Amplifiers

Part Number	Description / PDF	Quantity
EM-DR1-IS-5-RTB-28V/OC Sensata Technologies – BEI Sensors	OPTICAL ISOLATOR MODULE DUAL	2
BX-15-IC/V-IC/V-IC/V-IC/V Sensata Technologies – BEI Sensors	BROADCASTER WITH OPTICAL ISOLATO	7
EM-DR1-AD-24-TB-28V/V Sensata Technologies – BEI Sensors	OPTICAL ISOLATOR MODULE DUAL	4
BX-5-IC/V-IC/V-IC/V-IC/V Sensata Technologies – BEI Sensors	BROADCASTER WITH OPTICAL ISOLATO	7
60003-007 Sensata Technologies – BEI Sensors	ELECTRONIC MOD ANTIDITHER	9
BX-24-IC/V-IC/V-IC/V-IC/V Sensata Technologies – BEI Sensors	BROADCASTER WITH OPTICAL ISOLATO	23
EM-DR1-QS-24-TB-USB Sensata Technologies – BEI Sensors	OPTICAL ISOLATOR QUAD TO USB 24V	1
BX-5-IC/5-IC/5-IC/5-IC/5 Sensata Technologies – BEI Sensors	BROADCASTER WITH OPTICAL ISOLATO	1
BX-5-DB/V-DB/V-DB/V-DB/V Sensata Technologies – BEI Sensors	INTERFACE MODULE 5V FOR ENCODER	0
EM-DR1-SS-S3-TB-USB Sensata Technologies – BEI Sensors	OPTICAL ISOLATOR MODULE USB	2
EM-DR1-AD-15-TB-28V/V Sensata Technologies – BEI Sensors	ISOLATOR MODULE FOR ENCODER 15V	0
EM-DR1-DB5-5-TB-28V/5 Sensata Technologies – BEI Sensors	ISOLATOR MODULE 5V	0
BX-24-DB/V-DB/V-DB/V-DB/V Sensata Technologies – BEI Sensors	INTERFACE MODULE 24V FOR ENCODER	0
BX-15-DB/V-DB/V-IC/V-IC/V Sensata Technologies – BEI Sensors	BROADCASTER AMP FOR BEI ENCODER	0
BX-24-DB/V-DB/V-IC/V-IC/V Sensata Technologies – BEI Sensors	BROADCASTER AMP FOR BEI ENCODER	0
EM-DR1-QS-5-TB-USB Sensata Technologies – BEI Sensors	OPTICAL ISOLATOR QUAD TO USB 5V	0
BX-24-DB/V-IC/V-IC/V-IC/V Sensata Technologies – BEI Sensors	SIGNAL BRDCSTER FOR ENCODER SNSR	1
EM-DR1-QS-15-TB-USB Sensata Technologies – BEI Sensors	ISOLATOR MODULE USB CONVERT 15V	0
60013-007 Sensata Technologies – BEI Sensors	OPTICAL ISOLATOR MODULE	0
EM-DR1-AD-5-TB-28V/V Sensata Technologies – BEI Sensors	ISOLATOR MODULE FOR ENCODER 5V	0

Amplifiers

1. Overview

Amplifiers are electronic devices that increase the amplitude of input signals while maintaining signal integrity. They play a critical role in sensor signal conditioning, transducer output enhancement, and data acquisition systems. Modern applications require amplifiers to handle diverse signal types (analog/digital, voltage/current) with high precision and efficiency in fields like IoT, industrial automation, and medical electronics.

2. Major Types and Functional Classification

Type	Functional Characteristics	Application Examples
Voltage Amplifiers	High voltage gain, medium input impedance	Audio systems, sensor signal conditioning
Current Amplifiers	High current gain, low output impedance	Motor drivers, power systems
Transimpedance Amplifiers	Converts current to voltage with precision	Photodiode sensors, optical receivers
Instrumentation Amplifiers	Differential input with high CMRR	Medical devices, industrial sensors
Power Amplifiers	High output power capability	RF transmitters, audio equipment

3. Structure and Components

Typical amplifier architecture includes: - Housing: Metal/plastic enclosure for EMI shielding - Circuit Board: Contains operational amplifiers (op-amps), resistors, capacitors - Input/Output Terminals: Screw/banana connectors or PCB pads - Power Supply Circuitry: Voltage regulators and filtering components - Thermal Management: Heat sinks or cooling fans for high-power models Modern IC-based designs integrate multiple stages in single chips with digital calibration features.

4. Key Technical Specifications

Parameter	Description	Importance
Gain (dB)	Signal amplification ratio	Determines output strength vs input
Bandwidth (Hz)	Frequency range of operation	Affects signal fidelity
Input Impedance ( )	Resistance to input signal source	Prevents signal source loading
Output Noise (nV/ Hz)	Unwanted signal generation	Critical for precision measurements
Power Supply Rejection Ratio (PSRR)	Noise suppression from power source	Ensures stable operation

5. Application Fields

Key industries include: - Industrial Automation: Pressure sensor signal amplification - Medical Equipment: ECG machine signal conditioning - Telecommunications: RF signal boosting - Automotive: Engine control unit (ECU) sensor interfaces - Scientific Instruments: Spectrometer data acquisition

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
TI (Texas Instruments)	LMH6629	1.5GHz bandwidth, 0.1dB gain flatness
Analog Devices	AD8421	160dB CMRR, programmable gain
STMicroelectronics	TSV991	16MHz GBWP, rail-to-rail I/O
Maxim Integrated	MAX4468	Audio amplifier with low THD

7. Selection Guidelines

Key considerations: 1. Required gain vs bandwidth trade-off 2. Source/load impedance matching 3. Operating temperature range (-40 C to +125 C typical) 4. Power supply constraints (single/dual rail) 5. Noise tolerance for precision applications 6. Physical size and thermal management needs

8. Industry Trends

Current development directions include: - Integration with ADCs and digital interfaces (e.g., I2C) - Development of MEMS-based amplifiers for IoT - Advancements in Class-D amplifier efficiency (>90%) - AI-driven adaptive amplification algorithms - Photonic integrated circuit amplifiers for 5G+ communications