| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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57,751 pcs
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57751 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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1,574 pcs
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1574 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
| On Request | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The ADS1284IRHFT is a high-performance, single-chip, analog-to-digital converter (ADC) from Texas Instruments. It integrates a low-noise programmable gain amplifier (PGA), a delta-sigma modulator, and a digital filter. The device supports two selectable operating modes: a low-power mode consuming 12 mW and a high-resolution mode consuming 18 mW, allowing designers to trade off between power consumption and resolution.
Key electrical specifications include a 31-bit resolution, a maximum sampling rate of 4 kSPS, and a typical SNR of 127 dB in low-power mode and 130 dB in high-resolution mode (PGA=1, 250 SPS). The ADC offers a total harmonic distortion (THD) of -122 dB and a common-mode rejection ratio (CMRR) of 110 dB. It operates with an analog supply of 5 V or ±2.5 V and a digital supply from 1.65 V to 3.6 V.
The device is designed for seismic and geospace exploration applications. It includes a two-channel multiplexer, an inherently stable modulator, a fast responding overrange detector, and a flexible digital filter with selectable Sinc + FIR + IIR options. The ADS1284IRHFT is housed in a 24-VFQFN exposed pad package (24-VQFN 5x4) and is rated for surface mount assembly.
| Qty | Low | High |
|---|---|---|
| 1+ | $54.88 | $54.88 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The ADS1284IRHFT has a resolution of 31 bits.
The maximum sampling rate is 4 kSPS.
It has 2 differential input channels.
The operating temperature range is -40°C to 85°C.
The device is packaged in a 24-VFQFN Exposed Pad (24-VQFN 5x4).
Typical power consumption in low-power mode is 12 mW.
The typical SNR in high-resolution mode is 130 dB (PGA=1, 250 SPS).