ADS7946SRTER

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ADS7946SRTER

IC ADC 14BIT SAR 16WQFN

  • Manufacturer
  • Mfr. Part #ADS7946SRTER
  • Package WQFN-16
  • Datasheet
  • In Stock3426

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
NumberofBits 14
SamplingRate(PerSecond) 2M
NumberofInputs 2
InputType 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 ~ 5.25V
Voltage-SupplyDigital 1.65V ~ 5.25V
OperatingTemperature -40°C ~ 125°C
Package/Case 16-WFQFN Exposed Pad
SupplierDevicePackage 16-WQFN (3x3)

Overview

Description

The ADS7946SRTER is a 16-bit, dual-channel analog-to-digital converter (ADC) designed by Texas Instruments. It features a sampling rate of up to 1 MSPS and operates on a supply voltage of 2.7V to 5.25V. The ADC employs a low-power, successive approximation register (SAR) architecture, making it suitable for battery-operated and low-power applications.
Key features include differential input capability, internal reference voltage options, and a serial interface (SPI) for easy integration with microcontrollers and digital systems. The ADS7946 is ideal for a wide range of applications, including industrial sensors, medical devices, and portable instrumentation, where precise and efficient data acquisition is essential.
Its compact size, low power consumption, and high performance make it a popular choice for engineers looking to implement accurate and reliable data conversion in their designs. Overall, the ADS7946SRTER is a versatile ADC that balances performance with low power usage, catering to various modern electronic applications.

Features

The ADS7946SRTER is a 16-bit, low-power, successive approximation analog-to-digital converter (ADC) from Texas Instruments. Key features include:
1. Resolution: 16 bits with a maximum sampling rate of 1 MSPS.
2. Input Range: Supports a single-ended input with a voltage reference of 0 to VREF.
3. Power Consumption: Low power consumption of approximately 2.5 mW at 1 MSPS.
4. Interface: SPI-compatible interface for easy integration with microcontrollers and DSPs.
5. Operating Voltage: Wide supply voltage range from 2.7 V to 5.5 V.
6. Internal Reference: Option for internal 2.5 V reference voltage.
7. Conversion Time: Fast conversion time of 0.5 µs.
8. Temperature Range: Operates within a specified temperature range, suitable for industrial applications.
9. Package: Available in a compact VQFN package, facilitating space-constrained designs.
These features make the ADS7946SRTER ideal for applications requiring high precision and low power, such as portable instrumentation and battery-operated devices.

Package

The ADS7946SRTER is packaged in a VQFN (Very Thin Quad Flat No-lead) type package, specifically a 16-pin VQFN. This packaging offers a compact footprint and good thermal performance for efficient integration into electronic designs.

Pinout

The ADS7946SRTER is a 16-bit, successive approximation register (SAR) analog-to-digital converter (ADC) from Texas Instruments. It features a total of 16 pins.
Key pin functions include:
1. Power Pins:
- VDD: Power supply input.
- GND: Ground reference.
2. Input Pins:
- IN+ / IN-: Differential analog inputs for signal conversion.
3. Digital Interface:
- SCLK: Serial clock input for synchronous communication.
- DIN: Data input for serial data transmission.
- DOUT: Data output for serial communication.
- CS: Chip select to enable the device for serial communication.
4. Control Pins:
- RESET: Resets the ADC to a known state.
- CONVST: Converts analog signal to digital output.
5. Reference Pins:
- VREF: Reference voltage input for ADC operation.
The ADS7946SRTER is designed for applications requiring low power and high precision.

Manufacturer

The ADS7946SRTER is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of electronics, including analog and embedded processing chips, with applications in various industries such as automotive, industrial, personal electronics, and communication systems. Founded in 1930, TI is known for its innovation in analog technology and digital signal processing, contributing to advancements in numerous electronic devices. The company emphasizes research and development to enhance its product offerings and maintain a competitive edge in the semiconductor market.

Application

The ADS7946SRTER is a 16-bit, 1-MSPS analog-to-digital converter (ADC) primarily used in applications such as industrial automation, medical instrumentation, data acquisition systems, and portable measurement devices. Its high-resolution output and fast sampling rate make it suitable for precision signal processing in environments requiring accurate measurement of analog signals.

Equivalent

Equivalent products to the ADS7946SRTER include the AD7980 from Analog Devices, LTC2368 from Analog Devices, and MCP3464 from Microchip. These alternatives offer similar 16-bit resolution, multi-channel capabilities, and comparable specifications. Always verify specific application requirements and electrical characteristics to ensure compatibility.

Shipping

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