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ADS1255IDBR
IC ADC 24BIT SIGMA-DELTA 20SSOP
- Fabricant
- Mfr. Partie #ADS1255IDBR
- Paquet SSOP (DB)-20
- Fiche de données
- En stock7185
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Spécifications
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| NumberofBits | 24 |
| SamplingRate(PerSecond) | 30k |
| NumberofInputs | 1, 2 |
| InputType | Differential, Single Ended |
| DataInterface | SPI |
| Configuration | MUX-PGA-ADC |
| NumberofA/DConverters | 1 |
| Architecture | Sigma-Delta |
| ReferenceType | External |
| Voltage-SupplyAnalog | 5V |
| Voltage-SupplyDigital | 1.8V ~ 3.6V |
| Features | PGA |
| OperatingTemperature | -40°C ~ 85°C |
| Package/Case | 20-SSOP (0.209, 5.30mm Width) |
| SupplierDevicePackage | 20-SSOP |
Vue d'ensemble
Description
The device includes built-in features like a reference voltage source, an internal oscillator, and digital filters, which simplify design and enhance performance in data acquisition systems. The ADS1255IDBR operates on a supply voltage of 2.7V to 5.25V and communicates via a SPI interface, enabling easy integration with microcontrollers and digital signal processors.
It is widely used in medical devices, industrial automation, and portable instrumentation, where high accuracy and reliability are critical. Its compact package (TQFP-32) facilitates efficient PCB design, making it a popular choice among engineers looking for a robust ADC solution.
Features
1. Resolution: 24-bit conversion, offering high precision.
2. Data Rate: Supports up to 30 kSPS (samples per second) for fast signal conversion.
3. Input Channels: 5 differential or 8 single-ended inputs, allowing for versatile signal handling.
4. Low Noise: Achieves low noise performance, ideal for sensitive applications.
5. Integrated PGA: Features a programmable gain amplifier (PGA) to enhance signal levels.
6. Internal Oscillator: Includes an internal oscillator, simplifying design and reducing component count.
7. Digital Filter: Offers a built-in digital filter for improved signal integrity.
8. Power Supply: Operates from a single 5V power supply, enabling easy integration.
9. Interface: SPI-compatible interface for straightforward communication with microcontrollers and processors.
10. Temperature Range: Designed for industrial applications with an extended temperature range.
These features make the ADS1255IDBR suitable for applications like industrial automation, data acquisition, and sensor interfacing.
Package
Pinout
Key pin functions include:
1. Power Supply Pins:
- VDD (Power): Supply voltage.
- AGND (Analog Ground): Ground reference for analog signals.
- DGND (Digital Ground): Ground reference for digital signals.
2. Input Pins:
- AIN0 to AIN5: Analog input channels for differential signal measurement.
3. Digital Interface:
- SCLK (Serial Clock): Clock input for SPI communication.
- DIN (Data Input): Serial data input for configuration.
- DOUT (Data Output): Serial data output for converted data.
- CSB (Chip Select): Enables the device for communication.
4. Control Pins:
- DRDY (Data Ready): Indicates when the data is ready to be read.
- START: Initiates the conversion process.
- RESET: Resets the device.
5. Reference Pins:
- VREFP and VREFN: Positive and negative references for the ADC.
These functions enable precise measurement and communication for various applications in sensor interfaces and data acquisition systems.
Manufacturer
Application
Equivalent
1. AD7799 - Analog Devices
2. LTC2415 - Analog Devices
3. MCP3551 - Microchip
4. MAX11210 - Maxim Integrated
5. INA3221 - Texas Instruments (focus on similar features)
These alternatives may vary in specifications such as resolution, sampling rate, and interface, so it's essential to review datasheets for exact compatibility.
Expédition
Méthodes d'expéditionNous
offrir des services d'expédition mondiaux par DHL, FedEx, TNT, UPS ou tout autre expéditeur de votre choix.
Référence des frais d'expédition (DHL/FedEx):
DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.
FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.
Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.
Paiements
Payment Methods
Le terme de paiement est 100% prépayé.
Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:
1. PayPal
2. Carte de crédit/débit
3. Transfert bancaire
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