, especially in signal chain customization, but it results in higher external component count. While the ADPD105 integrates a TIA and ambient cancellation digitally, the AFE4403YZPT requires discrete TIA components and external biasing for the photodiode, giving designers better control over gain and bandwidth at the cost of board space. For applications demanding precise noise shaping or dual-wavelength optimization, the AFE4403YZPT’s independent DACs and programmable LED timing are advantageous. However, this also increases sensitivity to PCB parasitics—use short, shielded traces and low-capacitance photodiodes like the Hamamatsu S1223 to maintain performance.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
AFE4403YZPT CAD Models
Texas Instruments AFE4403YZPT PCB symbols & footprints
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