| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Analog Devices, Inc. |
IC AFE 1 CHAN 24BIT 24SOIC |
0 |
|
 |
Analog Devices, Inc. |
MIXED SIGNAL FRONT END |
1593 |
|
 |
Analog Devices, Inc. |
FRONT-END PROCESSOR FOR TELECOM |
3500 |
|
 |
Analog Devices, Inc. |
IC AFE 8 CHAN 14BIT 144CSPBGA |
0 |
|
 |
Analog Devices, Inc. |
ADC, DELTA-SIGMA, 6-BIT, 2-CH |
119 |
|
 |
Analog Devices, Inc. |
6-CHANNEL AFE PROCESSOR |
108 |
|
 |
Analog Devices, Inc. |
IC AFE 6 CHAN 16BIT 28SOIC |
8 |
|
 |
Analog Devices, Inc. |
IC AFE 4 CHAN 16BIT 32LFCSP |
0 |
|
 |
Analog Devices, Inc. |
DUAL VOICEBAND CODEC |
6952 |
|
 |
Analog Devices, Inc. |
IC AFE 4 CHAN 14BIT 16WLCSP |
2638 |
|
 |
Analog Devices, Inc. |
FRONT-END PROCESSOR FOR TELECOM |
208453 |
|
 |
Analog Devices, Inc. |
DUAL-CHANNEL, 14-BIT CCD SIGNAL |
120011 |
|
 |
Analog Devices, Inc. |
1 MSPS 16/14-BIT ANALOG I/O PORT |
217 |
|
 |
Analog Devices, Inc. |
IC AFE 5 CHAN 19BIT 56LFCSP |
0 |
|
 |
Analog Devices, Inc. |
IC AFE 2 CHAN 80LQFP |
30 |
|
 |
Analog Devices, Inc. |
BROADBAND MODEM FRONT-END |
8000 |
|
 |
Analog Devices, Inc. |
6-CHANNEL AFE PROCESSOR |
484 |
|
 |
Analog Devices, Inc. |
7.5MSPS ANALOG FRONT END |
24212 |
|
 |
Analog Devices, Inc. |
AD73360 - SIX-INPUT CHANNEL ANAL |
785 |
|
 |
Analog Devices, Inc. |
IC AFE 2 CHAN 80LQFP |
55 |
|
Analog Front End (AFE) ICs are critical components in data acquisition systems, serving as the interface between analog sensors/transducers and digital processing units. They perform signal conditioning, amplification, filtering, and analog-to-digital conversion (ADC) driving functions. AFEs ensure signal integrity and measurement accuracy in applications ranging from medical devices to industrial automation, playing a pivotal role in modern precision electronics.
| Type | Functional Features | Application Examples |
|---|---|---|
| Precision AFE | Low noise, high linearity, programmable gain amplifiers (PGA) | Medical imaging equipment, precision weighing scales |
| High-Speed AFE | Wide bandwidth (>100MHz), fast settling time | Ultrasound systems, radar receivers |
| Integrated AFE | Complete signal chain in single chip (PGA + ADC + DSP) | Smart sensors, IoT edge devices |
| Isolated AFE | Galvanic isolation with >5kV rating | Power grid monitoring, industrial safety systems |
Typical AFE architecture includes:
Advanced designs integrate calibration circuits and fault detection modules.
| Parameter | Description | Importance |
|---|---|---|
| Effective Number of Bits (ENOB) | Actual ADC resolution considering noise/distortion | Determines measurement accuracy |
| Signal-to-Noise Ratio (SNR) | Ratio of desired signal to background noise (dB) | Impacts dynamic range |
| Input Referred Noise | Amplifier noise converted to input equivalent (nV/ Hz) | Limits minimum detectable signal |
| Common-Mode Rejection Ratio (CMRR) | Ability to reject common-mode interference (dB) | Essential for noisy environments |
| Power Supply Rejection Ratio (PSRR) | Noise suppression from power rails (dB) | Ensures stable operation |
Major application areas include:
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Analog Devices | AD7768 | 24-bit Sigma-Delta ADC with 2 V offset error |
| Texas Instruments | ADS1298 | 8-channel ECG frontend with built-in lead-off detection |
| STMicroelectronics | LTC2358 | 18-bit SAR ADC with 1MSPS throughput |
| NXP Semiconductors | MCP3911 | 6-channel energy measurement AFE with harmonic analysis |
Key considerations when selecting AFEs:
Current development trends include: