Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Bulk,Tube |
| Series | PulSAR® |
| ProductStatus | Active |
| NumberofBits | 18 |
| SamplingRate(PerSecond) | 1M |
| NumberofInputs | 1 |
| InputType | Differential |
| DataInterface | SPI, DSP |
| Configuration | S/H-ADC |
| Ratio-S/H:ADC | 1:1 |
| NumberofA/DConverters | 1 |
| Architecture | SAR |
| ReferenceType | External |
| Voltage-SupplyAnalog | 2.375V ~ 2.625V |
| Voltage-SupplyDigital | 2.375V ~ 2.625V |
| OperatingTemperature | -40°C ~ 85°C |
| Package/Case | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) |
| SupplierDevicePackage | 10-MSOP |
Tổng quan
Description
The AD7982BRMZ is a precision analog-to-digital converter (ADC) from Analog Devices. It is part of the PulSAR family of ADCs, known for their high performance and reliability. The AD7982 features a 16-bit resolution and offers a high sampling rate of up to 1 MSPS (million samples per second). Designed for ease of use, it operates from a single power supply ranging from 2.7 V to 5.5 V and is capable of consuming very low power, which makes it suitable for battery-powered applications.
The ADC uses a successive approximation register (SAR) architecture, ensuring fast and accurate data conversion. It offers excellent dynamic performance with low noise and integral nonlinearity (INL), making it ideal for precision measurement applications. It supports a serial interface, which simplifies integration with microcontrollers or digital signal processors (DSPs). The AD7982BRMZ is commonly used in applications such as data acquisition systems, medical instruments, and industrial controls, where precise and efficient data conversion is crucial. Its small form factor (MSOP-10 package) also allows for space-constrained designs.
The ADC uses a successive approximation register (SAR) architecture, ensuring fast and accurate data conversion. It offers excellent dynamic performance with low noise and integral nonlinearity (INL), making it ideal for precision measurement applications. It supports a serial interface, which simplifies integration with microcontrollers or digital signal processors (DSPs). The AD7982BRMZ is commonly used in applications such as data acquisition systems, medical instruments, and industrial controls, where precise and efficient data conversion is crucial. Its small form factor (MSOP-10 package) also allows for space-constrained designs.
Equivalent
The AD7982BRMZ is a high-performance, low-power, 18-bit SAR ADC from Analog Devices. Equivalent products might include:
1. AD7980 - Similar product with slightly different specifications.
2. ADS8881 - 18-bit SAR ADC from Texas Instruments, known for similar performance.
3. LTC2387-18 - An 18-bit SAR ADC from Analog Devices' Linear Technology brand, offering comparable features.
When selecting an equivalent, consider specific requirements like sampling rate, power consumption, and package type.
1. AD7980 - Similar product with slightly different specifications.
2. ADS8881 - 18-bit SAR ADC from Texas Instruments, known for similar performance.
3. LTC2387-18 - An 18-bit SAR ADC from Analog Devices' Linear Technology brand, offering comparable features.
When selecting an equivalent, consider specific requirements like sampling rate, power consumption, and package type.
Features
The AD7982BRMZ is a high-performance, 18-bit, 1 MSPS (Mega Samples Per Second) PulSAR ADC (Analog-to-Digital Converter) from Analog Devices. It operates with a single power supply of 2.5V and has a low power consumption of 6.5 mW at 1 MSPS. The device features a differential input range that allows for a full-scale input of ±VREF, enhancing its dynamic range and performance in precision applications.
Some key features include:
- Excellent linearity and dynamic range with an effective number of bits (ENOB) of approximately 17.6 bits.
- High signal-to-noise ratio (SNR) of 100 dB.
- Low total harmonic distortion (THD) of -120 dB.
- No pipeline delay, which facilitates real-time data acquisition.
- Serial interface SPI-compatible, simplifying connectivity with microcontrollers and DSPs.
- Small MSOP-10 and QFN-16 package options, suitable for compact designs.
These features make the AD7982BRMZ suitable for a variety of applications, including data acquisition systems, medical instruments, and precision instrumentation.
Some key features include:
- Excellent linearity and dynamic range with an effective number of bits (ENOB) of approximately 17.6 bits.
- High signal-to-noise ratio (SNR) of 100 dB.
- Low total harmonic distortion (THD) of -120 dB.
- No pipeline delay, which facilitates real-time data acquisition.
- Serial interface SPI-compatible, simplifying connectivity with microcontrollers and DSPs.
- Small MSOP-10 and QFN-16 package options, suitable for compact designs.
These features make the AD7982BRMZ suitable for a variety of applications, including data acquisition systems, medical instruments, and precision instrumentation.
Pinout
The AD7982BRMZ is an 18-bit, low power, successive approximation analog-to-digital converter (ADC) from Analog Devices. It comes in an MSOP (Mini Small Outline Package) with 10 pins.
Here are the pin functions:
1. VDD: Positive power supply.
2. GND: Ground.
3. REF: Reference voltage input.
4. IN+: Positive analog input.
5. IN-: Negative analog input.
6. SCK: Serial Clock input for SPI interface.
7. SDO: Serial Data Output for SPI interface.
8. CNV: Convert Input.
9. SDI: Serial Data Input for Daisy-Chain mode.
10. PDREF: Reference power-down (not always available in every package type).
The AD7982 is designed for applications requiring high precision and low power consumption, offering a sample rate of up to 1MSPS. It is suitable for data acquisition systems, instrumentation, and medical equipment, among other applications.
Here are the pin functions:
1. VDD: Positive power supply.
2. GND: Ground.
3. REF: Reference voltage input.
4. IN+: Positive analog input.
5. IN-: Negative analog input.
6. SCK: Serial Clock input for SPI interface.
7. SDO: Serial Data Output for SPI interface.
8. CNV: Convert Input.
9. SDI: Serial Data Input for Daisy-Chain mode.
10. PDREF: Reference power-down (not always available in every package type).
The AD7982 is designed for applications requiring high precision and low power consumption, offering a sample rate of up to 1MSPS. It is suitable for data acquisition systems, instrumentation, and medical equipment, among other applications.
Manufacturer
The AD7982BRMZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company is known for its high-performance products used in a wide range of applications, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices' offerings are particularly noted for their precision and reliability in signal processing and power management.
Application
The AD7982BRMZ is a high-performance, low-power, 18-bit, successive approximation register (SAR) analog-to-digital converter (ADC). Its application areas include precision data acquisition systems, industrial automation, instrumentation, medical devices, and test and measurement equipment. It's ideal for applications requiring high accuracy and low power consumption, such as automated test equipment, control systems, and sensor measurement systems. Its small size and excellent performance make it suitable for portable and battery-powered devices as well.
Package
The AD7982BRMZ is a precision analog-to-digital converter (ADC) produced by Analog Devices. It comes in an MSOP-10 package, which stands for Mini Small Outline Package with 10 leads. This compact package type is used to save space on circuit boards while providing reliable performance for precision measurement applications.
