AD7894ARZ-2

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AD7894ARZ-2

IC ADC 14BIT SAR 8SOIC

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  • Mfr. Part #AD7894ARZ-2
  • Package
  • Datasheet
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Specifications

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

Overview

Description

The AD7894ARZ-2 is a high-speed, 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices. It is designed for low-power applications and features a sample rate of up to 1 MSPS (megasample per second). The device operates with a single +5V supply and includes an internal reference voltage.
Key features include a serial interface for easy communication with microcontrollers and digital signal processors, as well as a differential input configuration that enhances noise immunity. The AD7894ARZ-2 is suitable for a variety of applications, including industrial process control, data acquisition systems, and portable instrumentation.
Its low power consumption and high accuracy make it ideal for battery-operated devices. The device also provides a programmable gain amplifier (PGA) option, allowing users to adjust the gain for different signal levels, which enhances versatility in various measurement scenarios.
Overall, the AD7894ARZ-2 is an efficient and reliable choice for applications requiring precise analog-to-digital conversion in compact and low-power environments.

Features

The AD7894ARZ-2 is a high-speed, 16-bit analog-to-digital converter (ADC) designed for precision applications. Key features include:
1. Speed and Resolution: 16-bit resolution with a maximum conversion rate of 1 MSPS (Mega Samples Per Second).
2. Input Configuration: Configurable for single-ended or differential inputs, accommodating a wide range of analog signals.
3. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered applications.
4. Simultaneous Sampling: Supports simultaneous sampling of multiple channels, enhancing data acquisition efficiency.
5. Serial Interface: Features a high-speed SPI-compatible interface for easy communication with microcontrollers and DSPs.
6. Internal Reference: Includes an internal voltage reference, simplifying system design.
7. Built-in Calibration: Offers on-chip calibration to ensure accuracy and stability over temperature variations.
These features make the AD7894ARZ-2 ideal for applications in industrial automation, instrumentation, and medical devices requiring precise data acquisition.

Package

The AD7894ARZ-2 is packaged in a 20-lead SOIC (Small Outline Integrated Circuit) format. This package type is designed for surface mounting and is suitable for various applications requiring a compact footprint.

Pinout

The AD7894ARZ-2 is a 12-bit analog-to-digital converter (ADC) with a 28-pin TSSOP package. It features a serial interface for communication and is designed for high-speed applications.
Pin Count: 28
Key Functions:
- Power Supply Pins: VDD and VSS for power.
- Input Pins: IN+ and IN- for differential input voltage.
- Reference Pins: VREF for reference voltage input.
- Control Pins: CONVST (conversion start), SCLK (serial clock), CLK (internal clock), and several digital control signals.
- Data Output Pins: D0-D11 for the 12-bit digital output, along with an additional DOUT pin for serial data output.
- Mode Selection Pins: Options for configuring the ADC operation mode.
These functionalities make the AD7894ARZ-2 suitable for applications requiring precise and high-speed data acquisition.

Manufacturer

The AD7894ARZ-2 is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational company specializing in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, it serves various industries, including automotive, communications, healthcare, and industrial automation. The company is known for its expertise in converting real-world signals into digital data, enabling advanced applications in many electronic systems.

Application

The AD7894ARZ-2 is a 16-bit analog-to-digital converter (ADC) designed for applications requiring high precision and speed. It is commonly used in medical instrumentation, industrial process control, data acquisition systems, and digital signal processing. Additionally, it is suitable for automotive applications, instrumentation amplifiers, and any system needing accurate digital representation of analog signals.

Equivalent

The AD7894ARZ-2 is a 12-bit, 4-channel ADC. Equivalent products include:
1. MCP3204 - 12-bit, 4-channel from Microchip.
2. LTC1864 - 16-bit, 4-channel from Analog Devices.
3. ADS8320 - 16-bit, 4-channel from Texas Instruments.
4. MAX11614 - 12-bit, 8-channel from Maxim Integrated.
Always verify specifications and requirements for compatibility.

Shipping

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Shipping Fee Reference (DHL/FedEx):

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.

Payments

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