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ADS8344E
+NomenclatureIC ADC 16BIT SAR 20SSOP
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FabricantTexas Instruments
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Pièce fabricant #ADS8344E
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Package SSOP-20
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En stock2647
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Spécifications
| Attribut | Valeur |
| Package / Case | Tube |
| Part Status | Active |
| Number of Bits | 16 |
| Sampling Rate(Per Second) | 100k |
| Number of Inputs | 4, 8 |
| Input Type | Differential, Single Ended |
| Data Interface | SPI |
| Configuration | S/H-ADC |
| Ratio - S / H: ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External |
| Voltage - Supply, Analog | 2.7V ~ 3.6V, 5V |
| Voltage - Supply, Digital | 2.7V ~ 3.6V, 5V |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 20-SSOP |
Présentation
Description
The ADS8344E operates with a single 2.7V to 5.5V power supply and has a typical power consumption of just a few milliwatts, reflecting its efficiency in battery-powered systems. It offers a four-channel input multiplexer, allowing for the conversion of multiple analog signals. The ADC provides a differential input, improving noise immunity and accuracy.
Communication with the ADS8344E is achieved via a standard SPI-compatible serial interface, ensuring easy integration with a wide range of microcontrollers and digital systems. The device is often used in fields such as industrial process control, portable instrumentation, and data acquisition systems, where high-resolution and reliable digital conversion is necessary. Its compact package size also makes it suitable for space-constrained applications.
Equivalent
1. AD7689 by Analog Devices: 16-bit, 8-channel ADC.
2. MCP3208 by Microchip Technology: 12-bit, 8-channel ADC.
3. LTC1859 by Analog Devices (formerly Linear Technology): 16-bit, 8-channel ADC.
4. MAX11410 by Maxim Integrated: 16-bit, multi-channel ADC.
These alternatives may vary in specifications like resolution, input channels, and features, so check the datasheets for specific application needs.
Features
Key features include a maximum sampling rate of 100 kSPS (kilosamples per second), and a four-channel input multiplexer, allowing it to handle multiple input signals. The ADS8344E supports single-ended and differential inputs, offering flexibility in signal processing. It operates over a wide supply voltage range of 2.7V to 5.25V, enhancing its versatility in different systems.
The device boasts high precision with a low integral non-linearity (INL) and differential non-linearity (DNL). It also includes a built-in reference buffer, simplifying external component requirements. The ADS8344E is designed to operate in a temperature range of -40°C to +85°C, suitable for industrial environments. Its compact package options facilitate space-constrained designs, enhancing its applicability in various applications.
Pinout
1. VREF: Reference voltage input.
2. GND: Ground.
3. CH0-CH3: Four analog input channels.
4. +IN: Positive input for differential signals.
5. -IN: Negative input for differential signals.
6. VCC: Power supply input.
7. CS: Chip Select; enables the device.
8. DOUT: Serial data output.
9. DIN: Serial data input.
10. SCLK: Serial clock input.
11. BUSY: Indicates conversion status.
12. RESET: Resets the device.
13. PD: Power down input.
14. CS: Chip select input.
The ADS8344E is used in applications requiring high-accuracy data conversion such as medical instruments, industrial control, and data acquisition systems. It communicates via a serial interface, allowing it to be easily integrated into various systems.
Manufacturer
Application
1. Industrial Automation: Used in process control systems for accurate measurement and monitoring.
2. Medical Instrumentation: Essential in devices requiring high-resolution data, such as ECG machines.
3. Test and Measurement Equipment: Utilized for precise electrical measurements in various testing devices.
4. Data Acquisition Systems: Offers high-speed and high-accuracy conversion for various signal acquisition needs.
5. Communication Systems: Supports high-fidelity signal conversion in telecommunication infrastructure.
6. Consumer Electronics: Applied in high-end audio equipment for superior sound quality.
7. Automotive Systems: Used in engine control units for precise monitoring and control functions.