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ADS7946SRTER
+Lista de MateriaisIC ADC 14BIT SAR 16WQFN
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FabricanteTexas Instruments
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Peça do Fabricante #ADS7946SRTER
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Pacote WQFN-16
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Especificações
| Atributo | Valor |
| 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) |
Visão Geral
Description
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
Features
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
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
Application
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.