Texas Instruments ADS1287DIRHBR
Manufacturer No:
ADS1287DIRHBR
Manufacturer:
Texas Instruments
Package:
Description:
Low-power 1-kSPS 2-ch (simultaneous) delta-sigma ADC with PGA for seismic and energy exploration
Quantity:
In Stock :4067
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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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ADS1287DIRHBR Information
Texas Instruments ADS1287DIRHBR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments ADS1287DIRHBR.
- Type
- Parameter
- Resolution (Bits)
- 24
- Sample rate (max) (ksps)
- 1
- Number of input channels
- 2
- Interface type
- SPI
- Architecture
- Delta-Sigma
- Input type
- Differential
- Multichannel configuration
- Simultaneous Sampling
- Rating
- Catalog
- Reference mode
- External
- Input voltage range (max) (V)
- 1.15, 3.75
- Type
- Parameter
- Input voltage range (min) (V)
- -1.6, 1
- Features
- PGA
- Operating temperature range (°C)
- -40 to 85
- Power consumption (typ) (mW)
- 4.4
- Analog supply (min) (V)
- -2.5, 0
- Analog supply voltage (max) (V)
- 2.5, 5
- Digital supply (min) (V)
- 2.25
- Digital supply (max) (V)
- 3.6
- Package
- VQFN (RHB)
- Pins
- 32
Download datasheets and manufacturer documentation for Texas Instruments ADS1287DIRHBR.
Data sheet:
Application note:
The ADS1287D device is a dual, simultaneous-sampling, analog-to-digital converter (ADC), with an integrated programmable gain amplifier (PGA) and finite-impulse-response (FIR) digital filter. The ADC is suitable for the demanding needs of low-power, seismic data acquisition.
The ADC features a programmable-gain, high-impedance amplifier suitable for direct connection of geophone and hydrophone sensors to the ADC over a wide range of input signals (±2.5 V to ±0.156 V). Dual 100-nA current sources are integrated into the ADC inputs for field testing of sensors.
The ADC incorporates a fourth-order, inherently stable, delta-sigma (ΔΣ) modulator. The modulator digital output is filtered and decimated by the internal FIR digital filter to yield the ADC conversion result.
The FIR digital filter provides data rates up to 1000 samples per second (SPS). The high-pass filter (HPF) removes DC and low-frequency components from the conversion result. On-chip gain and offset scaling registers support system calibration.
Total device power consumption is 4.4 mW. The ADC is packaged in a compact 5-mm × 5-mm VQFN package and is fully specified over the –40°C to +85°C temperature range.
- SNR: 114 dB (50 Hz–200 Hz, Gain = 1)
- Power: 2.2 mW (Per ADC)
- THD: –115 dB
- CMRR: 110 dB
- High-Impedance CMOS PGA:
- Gains 1, 2, 4, 8, and 16
- Data Rates: 62.5 SPS to 1000 SPS
- Flexible Digital Filter:
- Sinc + FIR + IIR (Selectable)
- Linear and Minimum Phase Response
- Programmable High-Pass Filter
- Sensor-Test Current Sources
- Offset and Gain Calibration
- Synchronization Control
- SPI™-Compatible Interface
- Analog Power Supply: 5 V or ±2.5 V
- Digital Power Supply: 2.5 V to 3.3 V
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12.28 M
Listed Part Number
3,000+
Leading Manufacturers
4.9 M
In-stock SKU
15,000+
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