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AD7982BRMZ
+StücklisteIC ADC 18BIT SAR 10MSOP
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HerstellerAnalog Devices Inc.
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Herstellerteil #AD7982BRMZ
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Paket MSOP-10
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Auf Lager1856
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Bulk,Tube |
| Series | PulSAR® |
| Part Status | Active |
| Number of Bits | 18 |
| Sampling Rate(Per Second) | 1M |
| Number of Inputs | 1 |
| Input Type | Differential |
| Data Interface | SPI, DSP |
| Configuration | S/H-ADC |
| Ratio - S / H: ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External |
| Voltage - Supply, Analog | 2.375V ~ 2.625V |
| Voltage - Supply, Digital | 2.375V ~ 2.625V |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 10-MSOP |
Übersicht
Description
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
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
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
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.