AD7194 Datasheet 24-Bit Sigma-Delta ADC

Manufacturer: Analog Devices

Datasheet Details

The AD7194 is a low noise, complete analog front end for high precision measurement applications.

It contains a low noise, 24-bit sigma-delta (Σ-Δ) analog-to-digital converter (ADC).

The on-chip low noise gain stage means that signals of small amplitude can interface directly to the ADC.

8-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA.

Fast settling filter option 8 differential/16 pseudo differential input channels RMS noise: 11 nV at 4.7 Hz (gain = 128) 15.5 noise-free bits at 2.4 kHz (gain = 128) Up to 22 noise-free bits (gain = 1) Offset drift: ±5 nV/°C Gain drift: ±1 ppm/°C Programmable gain (1 to 128) Output data rate: 4.7 Hz to 4.8 kHz Internal or external clock Simultaneous 50 Hz/60 Hz rejection 4 general-purpose digital outputs Power supply AVDD: 3 V to 5.25 V DVDD: 2.7 V to 5.25 V Current: 4.65 mA Temperature range:.

Part Number	Description
AD7190	4.8 kHz Ultra-Low Noise 24-Bit Sigma-Delta ADC
AD7191	Sigma-Delta ADC
AD7192	4.8 KHz Ultra-Low Noise 24-Bit Sigma-Delta ADC
AD7193	24-Bit Sigma-Delta ADC
AD7195	24-BIT SIGMA-DELTA ADC
AD71028	Dual Digital BTSC Encoder
AD71056	Energy Metering
AD711	BiFET Op Amp
AD7110	Digitally Controlled Audio Attenuator
AD7111	LC2MOS LOGDAC Logarithmic D/A Converter