AD7685ARMZ

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AD7685ARMZ

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IC ADC 16BIT SAR 10MSOP

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Thông số kỹ thuật

thuộc tính Giá trị
Package Bulk,Tube
Series PulSAR®
ProductStatus Active
NumberofBits 16
SamplingRate(PerSecond) 250k
NumberofInputs 1
InputType Pseudo-Differential
DataInterface SPI, DSP
Configuration S/H-ADC
Ratio-S/H:ADC 1:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External
Voltage-SupplyAnalog 2.3V ~ 5.5V
Voltage-SupplyDigital 2.3V ~ 5.5V
OperatingTemperature -40°C ~ 85°C
Package/Case 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
SupplierDevicePackage 10-MSOP

Tổng quan

Description

The AD7685ARMZ is a precision analog-to-digital converter (ADC) manufactured by Analog Devices. It is part of the PulSAR® family and features a 16-bit resolution with a 250 kSPS sampling rate, making it suitable for high-accuracy data acquisition systems. The AD7685 operates on a 2.7V to 5.5V power supply and typically consumes only 1.3 mW of power, which is ideal for low-power applications.
This ADC uses a successive approximation register (SAR) architecture, ensuring fast and accurate data conversion. It offers a differential analog input with a wide dynamic range, enhancing performance in various applications. The AD7685 communicates through a serial interface, compatible with SPI, MICROWIRE, and DSP standards, facilitating easy integration with microcontrollers.
The device is housed in a compact MSOP (Mini Small Outline Package), making it suitable for space-constrained applications. Its robust performance and low power consumption make it perfect for precision instrumentation, industrial process control, and portable medical equipment. Overall, the AD7685ARMZ is valued for its high precision, power efficiency, and compact size.

Equivalent

The AD7685ARMZ is a precision 16-bit, 250 kSPS PulSAR ADC from Analog Devices. Equivalent products include the LTC1864 from Analog Devices (formerly Linear Technology), the MAX11100 from Maxim Integrated, and the MCP3461 from Microchip Technology. Each of these offers similar resolution and sampling speed with varying features and specifications, suitable for applications requiring precision low-power data conversion. Always check datasheets for detailed specifications and compatibility to ensure proper substitution.

Features

The AD7685ARMZ is a precision 16-bit analog-to-digital converter (ADC) from Analog Devices. Key features include:
1. Resolution: 16-bit resolution.
2. Throughput Rate: Up to 250 kSPS (kilo-samples per second).
3. Accuracy: Low power with a high accuracy of ±1 LSB (least significant bit) INL (integral nonlinearity).
4. Power Supply: Operates on a single 2.3V to 5.5V power supply.
5. Power Consumption: Extremely low, approximately 3.6 mW at 5 V.
6. Temperature Range: Supports a wide operating temperature range from -40°C to +85°C.
7. Input Type: Provides a true differential analog input range.
8. Interface: SPI-compatible serial interface.
9. Package: Available in a 10-lead MSOP.
10. Compact Size: Its small package makes it ideal for space-constrained applications.
These features make the AD7685ARMZ suitable for applications requiring precise and fast data conversion, such as industrial process control, medical instruments, and data acquisition systems.

Pinout

The AD7685ARMZ is an Analog Devices precision, 16-bit, successive approximation register (SAR) analog-to-digital converter (ADC). It is housed in an MSOP-10 package, which comprises 10 pins. Here's a brief overview of its pin functions:
1. VDD: Power supply pin.
2. GND: Ground reference pin.
3. REF: Reference voltage input pin.
4. IN+: Positive analog input.
5. IN-: Negative analog input.
6. SDI: Serial Data Input for configuration purposes.
7. SCK: Serial Clock input for synchronizing data communication.
8. CNV: Convert input, which initiates a conversion process.
9. SDO: Serial Data Output, which transmits the conversion result.
10. PDREF: Lowers the power dissipation when using an external reference.
The AD7685's main function is to convert an analog signal into a digital output with high accuracy and precision, suitable for various applications in data acquisition, instrumentation, and industrial control systems.

Manufacturer

The AD7685ARMZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing integrated circuits used in electronic equipment. The company is well-known for its high-performance analog, mixed-signal, and digital signal processing technologies, which are used in a wide range of applications across various industries, including industrial, automotive, communication, consumer, and healthcare sectors.

Application

The AD7685ARMZ is a high-performance, low-power 16-bit analog-to-digital converter (ADC) with a 250 kSPS sampling rate. It is commonly used in precision data acquisition systems, industrial automation, and instrumentation. Other application areas include medical equipment, where accurate and reliable data conversion is essential, as well as portable and battery-powered devices due to its low power consumption. The AD7685ARMZ is also used in communication systems for signal processing and in automotive applications for sensor interfacing, thanks to its high resolution and compact package. Its low noise and high accuracy make it suitable for any application requiring precise digital representation of analog signals.

Package

The AD7685ARMZ is packaged in a 10-lead MSOP (Micro Small Outline Package). This type of package is compact, suitable for surface-mount technology, and used to house the precision analog-to-digital converter within the AD7685 series.

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