# AFE881H1RRUR (Component)
## Description
2 Channel AFE 16 Bit 24-UQFN (4x4)
The AFE881H1RRUR is a highly integrated analog front-end (AFE) designed for multi-channel data acquisition systems. It combines precision analog signal conditioning with high-speed analog-to-digital conversion, making it suitable for applications such as medical instrumentation, industrial measurement, and test and measurement equipment. The device integrates low-noise amplifiers, programmable gain stages, anti-aliasing filters, and high-resolution ADCs into a compact package, reducing system complexity and board space.
Key Features
Multi-channel analog front-end integration
High-resolution analog-to-digital conversion
Low-noise input stage for precision measurements
Programmable gain amplifier (PGA)
Integrated anti-aliasing filters
High sampling rate capability
Serial digital interface (SPI-compatible)
Low power consumption for portable systems
Compact surface-mount package
Electrical Characteristics (Typical – refer to datasheet for exact values)
Supply Voltage: ~1.8 V to 3.3 V (analog/digital domains)
Input Voltage Range: Dependent on configuration
Resolution: Up to 16-bit or higher (device dependent)
Sampling Rate: Up to several MSPS (depending on mode)
Power Consumption: Optimized for performance/power balance
Functional Blocks
Low-noise input buffer
Programmable gain amplifier (PGA)
Anti-aliasing filter
High-speed ADC core
Digital control interface (SPI)
Clock management circuitry
Package Information
Package Type: QFN / VQFN (exact variant per TI RRU package code)
Mounting Type: Surface Mount
Pin Count: Typically 40+ pins (refer to datasheet for exact count)
Applications
Medical imaging and instrumentation
Industrial data acquisition systems
Oscilloscopes and test equipment
Communication systems
Precision sensor interfaces
Advantages
High integration reduces external components
Improved signal integrity due to low-noise design
Flexible configuration via programmable gain
Compact footprint for dense PCB layouts
Notes
Exact electrical parameters, pin configuration, and performance metrics must be verified in the official Texas Instruments datasheet.
Proper PCB layout (grounding, shielding, and decoupling) is critical for optimal performance.
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## Component Details
- **Owner:** adrian95
- **Created:** 4/21/2026
- **Last Updated:** 4/21/2026
- **Visibility:** Public
- **Datasheet URL:** https://www.ti.com/lit/ds/symlink/afe881h1.pdf
- **Manufacturer Part Number:** AFE881H1RRUR
- **Part Type:** Integrated Circuit
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Manufacturer Name:** Texas Instruments
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/afe881h1rrur/texas-instruments.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C20345193.html) | $14.1274 | 6 |
| [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/AFE881H1RRUR?qs=9vOqFld9vZWVGplNnbVdAA%3D%3D) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Texas Instruments
- **MPN:** AFE881H1RRUR
- **Mount Type:** Surface Mount
- **Package / Case Code:** 16-UQFN
- **Pin Count:** 24
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | UARTIN | |
| 2 | UARTOUT | |
| 3 | CD | |
| 4 | RTS | |
| 5 | REF_EN | |
| 6 | RESET | |
| 7 | SCLK | |
| 8 | SDI | |
| 9 | SDO | |
| 10 | CS | |
| 11 | CLK_OUT | |
| 12 | IOVDD | |
| 13 | VDD | |
| 14 | GND | |
| 15 | AIN0 | |
| 16 | POL_SEL/AIN1 | |
| 17 | PVDD | |
| 18 | VOUT | |
| 19 | VREFIO | |
| 20 | REF_GND | |
| 21 | RX_IN | |
| 22 | RX_INF | |
| 23 | MOD_OUT | |
| 24 | ALARM | |
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