24 Bit Analog to Digital Converter 4 Input 4 Sigma-Delta 56-LFCSP-WQ (8x8)
The AD4134BCPZ is a high-precision, ultra-low-power analog-to-digital converter designed for industrial and instrumentation applications requiring accurate measurement of low-bandwidth sensor signals. It integrates multiple fully differential or pseudo-differential input channels with advanced signal conditioning and digital filtering functions to support precision data acquisition systems. The device is optimized for applications such as process control, temperature measurement, pressure sensing, weigh scales, and portable instrumentation where low noise, high resolution, and reduced power consumption are critical. Its integrated excitation currents, programmable gain stages, and flexible interface architecture simplify external circuitry and improve overall system integration.
Engineering Specification
Device Type
Precision low-power sigma-delta analog-to-digital converter
Resolution
Twenty-four-bit conversion architecture
Input Channels
Multiple analog input channels supporting differential and pseudo-differential configurations
Architecture
Sigma-delta ADC with integrated digital filtering
Sampling Capability
Programmable output data rates with simultaneous optimization of noise and power performance
Input Signal Support
Compatible with low-level sensor outputs including RTDs, thermocouples, bridge sensors, and resistive sensors
Programmable Gain
Integrated programmable gain amplifier for small signal conditioning
Reference Support
Internal reference and external reference compatibility
Noise Performance
Low input-referred noise optimized for precision sensing applications
Power Consumption
Ultra-low-power operating modes with configurable performance scaling
Excitation Features
Integrated programmable excitation current sources for sensor biasing
Filtering Functions
On-chip digital filtering including rejection of industrial mains frequencies
Interface
SPI-compatible serial digital communication interface
Supply Voltage
Operates from low-voltage analog and digital supply rails
Temperature Range
Industrial operating temperature range suitable for harsh environments
Package Type
LFCSP package with compact footprint for space-constrained designs
Applications
Industrial automation, medical instrumentation, portable measurement systems, environmental monitoring, precision sensor interfaces, and data acquisition modules.
