32-bit delta sigma analog-to-digital converter (ADC) containing a low noise programmable gain amplifier (PGA) and 2 channel input multiplexers. This ADC is very well suited for seismic monitoring kind of applications requiring ultra-high accuracy.
The PGA has high input impedance which facilitating interface with external instruments like geophone over gains ranging from 1 to 64
32 bit 8Ksps sigma delta ADC for Seismic Precision application in TSMC 180nm
Overview
Key Features
- High resolution:127dB SNR (250SPS)
- Low noise PGA:
- Noise=5nV/?Hz
- Programmable gain (1,2 4,8,16,32,64)
- Two channel input multiplexers
- Power Supply:
- ANALOG (AVDD) = Unipolar(5V) or Bipolar(±2.5V)
- DIGITAL (DVDD) = 1.65V to 3.6 V
- Programmable output data rate: 250 SPS to 4 kSPS
- High CMRR: -110 dB
- High accuracy, THD: -122dB
- Offset and gain calibration
- SYNC input
- Programmable power down and reset
Benefits
- Ultra-low power delta sigma ADC
- High performance up-to 127dB dynamic range
- Industry best IP specifications
Applications
- Seismic monitoring
- Industrial process control
- High-accuracy instrumentation
Deliverables
- Datasheet
- Hard Macro (GDSII)
- Characterisation Report (as applicable)
- Abstract View (LEF)
- Integration and Customer Support
Technical Specifications
Short description
32 bit 8Ksps sigma delta ADC for Seismic Precision application in TSMC 180nm
Vendor
Vendor Name
Foundry, Node
180nm
Maturity
Silicon validated
Availability
June 2019
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