사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| NumberofBits | 12 |
| SamplingRate(PerSecond) | 200k |
| NumberofInputs | 4, 8 |
| InputType | Differential, Single Ended |
| DataInterface | SPI |
| Configuration | MUX-S/H-ADC |
| Ratio-S/H:ADC | 1:1 |
| NumberofA/DConverters | 1 |
| Architecture | SAR |
| ReferenceType | External |
| Voltage-SupplyAnalog | 2.7V ~ 3.6V, 5V |
| Voltage-SupplyDigital | 2.7V ~ 3.6V, 5V |
| OperatingTemperature | -40°C ~ 85°C |
| Package/Case | 20-SSOP (0.154, 3.90mm Width) |
| SupplierDevicePackage | 20-SSOP |
개요
Description
The ADS7844E/2K5 is a 12-bit, 8-channel analog-to-digital converter (ADC) designed by Texas Instruments. It operates with a serial interface, making it suitable for applications requiring data acquisition from multiple channels. The device is part of the ADS7844 family and is known for its low power consumption and compact design, ideal for portable and battery-operated devices.
Key features include a sampling rate of up to 200 kSPS, a wide operating voltage range typically from 2.7V to 5.25V, and the ability to interface with microcontrollers through SPI-compatible protocols. The ADS7844E/2K5 also offers differential and single-ended input configurations, which provide flexibility in handling various sensor outputs.
The device's precision and reliability make it suitable for applications such as industrial automation, medical instruments, and consumer electronics. Its package options and ease of integration further enhance its applicability in diverse environments. Overall, the ADS7844E/2K5 is valued for its robustness and efficiency in multi-channel data acquisition systems.
Key features include a sampling rate of up to 200 kSPS, a wide operating voltage range typically from 2.7V to 5.25V, and the ability to interface with microcontrollers through SPI-compatible protocols. The ADS7844E/2K5 also offers differential and single-ended input configurations, which provide flexibility in handling various sensor outputs.
The device's precision and reliability make it suitable for applications such as industrial automation, medical instruments, and consumer electronics. Its package options and ease of integration further enhance its applicability in diverse environments. Overall, the ADS7844E/2K5 is valued for its robustness and efficiency in multi-channel data acquisition systems.
Equivalent
The ADS7844E/2K5 is a 12-bit, 4-channel analog-to-digital converter (ADC) from Texas Instruments. Equivalent products include the MCP3204 from Microchip Technology, which offers a similar 12-bit resolution and 4-channel input. Another alternative is the AD7490 from Analog Devices, which provides a 12-bit, 4-channel ADC functionality. When selecting an equivalent, consider factors like pin compatibility, voltage range, and package type to ensure it meets your specific requirements.
Features
The ADS7844E/2K5 is a precision 12-bit analog-to-digital converter (ADC) featuring the following key characteristics:
1. Resolution and Channels: It offers a resolution of 12 bits with 4 differential or 8 single-ended input channels, allowing flexibility in measurement configurations.
2. Sampling Rate: The ADC supports a maximum sampling rate of 200 kSPS, suitable for high-speed data acquisition applications.
3. Input Range: The input voltage range is typically from 0V to VREF, accommodating a variety of input signal levels.
4. Power Supply: It operates on a single supply voltage range of 2.7V to 5.25V, making it versatile for different power environments.
5. Interface: The device communicates via a serial interface, compatible with SPI, QSPI, and Microwire protocols, simplifying integration with microcontrollers and DSPs.
6. Power Consumption: It features low power consumption, ideal for portable or battery-powered devices.
7. Package: Available in a compact TSSOP package, facilitating space-saving designs.
These features make the ADS7844E/2K5 suitable for applications requiring reliable, high-speed, and precise analog-to-digital conversion.
1. Resolution and Channels: It offers a resolution of 12 bits with 4 differential or 8 single-ended input channels, allowing flexibility in measurement configurations.
2. Sampling Rate: The ADC supports a maximum sampling rate of 200 kSPS, suitable for high-speed data acquisition applications.
3. Input Range: The input voltage range is typically from 0V to VREF, accommodating a variety of input signal levels.
4. Power Supply: It operates on a single supply voltage range of 2.7V to 5.25V, making it versatile for different power environments.
5. Interface: The device communicates via a serial interface, compatible with SPI, QSPI, and Microwire protocols, simplifying integration with microcontrollers and DSPs.
6. Power Consumption: It features low power consumption, ideal for portable or battery-powered devices.
7. Package: Available in a compact TSSOP package, facilitating space-saving designs.
These features make the ADS7844E/2K5 suitable for applications requiring reliable, high-speed, and precise analog-to-digital conversion.
Pinout
The ADS7844E/2K5 is a 16-pin integrated circuit designed for analog-to-digital conversion. It features a 12-bit, 8-channel, low-power, successive approximation register (SAR) architecture.
Pin Count and Functions:
1. VCC: Power supply.
2. GND: Ground.
3. CH0-CH7: Analog input channels (total of 8 channels).
4. REF: Reference voltage input.
5. DOUT: Serial data output.
6. DIN: Serial data input.
7. CS: Chip select, active low.
8. SCLK: Serial clock input.
9. BUSY: Indicates conversion status.
These pins allow the ADS7844E/2K5 to interface with microcontrollers or digital signal processors for applications such as data acquisition systems, industrial process control, and automotive systems. The device operates with a low power consumption, making it suitable for battery-operated applications.
Pin Count and Functions:
1. VCC: Power supply.
2. GND: Ground.
3. CH0-CH7: Analog input channels (total of 8 channels).
4. REF: Reference voltage input.
5. DOUT: Serial data output.
6. DIN: Serial data input.
7. CS: Chip select, active low.
8. SCLK: Serial clock input.
9. BUSY: Indicates conversion status.
These pins allow the ADS7844E/2K5 to interface with microcontrollers or digital signal processors for applications such as data acquisition systems, industrial process control, and automotive systems. The device operates with a low power consumption, making it suitable for battery-operated applications.
Manufacturer
The ADS7844E/2K5 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a broad range of analog and embedded processing chips. Founded in 1930 and headquartered in Dallas, Texas, TI is a major player in the electronics industry, known for innovation in analog circuits, digital signal processing, and microcontrollers. TI's products are used in various applications across industrial, automotive, personal electronics, communications, and enterprise systems.
Application
The ADS7844E/2K5 is a 12-bit, 4-channel analog-to-digital converter (ADC) that is commonly used in various application areas due to its precision and reliability. Key application areas include:
1. Industrial Automation: For monitoring and controlling industrial processes.
2. Medical Equipment: Used in devices requiring precise data acquisition, such as patient monitoring systems.
3. Consumer Electronics: Employed in devices that require analog input handling.
4. Data Acquisition Systems: Essential in systems needing accurate digital representation of analog signals.
5. Automotive Systems: Utilized in engine control units and sensor interfacing.
These applications benefit from its low power consumption, small size, and high accuracy.
1. Industrial Automation: For monitoring and controlling industrial processes.
2. Medical Equipment: Used in devices requiring precise data acquisition, such as patient monitoring systems.
3. Consumer Electronics: Employed in devices that require analog input handling.
4. Data Acquisition Systems: Essential in systems needing accurate digital representation of analog signals.
5. Automotive Systems: Utilized in engine control units and sensor interfacing.
These applications benefit from its low power consumption, small size, and high accuracy.
Package
The ADS7844E/2K5 is a 16-pin TSSOP (Thin Shrink Small Outline Package) type.
