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VQFN (RHF)
Integrated Circuits (ICs)

ADS1284IRHFR

Active
Texas Instruments

ULTRA-HIGH-RESOLUTION 4-KSPS 2-CH ADC W/ PGA AND LOW-POWER MODE FOR SEISMIC AND GEOSPACE EXPLORATION

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Search across all available documentation for this part.

DocumentsDigital Filter Types in Delta-Sigma ADCs (Rev. A)Fundamentals of Precision ADC Noise Analysis (Rev. A)+2
VQFN (RHF)
Integrated Circuits (ICs)

ADS1284IRHFR

Active
Texas Instruments

ULTRA-HIGH-RESOLUTION 4-KSPS 2-CH ADC W/ PGA AND LOW-POWER MODE FOR SEISMIC AND GEOSPACE EXPLORATION

Deep-Dive with AI

DocumentsDigital Filter Types in Delta-Sigma ADCs (Rev. A)Fundamentals of Precision ADC Noise Analysis (Rev. A)+2

Technical Specifications

Parameters and characteristics for this part

SpecificationADS1284IRHFR
ArchitectureSigma-Delta
ConfigurationMUX-PGA-ADC
Data InterfaceSPI
FeaturesPGA
Input TypeDifferential
Mounting TypeSurface Mount
Number of A/D Converters1
Number of Bits31
Number of Inputs2
Operating Temperature [Max]85 °C
Operating Temperature [Min]-40 °C
Package / Case24-VFQFN Exposed Pad
Ratio - S/H:ADC0:1
Reference TypeExternal
Sampling Rate (Per Second)128 per second
Supplier Device Package24-VQFN (5x4)
Voltage - Supply, Analog [Max]5.25 V
Voltage - Supply, Analog [Min]2.15 V
Voltage - Supply, Digital [Max]3.6 V
Voltage - Supply, Digital [Min]1.65 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$
DigikeyTape & Reel (TR) 3000$ 53.93
Texas InstrumentsLARGE T&R 1$ 63.95
100$ 56.85
250$ 46.73
1000$ 41.80

Description

General part information

ADS1284 Series

The ADS1284 is a high-performance, single-chip, analog-to-digital converter (ADC). This device includes a low-noise programmable gain amplifier (PGA), delta-sigma (ΔΣ) modulator, and digital filter. The ADC supports two modes of operation with trade-offs between power and resolution.

The two-channel multiplexer has the inputs for signal measurement and an ADC signal test. A mode is available to short circuit the inputs and test for internal noise. The PGA has the high input impedance and low noise, which provides for the direct connection of geophone and hydrophone sensors.

The fourth-order, inherently stable modulator provides outstanding noise and linearity performance. The modulator output is filtered and decimated by the on-chip digital filter to yield the ADC conversion result.