사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Number of Bits | 16 |
| Sampling Rate(Per Second) | 2k |
| Number of Inputs | 4, 7 |
| Input Type | Differential, Single Ended |
| Data Interface | SPI |
| Configuration | MUX-PGA-ADC |
| Number of A/D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 2.7V ~ 5.25V |
| Voltage - Supply, Digital | 2.7V ~ 5.25V |
| Features | PGA |
| Operating Temperature | -40°C ~ 105°C |
| Supplier Device Package | 28-TSSOP |
개요
Description
The ADS1148IPWR is a precision, low-noise, 16-bit analog-to-digital converter (ADC) from Texas Instruments, designed for high-resolution measurement applications. Part of the ADS1148 family, this ADC features an integrated multiplexer, a programmable gain amplifier, and a precision voltage reference. It supports data rates up to 2 kSPS and offers excellent noise performance, making it suitable for applications such as temperature sensors, pressure sensors, and other sensor interfaces.
The device operates over a wide supply range and features a low power consumption mode, enhancing its suitability for battery-powered applications. It supports both single-ended and differential inputs, providing flexibility in interfacing with various sensors. The ADS1148IPWR communicates through an SPI-compatible interface, which simplifies integration with microcontrollers or digital signal processors.
Encased in a TSSOP package, the ADS1148IPWR is designed for easy handling and integration into compact designs. It also includes features like burnout current sources for sensor diagnostics and system monitoring, making it a versatile component for precision measurement systems.
The device operates over a wide supply range and features a low power consumption mode, enhancing its suitability for battery-powered applications. It supports both single-ended and differential inputs, providing flexibility in interfacing with various sensors. The ADS1148IPWR communicates through an SPI-compatible interface, which simplifies integration with microcontrollers or digital signal processors.
Encased in a TSSOP package, the ADS1148IPWR is designed for easy handling and integration into compact designs. It also includes features like burnout current sources for sensor diagnostics and system monitoring, making it a versatile component for precision measurement systems.
Equivalent
The ADS1148IPWR is a precision, 16-bit ADC (Analog-to-Digital Converter) from Texas Instruments. Equivalent products include:
1. AD7798 from Analog Devices: An ultra-low power, 16-bit ADC with similar performance.
2. MCP3421 from Microchip Technology: A 18-bit ADC with built-in amplifier.
3. LTC2485 from Analog Devices (formerly Linear Technology): A 16-bit, low power ADC with easy-to-use interface.
These alternatives offer similar functionalities, but specific applications may require careful consideration of additional features or specifications.
1. AD7798 from Analog Devices: An ultra-low power, 16-bit ADC with similar performance.
2. MCP3421 from Microchip Technology: A 18-bit ADC with built-in amplifier.
3. LTC2485 from Analog Devices (formerly Linear Technology): A 16-bit, low power ADC with easy-to-use interface.
These alternatives offer similar functionalities, but specific applications may require careful consideration of additional features or specifications.
Features
The ADS1148IPWR is a precision analog-to-digital converter (ADC) from Texas Instruments, designed for applications requiring high accuracy and low noise. Key features of the ADS1148IPWR include:
1. Resolution: 16-bit ADC for precise measurement.
2. Channels: 8 input channels, allowing for multiple sensor connections.
3. Data Rate: Supports data rates from 5 SPS to 2 kSPS, providing flexibility in response time and resolution.
4. Reference: Integrates a low-drift voltage reference for stable and accurate measurements.
5. Low Noise: Offers low noise performance, enhancing measurement precision.
6. Multiplexer: Includes a built-in multiplexer to easily switch between different inputs.
7. Temperature Sensor: Features an internal temperature sensor for system monitoring.
8. Power Supply: Operates on a single 5V power supply, simplifying system design.
9. Interface: SPI-compatible interface for easy integration with microcontrollers.
10. Package: Available in a TSSOP-28 package, making it suitable for space-constrained applications.
These features make the ADS1148IPWR suitable for precision measurement applications like industrial process controls, medical instrumentation, and portable instrumentation.
1. Resolution: 16-bit ADC for precise measurement.
2. Channels: 8 input channels, allowing for multiple sensor connections.
3. Data Rate: Supports data rates from 5 SPS to 2 kSPS, providing flexibility in response time and resolution.
4. Reference: Integrates a low-drift voltage reference for stable and accurate measurements.
5. Low Noise: Offers low noise performance, enhancing measurement precision.
6. Multiplexer: Includes a built-in multiplexer to easily switch between different inputs.
7. Temperature Sensor: Features an internal temperature sensor for system monitoring.
8. Power Supply: Operates on a single 5V power supply, simplifying system design.
9. Interface: SPI-compatible interface for easy integration with microcontrollers.
10. Package: Available in a TSSOP-28 package, making it suitable for space-constrained applications.
These features make the ADS1148IPWR suitable for precision measurement applications like industrial process controls, medical instrumentation, and portable instrumentation.
Pinout
The ADS1148IPWR is a 16-bit, low-noise, delta-sigma analog-to-digital converter (ADC) from Texas Instruments, designed for precision measurement applications. It is part of the ADS1148 series, which offers several features suitable for data acquisition systems.
The ADS1148IPWR comes in a 20-pin TSSOP package. Its pin functions include:
1. AIN0 - AIN7: Analog input channels for differential or single-ended inputs.
2. REFP/REFN: Positive and negative reference input pins.
3. AVDD/AVSS: Analog supply voltage and ground.
4. DVDD/DGND: Digital supply voltage and ground.
5. SCLK: Serial clock input for SPI communication.
6. DIN: Data input for SPI communication.
7. DOUT/DRDY: Data output pin and Data Ready signal.
8. /CS: Chip select for SPI communication.
9. RESET: Reset pin to initialize the device.
10. START: Start conversion input.
11. PWDN: Power-down mode pin.
These pins are configured to facilitate both the power supply and the communication interface, enabling the ADS1148IPWR to operate effectively in various sensing and measurement environments.
The ADS1148IPWR comes in a 20-pin TSSOP package. Its pin functions include:
1. AIN0 - AIN7: Analog input channels for differential or single-ended inputs.
2. REFP/REFN: Positive and negative reference input pins.
3. AVDD/AVSS: Analog supply voltage and ground.
4. DVDD/DGND: Digital supply voltage and ground.
5. SCLK: Serial clock input for SPI communication.
6. DIN: Data input for SPI communication.
7. DOUT/DRDY: Data output pin and Data Ready signal.
8. /CS: Chip select for SPI communication.
9. RESET: Reset pin to initialize the device.
10. START: Start conversion input.
11. PWDN: Power-down mode pin.
These pins are configured to facilitate both the power supply and the communication interface, enabling the ADS1148IPWR to operate effectively in various sensing and measurement environments.
Manufacturer
The ADS1148IPWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of products including analog and embedded processing chips. TI is known for its innovation in semiconductor technologies, and its products are used in various industries, including automotive, industrial, consumer electronics, and communications. The company is headquartered in Dallas, Texas, and has a strong presence in the global market.
Application
The ADS1148IPWR is a 16-bit, low-noise, programmable gain analog-to-digital converter (ADC) suitable for various application areas. It is commonly used in industrial and instrumentation applications that require precise data acquisition. Key areas include temperature measurement systems (e.g., RTDs and thermocouples), pressure sensing, strain gauge transducers, and weight scales. Its capability to handle low-level signals makes it ideal for medical devices, such as patient monitoring equipment, and environmental monitoring systems. Additionally, it is used in portable and battery-operated devices due to its low power consumption. The ADC's flexibility, precision, and integrated features make it suitable for any application that demands high-resolution and accurate analog-to-digital conversion.
Package
The ADS1148IPWR is packaged in a TSSOP-20 (Thin Shrink Small Outline Package with 20 pins).