Schmitt Trigger 2V~5.5V 2ua 74ahc14pw

• Customization: Available
• Package: Tssop24
• Transport Package: Box
• Model NO.: 74AHC14PW
• Specification: 2500/reel
• Trademark: Nexpe
• Origin: China
• Production Capacity: 5000

Product Description

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1. 
   Ultra-Low Noise Performance

   • RMS Noise: 11 nV at 4.7 Hz (Gain = 128)

   • Noise-Free Resolution: Up to 22 bits (Gain = 1) and 15.5 bits (Gain = 128, 2.4 kHz)13.

2. Flexible Input Configuration

   • 4 differential or 8 pseudo-differential input channels16.

3. Integrated PGA (Programmable Gain Amplifier)

   • Adjustable gain from 1 to 128, enabling direct interfacing with small-amplitude signals36.

4. High Accuracy & Stability

   • Offset drift: ±5 nV/°C

   • Gain drift: ±1 ppm/°C

   • Specified long-term drift performance13.

5. Digital Filter & Fast Settling Option

   • Configurable output data rate (4.7 Hz to 4.8 kHz)

   • Supports simultaneous 50 Hz/60 Hz rejection36.

6. Power Supply & Interface

   • Analog supply (AVDD): 3 V to 5.25 V

   • Digital supply (DVDD): 2.7 V to 5.25 V

   • Low power consumption: 4.65 mA typical

   • Interface: SPI/QSPI/MICROWIRE/DSP-compatible 3-wire serial16.

7. Robust Packaging & Temperature Range

   • Package: 28-lead TSSOP

   • Operating temperature: -40°C to +105°C17.

 

Applications

• PLC/DCS analog input modules

• Strain gauge and pressure sensors

• Precision data acquisition systems

• Medical and scientific instruments (ECG, chromatography)

• Industrial weighing scales (load cells)

• Temperature and flow measurement systems136.

 

Specifications Summary

Parameter	Value
Manufacturer	Analog Devices Inc.
Resolution	24-bit Σ-Δ ADC
Input Channels	4 differential / 8 pseudo-differential
Sampling Rate	4.8 kSPS
PGA Gain Range	1 to 128
Noise (RMS)	11 nV (Gain=128, 4.7 Hz)
Power Supply	AVDD: 3V-5.25V, DVDD: 2.7V-5.25V
Interface	SPI/QSPI/MICROWIRE
Operating Temperature	-40°C to +105°C
Package	28-TSSOP