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AD7946BRMZ
+BOMIC ADC 14BIT SAR 10MSOP
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メーカーテキサス・インスツルメンツ
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メーカー品番 #AD7946BRMZ
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データシート AD7946BRMZ DataSheet
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パッケージ MSOP-10
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在庫状況3719
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package / Case | Bulk,Tube |
| Series | PulSAR® |
| Part Status | Active |
| Number of Bits | 14 |
| Sampling Rate(Per Second) | 500k |
| Number of Inputs | 1 |
| Input Type | Pseudo-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 | 5V |
| Voltage - Supply, Digital | 5V |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 10-MSOP |
概要
Description
Key features of the AD7946BRMZ include low power consumption, with a typical operating current of 1.3 mA and a standby current of 1 µA, making it suitable for battery-powered applications. It has a serial interface, compatible with SPI, QSPI, and MICROWIRE standards, which facilitates easy connection to microcontrollers and DSPs.
The device operates over a wide temperature range, from -40°C to +85°C, and comes in a compact 10-lead MSOP package, optimizing space in circuit designs. With its high accuracy, fast conversion speed, and low power usage, the AD7946BRMZ is ideal for data acquisition systems, industrial controls, and medical instruments.
Equivalent
Features
1. Resolution and Speed: Offers 14-bit resolution with a sampling rate of up to 250 kSPS, providing accurate and fast data conversion.
2. Input Range: Supports a wide input voltage range from 0 to VREF, making it versatile for various applications.
3. Low Power Consumption: Designed for low power applications, it operates efficiently with a power dissipation of approximately 3mW at full speed.
4. Serial Interface: Utilizes a SPI-compatible serial interface, allowing easy integration with microcontrollers and digital signal processors (DSPs).
5. Small Package: Available in a compact MSOP-10 package, suitable for space-constrained applications.
6. High Performance: Features a signal-to-noise ratio (SNR) of around 85 dB, ensuring high accuracy and fidelity in signal conversion.
7. Reference Voltage: Internal reference provides stable operation, with the option to use an external reference for greater design flexibility.
These features make the AD7946BRMZ suitable for precision measurement and data acquisition systems in industrial, automotive, and instrumentation applications.
Pinout
- Pin Count: 10 pins
- Functions:
- VDD: Power supply pin.
- GND: Ground reference.
- VREF: Reference voltage input.
- IN+ / IN-: Differential analog input pins.
- SDI: Serial data input.
- SDO: Serial data output.
- SCK: Serial clock input.
- CNV: Convert input for initiating conversions.
- BUSY: Indicates conversion status.
The AD7946BRMZ is designed for high performance in a compact form factor, suitable for applications needing accurate and fast digital conversion from analog signals.
Manufacturer
Application
1. Industrial Automation: For precise control and monitoring systems.
2. Data Acquisition Systems: In scientific and engineering measurements.
3. Medical Devices: Such as diagnostic imaging equipment.
4. Instrumentation: Used in test and measurement equipment.
5. Communications: In signal processing for telecommunications.
6. Energy Management: For smart grid and power monitoring solutions.
Its low power consumption and high performance make it suitable for portable and battery-powered devices as well.