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ADS1291IRSMR
+NomenclatureIC AFE 1 CHAN 24BIT 32VQFN
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FabricantTexas Instruments
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Pièce fabricant #ADS1291IRSMR
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Fiche technique ADS1291IRSMR DataSheet
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En stock3654
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Spécifications
| Attribut | Valeur |
| PartStatus | Active |
| NumberofBits | 24 |
| NumberofChannels | 1 |
| Power(Watts) | 495 µW |
| Voltage-Supply,Analog | 2.7V ~ 5.25V |
| Voltage-Supply,Digital | 1.7V ~ 3.6V |
| MountingType | Surface Mount |
| Package/Case | 32-VFQFN Exposed Pad |
| SupplierDevicePackage | 32-VQFN (4x4) |
| BaseProductNumber | ADS1291 |
Présentation
Description
Key specifications include a maximum data rate of 32 kSPS, a common mode rejection ratio (CMRR) of 110 dB, and a dynamic range of 105 dB. The ADS1291 also provides digital filtering capabilities, enabling user-defined configurations for optimal signal processing. Communication is facilitated via a serial interface, typically SPI, simplifying integration into microcontroller-based systems.
Overall, the ADS1291IRSMR is ideal for applications requiring high resolution and accuracy in biopotential signal acquisition, making it a popular choice in the medical device industry.
Equivalent
Features
1. High Resolution: 24-bit resolution for accurate signal capture.
2. Low Noise: Integrated low-noise amplifiers enhance signal integrity.
3. Multiple Channels: Supports up to 8 differential input channels for simultaneous measurements.
4. Data Rate: Configurable data rates ranging from 250 SPS to 32 kSPS.
5. Integrated Programmable Gain Amplifier (PGA): Offers adjustable gain settings to accommodate a wide range of input signal amplitudes.
6. Digital Filters: Built-in high-pass and low-pass filters for noise reduction and signal conditioning.
7. Low Power Consumption: Optimized for battery-operated devices, ideal for wearable applications.
8. Serial Interface: SPI-compatible for easy integration with microcontrollers and digital systems.
9. On-chip Reference: Internal voltage reference simplifies system design.
These features make the ADS1291 highly suitable for biomedical signal processing applications.
Pinout
Key Pin Functions:
1. Power Supply Pins: AVDD, AVSS (power supply)
2. Analog Inputs: IN1P, IN1N, IN2P, IN2N (differential input channels)
3. Digital Interface:
- SCLK (serial clock)
- DIN (data input)
- DOUT (data output)
- DRDY (data ready)
4. Configuration Pins:
- START, RESET (control the operation)
- GPIO (general-purpose input/output)
5. Reference Pins: REF+ and REF- (for reference voltage)
The ADS1291 provides integrated features like low-noise amplification and programmable gain, making it suitable for accurate biopotential signal acquisition. Its compact design and low power consumption are ideal for portable and wearable medical devices.