Texas Instruments ADS1278HFQ/EM
Manufacturer No:
ADS1278HFQ/EM
Manufacturer:
Texas Instruments
Package:
Description:
Radiation Hardened 24-Bit 8-Ch Simultaneous-Sampling Delta-Sigma ADC
Quantity:
In Stock :5530
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Expected Shipping：Fri, May 29 - Sat, May 30, 2026
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Date Code：Within 2 Years
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ADS1278HFQ/EM Information
Texas Instruments ADS1278HFQ/EM technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments ADS1278HFQ/EM.
- Type
- Parameter
- Resolution (Bits)
- 24
- Sample rate (max) (ksps)
- 128
- Number of input channels
- 8
- Interface type
- SPI
- Architecture
- Delta-Sigma
- Input type
- Differential
- Multichannel configuration
- Simultaneous Sampling
- Rating
- Space
- Reference mode
- External
- Input voltage range (max) (V)
- 5.25
- Type
- Parameter
- Input voltage range (min) (V)
- 0
- Features
- Daisy-Chainable
- Operating temperature range (°C)
- -55 to 125
- Power consumption (typ) (mW)
- 530
- Analog supply (min) (V)
- 4.75
- Analog supply voltage (max) (V)
- 5.25
- SNR (dB)
- 111
- Digital supply (min) (V)
- 1.65
- Digital supply (max) (V)
- 2.2
- Package
- CFP (HFQ)
Download datasheets and manufacturer documentation for Texas Instruments ADS1278HFQ/EM.
Application note:
Data sheet:
Radiation & reliability report:
Selection guide:
Application brief:
More literature:
The ADS1278-SP (octal) is a 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC) with data rates up to 128k samples per second (SPS), allowing simultaneous sampling of eight channels.
Traditionally, industrial delta-sigma ADCs offering good drift performance use digital filters with large passband droop. As a result, they have limited signal bandwidth and are mostly suited for dc measurements. High-resolution ADCs in audio applications offer larger usable bandwidths, but the offset and drift specifications are significantly weaker than respective industrial counterparts. The ADS1278-SP combines these types of converters, allowing high-precision industrial measurement with excellent dc and ac specifications.
The high-order, chopper-stabilized modulator achieves very low drift with low in-band noise. The onboard decimation filter suppresses modulator and signal out-of-band noise. These ADCs provide a usable signal bandwidth up to 90% of the Nyquist rate with less than 0.005 dB of ripple.
Four operating modes allow for optimization of speed, resolution, and power. All operations are controlled directly by pins; there are no registers to program. The device is fully specified over the extended temperature range of –55°C to 125°C and is available in an 84-pin HFQ package.
- Radiation Hardened
- TID 75 krad(Si)
- TID Radiation Lot Acceptance Test (RLAT) TBD
- Single Event Latchup (SEL) Immune to LET 68 MeV-cm2/mg @ 125°C
- Simultaneously Samples Eight Channels
- Up to 128-kSPS Data Rate
- AC Performance:
- 63-kHz Bandwidth
- 111-dB SNR (High-Resolution Mode)
- –108-dB THD
- DC Accuracy:
- 0.8-µV/°C Offset Drift
- 1.3-ppm/°C Gain Drift
- Selectable Operating Modes:
- High-Speed: 128 kSPS, 106-dB SNR
- High-Resolution: 52 kSPS, 111-dB SNR
- Low-Power: 52 kSPS, 31 mW/ch
- Low-Speed: 10 kSPS, 7 mW/ch
- Linear Phase Digital Filter
- SPI™ or Frame-Sync Serial Interface
- Low Sampling Aperture Error
- Modulator Output Option (Digital Filter Bypass)
- Analog Supply: 5 V
- Digital Core: 1.8 V
- I/O Supply: 1.8 V to 3.3 V
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12.28 M
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