規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Number of Bits | 14 |
| Sampling Rate(Per Second) | 2M |
| Number of Inputs | 2 |
| Input Type | Single Ended |
| Data Interface | SPI |
| Configuration | MUX-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 ~ 5.25V |
| Voltage - Supply, Digital | 1.65V ~ 5.25V |
| Operating Temperature | -40°C ~ 125°C |
| Supplier Device Package | 16-WQFN (3x3) |
概述
Description
The ADS7946SRTER is a precision analog-to-digital converter (ADC) designed by Texas Instruments. It features a 14-bit resolution with a sampling rate typically up to 2 MSPS (Mega Samples Per Second), making it suitable for high-speed data acquisition applications. The device operates from a single 2.7V to 5.5V power supply, providing flexibility for various system designs.
This ADC is part of the SAR (Successive Approximation Register) architecture, which ensures high accuracy and low power consumption. The ADS7946SRTER includes a differential input, which enhances noise rejection and improves signal integrity. It also integrates a serial interface, commonly using SPI (Serial Peripheral Interface), simplifying communication with microcontrollers and DSPs.
Ideal for use in industrial, medical, and instrumentation applications, the ADS7946SRTER offers features like a small package size (typically 10-pin VSON), low power operation, and excellent linearity. This combination makes it an excellent choice for designers looking to efficiently convert analog signals into digital data with high precision and speed.
This ADC is part of the SAR (Successive Approximation Register) architecture, which ensures high accuracy and low power consumption. The ADS7946SRTER includes a differential input, which enhances noise rejection and improves signal integrity. It also integrates a serial interface, commonly using SPI (Serial Peripheral Interface), simplifying communication with microcontrollers and DSPs.
Ideal for use in industrial, medical, and instrumentation applications, the ADS7946SRTER offers features like a small package size (typically 10-pin VSON), low power operation, and excellent linearity. This combination makes it an excellent choice for designers looking to efficiently convert analog signals into digital data with high precision and speed.
Equivalent
The ADS7946SRTER is a 14-bit, dual-channel, simultaneous sampling analog-to-digital converter (ADC) from Texas Instruments. Equivalent products to consider include the AD7266 from Analog Devices, the MCP3911 from Microchip Technology, and the LTC2358-14 from Analog Devices. These alternatives offer similar functionality in terms of resolution and channel count, though specific features and performance metrics may vary slightly, so reviewing their datasheets is recommended to ensure suitability for your application.
Features
The ADS7946SRTER is a high-performance, low-power analog-to-digital converter (ADC) from Texas Instruments, featuring the following key attributes:
1. Resolution and Speed: It offers a 14-bit resolution with a sampling rate of up to 2 MSPS (Mega Samples Per Second).
2. Input Channels: The device includes dual input channels, allowing for differential or single-ended input configurations.
3. Low Power Consumption: Designed for low power applications, it consumes minimal power, making it suitable for battery-operated devices.
4. Interface: It supports a Serial Peripheral Interface (SPI), which ensures easy integration with microcontrollers or digital signal processors.
5. Package: The ADS7946SRTER comes in a compact WQFN (Very Thin Quad Flat No-lead) package, which aids in space-saving PCB designs.
6. Operating Range: It covers a wide temperature range, typically from -40°C to 125°C, making it versatile for various environmental conditions.
7. Performance: The ADC provides excellent linearity and low noise, ensuring precise analog-to-digital conversion suitable for applications requiring high accuracy.
These features make the ADS7946SRTER ideal for applications in industrial automation, medical instrumentation, and other precision measurement systems.
1. Resolution and Speed: It offers a 14-bit resolution with a sampling rate of up to 2 MSPS (Mega Samples Per Second).
2. Input Channels: The device includes dual input channels, allowing for differential or single-ended input configurations.
3. Low Power Consumption: Designed for low power applications, it consumes minimal power, making it suitable for battery-operated devices.
4. Interface: It supports a Serial Peripheral Interface (SPI), which ensures easy integration with microcontrollers or digital signal processors.
5. Package: The ADS7946SRTER comes in a compact WQFN (Very Thin Quad Flat No-lead) package, which aids in space-saving PCB designs.
6. Operating Range: It covers a wide temperature range, typically from -40°C to 125°C, making it versatile for various environmental conditions.
7. Performance: The ADC provides excellent linearity and low noise, ensuring precise analog-to-digital conversion suitable for applications requiring high accuracy.
These features make the ADS7946SRTER ideal for applications in industrial automation, medical instrumentation, and other precision measurement systems.
Pinout
The ADS7946SRTER is a 14-bit, 2-channel, high-speed, successive approximation register (SAR) analog-to-digital converter (ADC) from Texas Instruments. It comes in a 16-pin WQFN package. Here is a brief overview of its pin count and functions:
1. Pin Count: 16 pins.
2. Key Functions:
- Analog Inputs: Two pins for differential analog inputs (INP and INM).
- Reference Inputs: Pins for reference voltage inputs, typically named VREF.
- Digital Interface: Pins for Serial Peripheral Interface (SPI) communication, including CS (Chip Select), SCLK (Serial Clock), SDI (Serial Data In), and SDO (Serial Data Out).
- Power Supply and Ground: VDD for power supply and GND for ground connection.
- Other: Pins for functions such as RESET or other control signals as specified by the manufacturer.
These pin functions enable the ADS7946SRTER to convert analog signals to digital data efficiently, suitable for a range of high-speed data acquisition applications. Always refer to the manufacturer's datasheet for detailed pin configuration and electrical characteristics.
1. Pin Count: 16 pins.
2. Key Functions:
- Analog Inputs: Two pins for differential analog inputs (INP and INM).
- Reference Inputs: Pins for reference voltage inputs, typically named VREF.
- Digital Interface: Pins for Serial Peripheral Interface (SPI) communication, including CS (Chip Select), SCLK (Serial Clock), SDI (Serial Data In), and SDO (Serial Data Out).
- Power Supply and Ground: VDD for power supply and GND for ground connection.
- Other: Pins for functions such as RESET or other control signals as specified by the manufacturer.
These pin functions enable the ADS7946SRTER to convert analog signals to digital data efficiently, suitable for a range of high-speed data acquisition applications. Always refer to the manufacturer's datasheet for detailed pin configuration and electrical characteristics.
Manufacturer
The ADS7946SRTER is manufactured by Texas Instruments. Texas Instruments is an American technology company known for designing and manufacturing semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and serves numerous industries, including consumer electronics, automotive, industrial, and communications. Texas Instruments is particularly renowned for its analog and embedded processing products, which are widely used in a variety of electronic devices and systems.
Application
The ADS7946SRTER is a high-speed, low-power successive approximation register (SAR) analog-to-digital converter (ADC) suitable for various applications. Key areas include:
1. Industrial Automation: For precise sensor data acquisition and control systems.
2. Medical Devices: Used in equipment requiring accurate signal conversion, like ECGs or portable diagnostics.
3. Communications: Suitable for baseband and IF signal processing in telecom equipment.
4. Instrumentation: Ideal for test and measurement systems demanding high-resolution data capture.
5. Consumer Electronics: Used in devices needing precise analog signal conversion, such as audio and imaging systems.
Its low power consumption and high-speed performance make it versatile for applications requiring reliable and accurate data conversion.
1. Industrial Automation: For precise sensor data acquisition and control systems.
2. Medical Devices: Used in equipment requiring accurate signal conversion, like ECGs or portable diagnostics.
3. Communications: Suitable for baseband and IF signal processing in telecom equipment.
4. Instrumentation: Ideal for test and measurement systems demanding high-resolution data capture.
5. Consumer Electronics: Used in devices needing precise analog signal conversion, such as audio and imaging systems.
Its low power consumption and high-speed performance make it versatile for applications requiring reliable and accurate data conversion.
Package
The ADS7946SRTER is packaged in a 16-pin WQFN (Wettable Flank Quad Flat No-Lead) package.
