AD4195-4

RECOMMENDED FOR NEW DESIGNS

24-Bit, 62.5kSPS, Multichannel, Low-Noise Precision Sigma-Delta ADC

Analog Devices AD4195-4 Product Info

10 February 2026 5

Features

Input referred noise: 10nV at 3.8SPS, Gain = 128
Crosspoint multiplexed analog inputs
4 Differential/8 Pseudodifferential inputs
Ultra-low noise integrated PGA, gains of 0.5 to 128
Output data rate: 3.8SPS to 62.5kSPS
Flexible digital filters
- Low latency sinc filters
- Simultaneous 50Hz/60Hz rejection
Band-gap reference with 5ppm/°C drift typical
Internal oscillator
Analog power supply: 4.75V to 5.25V or ±2.5V
Digital power supply: 1.7V to 5.25V
Matched programmable excitation current sources
Low-side power switches
On-chip bias voltage generator

Internal temperature sensor
Four general-purpose inputs/outputs
Internal and system calibration
Sensor burnout detection
Diagnostic functions
Per channel configuration
Flexible automatic channel sequencer
3- or 4-wire serial interface (Schmitt trigger on SCLK)
- SPI, QSPI, MICROWIRE, and DSP compatible
TDM compatible interface for data streaming
Performance temperature range: −40°C to +105°C
Functional temperature range: −40°C to +125°C
Available in 32-lead 4mm x 6mm LFCSP package

Part details & applications

The AD4195-4 is a low noise, completely integrated analog front end for high precision measurement applications. The device contains a low noise, 24-bit Σ-Δ analog-to-digital converter (ADC) and can be configured to have four differential or eight single-ended or pseudodifferential inputs. The on-chip low-noise gain stage ensures that signals of small amplitude can be interfaced directly to the ADC.

Please see the data sheet for the full description.

APPLICATIONS

Industrial process control: PLC/DCS modules
Temperature measurement
Pressure measurement
Medical and scientific instrumentation
Chromatography
Environmental monitoring
Electrical test and measurement
Instrumentation
Weigh scale

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