ADS7947SRTER

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ADS7947SRTER

IC ADC 12BIT SAR 16WQFN

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  • Mfr. Part #ADS7947SRTER
  • Package
  • Datasheet
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Specifications

Part Status Active
Base Product Number ADS7947
Number of Bits 12
Sampling Rate (Per Second) 2M
Number of Inputs 2
Input Type Pseudo-Differential
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
Package 16-WFQFN Exposed Pad
Supplier Device Package 16-WQFN (3x3)
Mounting Type Surface Mount
Packaging Cut Tape (CT), Tape & Reel (TR)

Overview

Description

The ADS7947SRTER is a high-resolution, low-power, 16-bit Analog-to-Digital Converter (ADC) from Texas Instruments, designed for precision applications. It features a 4-channel multiplexed input and operates with a supply voltage range of 2.7V to 5.5V, making it suitable for battery-operated devices. The ADC supports a sampling rate of up to 1 MSPS (mega samples per second), providing efficient data conversion for various applications such as industrial process control, medical instrumentation, and portable electronics.
Key features include an integrated reference, programmable gain amplifier (PGA), and a serial interface (SPI), allowing for easy integration with microcontrollers and digital signal processors. The device also incorporates low-noise performance and low power consumption, which are critical for maintaining signal integrity in noisy environments.
Overall, the ADS7947SRTER is ideal for applications requiring high accuracy and fast data acquisition in compact form factors.

Features

The ADS7947SRTER is a 16-bit, 4-channel analog-to-digital converter (ADC) from Texas Instruments. Key features include:
1. Resolution: 16-bit with high precision.
2. Sampling Rate: Up to 1 MSPS (mega-sample per second).
3. Input Range: Supports a wide input voltage range, typically 0 to VREF.
4. Architecture: Delta-sigma architecture for improved noise performance.
5. Interface: SPI-compatible digital interface for easy communication with microcontrollers.
6. Power Supply: Operates with a single 2.7V to 5.5V power supply.
7. Power Consumption: Low power consumption, enhancing battery life in portable applications.
8. Internal Reference: Integrated voltage reference to simplify design.
9. Digital Filtering: Built-in digital filters for noise reduction.
10. Temperature Range: Industrial temperature range (-40°C to +125°C).
These features make the ADS7947SRTER suitable for applications in industrial, automotive, and medical instrumentation.

Package

The ADS7947SRTER is packaged in a VQFN (Very Thin Quad Flat No-lead) format, specifically a 16-pin VQFN (3mm x 3mm) package. This type offers a compact footprint and efficient thermal performance, suitable for space-constrained applications.

Pinout

The ADS7947SRTER is a 16-bit, 4-channel analog-to-digital converter (ADC) from Texas Instruments. It features a total of 20 pins.
Pin Functions:
1. Power Supply Pins: VDD (Power supply) and GND (Ground).
2. Input Channels: CH0 to CH3 (analog input channels).
3. Data Interface Pins:
- SDI (Serial Data Input)
- SDO (Serial Data Output)
- SCLK (Serial Clock)
- CS (Chip Select)
4. Control Pins:
- CONVST (Convert Start)
- REF (Reference Voltage)
5. Miscellaneous:
- GPIO (General-purpose I/O pins for additional control or configuration).
The ADS7947 utilizes a serial interface for communication, supporting both SPI and QSPI protocols, making it suitable for various applications requiring high-performance data acquisition.

Manufacturer

The ADS7947SRTER is manufactured by Texas Instruments (TI), a leading American technology company. Founded in 1930, Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, including analog devices, digital signal processors, and microcontrollers. The company is known for its innovations in electronics and plays a significant role in various industries, including communications, automotive, industrial, and consumer electronics. Texas Instruments is particularly recognized for its expertise in analog and embedded processing, making it a key player in the semiconductor market.

Application

The ADS7947SRTER is a 16-bit, low-power, multi-channel analog-to-digital converter (ADC) used in various applications, including industrial process control, medical instrumentation, portable devices, battery management systems, and sensor data acquisition. Its features make it suitable for high-precision measurements in environments requiring low power consumption and high accuracy.

Equivalent

The ADS7947SRTER is a 14-bit, 1 MSPS, quad-channel analog-to-digital converter (ADC). Equivalent products include the AD7980 from Analog Devices, LTC2365 from Analog Devices, and MCP3424 from Microchip. Each of these alternatives offers similar resolution and sampling rates, but specific features may vary, such as input channels and interface options. Always check datasheets for detailed specifications and compatibility.

Shipping

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DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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