NAFE13188 - 8-Channel ±25V 24-bit AFE | NXP Semiconductors
MPN: NAFE13188 ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
NAFE13188 Overview
An analog front-end is the circuit stage between real-world sensors and the digital processing domain of a data acquisition system. Within the signal-chain hierarchy (sensor -> analog front-end -> ADC -> digital processing), the AFE performs conditioning, scaling, and digitization of sensor signals, translating the hierarchy of analog-to-digital converters, data converter ICs, and precision measurement semiconductors into a single configurable device.
Key features include 8 universal analog input channels tolerant to ±25 V, 24-bit ADC resolution, integrated excitation sources that can directly drive sensors such as RTDs and bridges without external DACs, and a low-power operating profile of roughly 150 mW. The universal-input architecture accepts voltage, current-loop, and resistive sensor connections, reducing external signal-conditioning components.
Technically, the device is a highly configurable multichannel precision AFE. Family members differ in high-speed versus low-power operation, factory calibration, 24-bit versus 16-bit ADC resolution, and 8-channel versus 4-channel counts, allowing designers to scale performance across a product portfolio using one design platform.
Typical applications include factory automation and programmable logic controller (PLC) analog input modules, test and measurement instrumentation, and battery formation or industrial process monitoring systems where ±25 V tolerance, precision, and integrated excitation reduce board cost.
A key design consideration is thermal budgeting: at 150 mW typical dissipation in the HVQFN-64 9x9 package, exposed-pad PCB copper remains important for channel-to-channel thermal consistency, which affects gain drift in precision measurements.
This page synthesizes distributor listings, same-family drop-in alternatives, and practical design guidance not consolidated in the manufacturer datasheet, with pricing as of 2026-09-13.
Drop-in alternatives for NAFE13188 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
NAFE13388B40BS
✅ Drop-In📋 Reference alternative (not in catalog)
NAFE13148B40BS
✅ Drop-In📋 Reference alternative (not in catalog)
NAFE13144B40BS
✅ Drop-In📋 Reference alternative (not in catalog)
NAFE13188 Maximum Ratings & Electrical Characteristics
| Product Type | Multichannel universal input analog front-end (AFE) |
| Number of Input Channels | 8 |
| Input Voltage Range | ±25 V universal input |
| ADC Resolution | 24 bit |
| Typical Power Consumption | 150 mW |
| Excitation Sources | Integrated excitation sources for sensor driving |
| Speed Class | High-speed AFE variant |
| Grade | Industrial-grade, high-precision measurement |
| Package | HVQFN-64 (9x9 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Family | NAFEx3388 (NAFE13388, NAFE13188, NAFE13148, NAFE13144) |
NAFE13188 hvqfn-64 (9x9 mm) Pin Configuration Guide
Pin configuration for NAFE13188 (hvqfn-64 (9x9 mm) package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for NAFE13188.
Refer to the datasheet for full pin configuration.
Typical Applications
NAFE13188 is suitable for 6 applications: PLC Analog Input Modules, Factory Automation Sensor Interfaces, Test and Measurement Instrumentation, Battery Test and Formation Equipment, Industrial Process Monitoring, Building and Energy Management Systems.
PLC Analog Input Modules
The NAFE13188 fits programmable logic controller (PLC) analog input modules because its ±25 V universal inputs directly accept standard industrial signal ranges such as 0-10 V, ±10 V, and 4-20 mA loops without extensive external conditioning, while the 24-bit ADC delivers the resolution headroom demanded by 16-bit-class module specifications. In a typical module, each channel is routed through protection and a shunt or divider into the AFE; the integrated excitation sources additionally support RTD and bridge inputs on mixed-type modules. The 150 mW power profile simplifies conduction-cooled module designs, and the HVQFN-64 (9x9 mm) package keeps channel density high - eight universal channels in one device reduces board area versus discrete per-channel ADC solutions.
Recommended
Factory Automation Sensor Interfaces
In factory automation, sensors ranging from load cells to RTDs and potentiometers must connect to a common acquisition backbone, and the NAFE13188 addresses exactly this diversity with its universal-input architecture and integrated excitation sources. The ±25 V tolerance provides inherent robustness against miswiring and transient overvoltages common on factory floors, reducing field failure rates. Per NXP documentation, the NAFEx3388 family's configurable channel programming lets one hardware design serve multiple sensor types by software setting alone, cutting SKU proliferation. The high-speed conversion class of the NAFE13188 supports dynamic measurements such as vibration and fast weight changes, and the industrial-grade qualification targets extended temperature operation required in control cabinets.
Recommended
Test and Measurement Instrumentation
Bench and rack instrumentation benefits from the NAFE13188's combination of 24-bit precision, ±25 V input tolerance, and high-speed conversion. In a USB-based DAQ or modular instrument front-end, the eight universal channels eliminate front-end relays and programmable-gain stages required by conventional ADC approaches, because the AFE internally handles gain selection and voltage scaling. NXP positions the family explicitly for high-precision measurement requirements. The integrated excitation sources allow the same instrument to measure resistance and RTD temperature without a separate source instrument. Designers should budget the 150 mW dissipation and place the exposed pad on a solid ground plane to limit channel-to-channel thermal gradients that degrade offset matching between channels in multi-channel measurements.
Recommended
Battery Test and Formation Equipment
Battery formation and test systems require many precision measurement channels monitoring cell voltage and current across wide dynamic ranges, making the NAFE13188's 8-channel ±25 V universal inputs and 24-bit ADC a strong fit - the ±25 V envelope covers series cell groups up to roughly 24 V measured single-ended. High-speed conversion enables monitoring during fast-charge profiles where cell voltage changes rapidly, catching anomalies that slow sampling misses. The integrated excitation sources can drive auxiliary sensor inputs such as cell-temperature NTCs on the same silicon, consolidating the measurement chain. Channel density in the 9x9 mm HVQFN-64 supports the compact per-cell measurement boards typical of formation trays containing hundreds of cells.
Recommended
Industrial Process Monitoring
Process industries (chemical, oil and gas, water treatment) rely on 4-20 mA current loops and resistive sensor inputs delivered to remote I/O, and the NAFE13188 digitizes both directly: universal inputs accept loop signals within the ±25 V range with sensing resistors, while excitation sources drive RTDs and thermistors for temperature measurement. NXP describes the family as meeting high-precision measurement requirements for industrial applications, relevant to the 0.1 percent-class accuracy process transmitters demand. The 150 mW consumption suits intrinsically-safe and remotely-powered field I/O where every watt of budget counts, and the configurable channel architecture allows one remote I/O design to serve analog voltage, current, and temperature sensor mixtures under software control, simplifying certification and inventory.
Recommended
Building and Energy Management Systems
Building management and solar/energy monitoring controllers aggregate diverse analog signals - 0-10 V actuators, current sensors, temperature probes - and the NAFE13188 consolidates their acquisition into one 8-channel device with ±25 V tolerance that survives the miswiring events endemic to building installations. The 24-bit resolution supports energy-metering accuracy targets on current-transformer inputs, while excitation sources handle NTC and RTD room and duct temperature sensors without additional components. Compared with discrete multi-ADC designs, the single-HVQFN-64 solution reduces bill-of-material count and calibration effort because all channels share one converter and reference domain. Its industrial-grade specification comfortably covers the extended ambient conditions found in rooftop and plant-room controllers.
Recommended
Recommended Products Summary
Engineering reference data for NAFE13188 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | NAFE13388B40BS | NAFE13148B40BS | NAFE13144B40BS |
|---|---|---|---|---|
| Package | HVQFN-64 (9x9 mm) | HVQFN-64 (9x9 mm) - same | HVQFN-64 (9x9 mm) - same | HVQFN-64 (9x9 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Input Channels | 8 | 8 | 4 | 4 |
| Input Voltage Range | ±25 V universal | ±25 V universal | ±25 V universal | ±25 V universal |
| ADC Resolution | 24 bit | 24 bit | 24 bit | 24 bit |
| Speed Class | High-speed | Low-power | Low-power | High-speed |
| Excitation Sources | Integrated | Integrated | Integrated | Integrated |
Key Differentiators
- High-speed conversion class (vs NAFE13388B40BS)
- Full 8-channel density (vs NAFE13148B40BS)
- High-speed class with pin-compatible 4-channel option (vs NAFE13144B40BS)
Design Notes
The NAFE13188 is supplied in a 64-pin HVQFN (9x9 mm) package with an exposed thermal pad. Solder the exposed pad to a continuous ground plane with an array of thermal vias; beyond heat removal (approximately 150 mW dissipation), the ground plane minimizes channel-to-channel thermal gradients that would otherwise create offset and gain mismatch between the eight input channels in precision measurements. Follow the NXP datasheet recommended land pattern exactly - HVQFN lead compliance is limited, and reflow profile deviations are a common cause of open leads on QFN-family packages.
The B40BS suffix system denotes orderable variants: NAFE13188B40BSE and NAFE13188B40BSMP (per DigiKey/Mouser listings) and NAFE13188B40BSK (per Octopart) differ in packing/handling configuration, not die or package. Verify the exact suffix against your pick-and-place and moisture-sensitivity procedures before release. Do not assume parameter values from one suffix carry to another without checking the NXP datasheet comparison table, which also differentiates family members by calibration status and 24-bit versus 16-bit resolution.
Plan the analog supply budget around the 150 mW typical consumption stated in the DigiKey listing for the high-speed NAFE13188 class. Estimated: at a nominal 3.3 V analog rail this corresponds to roughly 45 mA, which must be accounted for in LDO selection and thermal rise calculations - a 3.3 V rail feeding 45 mA from a 5 V supply dissipates about 77 mW in the regulator. The low-power family sibling NAFE13388 reduces this budget if speed requirements allow, an important trade-off in sealed or conduction-cooled enclosures.
Compliance Information
Retrieved data did not include explicit RoHS/REACH compliance statements. Industrial-grade NXP product, not marketed as automotive AEC-Q100. Verify compliance on the official NXP product page compliance documents.
