AD7894BRZ-10

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AD7894BRZ-10

IC ADC 14BIT SAR 8SOIC

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  • Mfr. Partie #AD7894BRZ-10
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  • En stock2665

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Spécifications

Part Status Active
Number of Bits 14
Sampling Rate (Per Second) 200k
Number of Inputs 1
Input Type Single Ended
Data Interface SPI
Configuration S/H-ADC
Ratio - S/H:ADC 1:1
Number of A/D Converters 1
Architecture SAR
Reference Type External
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
Operating Temperature -40°C ~ 85°C
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Mounting Type Surface Mount
Base Product Number AD7894

Vue d'ensemble

Description

The AD7894BRZ-10 is a high-performance 16-bit analog-to-digital converter (ADC) manufactured by Analog Devices. It features a dual-channel input, allowing it to convert two analog signals simultaneously, making it suitable for applications requiring precise measurements, such as industrial automation, medical devices, and data acquisition systems.
Key specifications include a maximum sampling rate of 1 MSPS (mega samples per second), low power consumption, and an input voltage range typically from 0 to 5V. The device employs a successive approximation register (SAR) architecture, ensuring high accuracy and low latency.
The AD7894BRZ-10 also includes a serial interface for easy integration with microcontrollers and digital signal processors. Its built-in features like internal reference voltage and programmable gain amplifier enhance flexibility and performance in various applications.
Overall, the AD7894BRZ-10 is ideal for engineers seeking reliable and efficient data conversion solutions in demanding environments.

Features

The AD7894BRZ-10 is a high-speed, 16-bit analog-to-digital converter (ADC) designed for precision applications. Key features include:
1. Sampling Rate: Supports up to 1 MSPS (million samples per second).
2. Resolution: 16-bit resolution allows for high accuracy in signal conversion.
3. Input Range: Configurable input ranges, accommodating both unipolar and bipolar signals.
4. Low Power: Operates on low supply voltages, typically 5V, with low power consumption.
5. Internal Reference: Includes an internal voltage reference for ease of use.
6. Parallel/Serial Interface: Offers both parallel and serial (SPI-compatible) digital output options for flexible integration.
7. Differential Inputs: Supports differential input configuration, improving noise immunity.
8. Temperature Range: Operates over a wide temperature range, making it suitable for various environments.
These features make the AD7894BRZ-10 ideal for applications in industrial control, data acquisition systems, and medical instrumentation.

Package

The AD7894BRZ-10 is packaged in a 28-lead TSSOP (Thin Shrink Small Outline Package). This compact form factor is designed for efficient space utilization on circuit boards.

Pinout

The AD7894BRZ-10 is a 14-bit Analog-to-Digital Converter (ADC) with a pin count of 28.
Pin Functions:
1. Power Supply Pins:
- AVDD, DVDD: Power supply inputs for analog and digital sections.
- AGND, DGND: Ground references for analog and digital sections.
2. Analog Input Pins:
- VIN+: Positive analog input.
- VIN-: Negative analog input.
3. Digital Interface Pins:
- DB0-DB13: Data output pins (14 bits).
- CS: Chip Select input for enabling the device.
- RD: Read input to start data transfer.
- WR: Write input for configuration.
- CLK: Clock input for timing.
4. Control Pins:
- REF: Reference voltage input for ADC operation.
- CONVST: Conversion start input.
5. Additional Connection Pins:
- ALRT: Alert output for signaling conditions.
The device is designed for applications requiring high-speed data acquisition and precision measurement.

Manufacturer

The AD7894BRZ-10 is manufactured by Analog Devices, Inc. Analog Devices is a global leader in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company focuses on a wide range of applications, including industrial automation, automotive, healthcare, communications, and consumer electronics. Their products are known for precision, efficiency, and innovation, catering to the needs of engineers and developers in various sectors.

Application

The AD7894BRZ-10 is a high-speed, 12-bit analog-to-digital converter (ADC) suitable for various applications, including data acquisition systems, industrial process control, instrumentation, and medical devices. It is particularly useful in systems requiring precise measurement of analog signals, such as audio processing, sensor interfacing, and automotive applications. Its fast conversion rates and low power consumption make it ideal for portable and embedded systems.

Equivalent

The AD7894BRZ-10 is a 12-bit analog-to-digital converter (ADC) from Analog Devices. Equivalent products include the following:
1. MAX1240 - Maxim Integrated
2. LTC1864 - Analog Devices
3. MCP3204 - Microchip Technology
4. ADC128S052 - Texas Instruments
When selecting an equivalent, consider specifications such as resolution, sample rate, and interface compatibility. Always verify specific requirements for your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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