ADS8344EB

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ADS8344EB

+Nomenclature

IC ADC 16BIT SAR 20SSOP

  • FabricantTexas Instruments

  • Pièce fabricant #ADS8344EB

  • En stock6770

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Spécifications

Attribut Valeur
PartStatus Active
BaseProductNumber ADS8344
NumberofBits 16
SamplingRate(PerSecond) 100k
NumberofInputs 4, 8
InputType Differential, Single Ended
DataInterface SPI
Configuration S/H-ADC
Ratio-S/H:ADC 1:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External
Voltage-Supply,Analog 2.7V ~ 3.6V, 5V
Voltage-Supply,Digital 2.7V ~ 3.6V, 5V
OperatingTemperature -40°C ~ 85°C
Package 20-SSOP (0.154", 3.90mm Width)
SupplierDevicePackage 20-SSOP
MountingType Surface Mount
Packaging Bulk, Tube

Présentation

Description

The ADS8344EB is an evaluation board for the ADS8344, a 16-bit, 4-channel, successive approximation register (SAR) analog-to-digital converter (ADC) from Texas Instruments.
### Key Features:
- 16-bit resolution with ±1 LSB accuracy.
- 4 single-ended or 2 differential input channels.
- 100 kSPS sampling rate.
- SPI-compatible serial interface for easy microcontroller interfacing.
- Onboard voltage reference (2.5V) and low-noise analog front-end.
### Purpose:
The ADS8344EB simplifies ADC evaluation, providing a ready-to-use platform for testing performance, signal conditioning, and interfacing with microcontrollers. It includes test points, jumpers for configuration, and supports both single-ended and differential input modes.
### Applications:
- Data acquisition systems
- Industrial sensors
- Medical instrumentation
- Battery monitoring
The board is ideal for quick prototyping and verifying ADC performance in real-world conditions.

Equivalent

Equivalent products to the ADS8344EB, a 16-bit, 8-channel analog-to-digital converter (ADC) from Texas Instruments, include:
1. AD7680 by Analog Devices – 16-bit, 8-channel ADC.
2. MCP3208 by Microchip Technology – 12-bit, 8-channel ADC (lower resolution).
3. ADS7844 by Texas Instruments – 12-bit, 8-channel ADC (lower resolution).
4. MAX11619 by Maxim Integrated – 16-bit, 8-channel ADC.
Make sure to confirm electrical and performance characteristics for specific application requirements.

Features

The ADS8344EB is a precision 16-bit analog-to-digital converter (ADC) featuring the following key specifications:
1. Resolution: 16 bits, ensuring high precision in digital representation of analog inputs.
2. Input channels: 8 single-ended or 4 differential input channels, offering flexibility in signal connection.
3. Sampling Rate: Up to 100 kSPS (kilo-samples per second), suitable for moderate-speed data acquisition.
4. Interface: Serial SPI-compatible interface, simplifying integration with microcontrollers and digital systems.
5. Input Range: 0 to VREF, accommodating a variety of input signal levels.
6. Reference Voltage: External reference up to 5V, allowing customization of full-scale range.
7. Power Supply: Operates with a 2.7V to 5.5V supply, providing versatility for low-power applications.
8. Low Power Consumption: Ideal for battery-powered and portable devices.
9. Package: Available in a compact SSOP-20 package, facilitating space-constrained designs.
The ADS8344EB is well-suited for applications requiring precise analog-to-digital conversion, such as industrial control, instrumentation, and data acquisition systems.

Pinout

The ADS8344EB is a 16-pin device, specifically a 16-bit, 4-channel analog-to-digital converter (ADC) produced by Texas Instruments. Here's a concise overview of its pin count and functions:
1. Pins 1-4 (CH0-CH3): These are the analog input channels. The ADS8344EB can accept four single-ended inputs or two differential inputs.
2. Pin 5 (REF+): Positive reference voltage input.
3. Pin 6 (REF-): Negative reference voltage input.
4. Pin 7 (COM): Common pin, typically connected to ground.
5. Pin 8 (VCC): Power supply pin.
6. Pin 9 (DOUT): Serial data output.
7. Pin 10 (DIN): Serial data input.
8. Pin 11 (CS/SHDN): Chip select/shutdown input.
9. Pin 12 (DCLK): Serial clock input.
10. Pin 13 (BUSY): Busy output, indicates conversion status.
11. Pin 14 (GND): Ground pin.
12. Pin 15 (VREF-): Negative reference voltage input.
13. Pin 16 (VREF+): Positive reference voltage input.
This ADC is commonly used in applications requiring precision analog signal conversion, such as in industrial control and measurement systems.

Manufacturer

The ADS8344EB is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including analog and embedded processing chips. TI is known for its innovation in developing integrated circuits that power various electronic devices in sectors such as automotive, consumer electronics, industrial equipment, and communications. The company is headquartered in Dallas, Texas, and is one of the largest semiconductor manufacturers in the world, with a strong focus on research and development to drive technological advancement.

Application

The ADS8344EB is a high-resolution, 16-bit analog-to-digital converter (ADC) with multiple applications. Key areas include data acquisition systems, where high precision and accuracy are essential. It's also used in industrial process controls for monitoring and managing complex processes. Medical instrumentation benefits from its ability to deliver reliable and precise measurements. The device is suitable for portable and battery-operated equipment due to its low power consumption. Additionally, the ADS8344EB finds applications in communication systems and test and measurement equipment, where accurate data conversion is crucial. Its versatility and precision make it an ideal choice for any application requiring high-resolution analog-to-digital conversion.

Package

The ADS8344EB comes in a TSSOP-20 (Thin Shrink Small Outline Package) package. This surface-mount package is compact, measuring 6.5mm x 4.4mm, and is suitable for space-constrained applications. It features 20 pins with a lead pitch of 0.65mm, ensuring reliable performance for high-precision analog-to-digital conversion.

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