Overview
The AD7357BRUZ is a high-performance, dual 14-bit successive approximation (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single 2.5 V power supply and is designed for simultaneous sampling of two analog input channels. It features a throughput rate of up to 4.2 million samples per second (MSPS) per channel, making it suitable for high-speed data acquisition applications. The AD7357BRUZ is available in a 16-lead thin shrink small outline package (TSSOP) and is known for its low power dissipation and advanced design techniques that enable high throughput rates with minimal power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7357BRUZ |
| Description | IC ADC DUAL 14BIT 4.2MSPS 16TSSOP |
| Lifecycle Status | Production |
| Operating Supply Voltage | 2.5 V |
| Max Supply Voltage | 2.75 V |
| Min Supply Voltage | 2.25 V |
| Power Dissipation | 36 mW at 4.2 MSPS |
| Number of Bits | 14 |
| Input Type | Differential |
| Min Input Voltage | ±VREF/2 (VREF = 2.048 V) |
| Architecture | SAR (Successive Approximation) |
| Number of Analog In Channels | 2 |
| Interface | SPI |
| Conversion Rate | Up to 4.2 MSPS per channel |
| Output Format | Serial |
| Package Type | 16-Lead Thin Shrink Small Outline Package (TSSOP) |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Dual 14-bit SAR ADCs: Simultaneous sampling of two analog input channels with high accuracy and speed.
- High Throughput Rate: Up to 4.2 MSPS per channel, suitable for high-speed data acquisition applications.
- Low Power Dissipation: Consumes 36 mW at 4.2 MSPS, making it energy-efficient.
- On-chip Reference: 2.048 V reference with ±0.25% accuracy and 6 ppm/°C drift, which can be overdriven by an external reference if needed.
- Flexible Power Management: Power-down options available via the standard serial interface to save power between conversions.
- Wide Input Frequency Range: Track-and-hold circuit can handle input frequencies in excess of 110 MHz.
- Ease of Interfacing: Standard control inputs for easy interfacing to microprocessors or digital signal processors (DSPs).
Applications
- High-Speed Data Acquisition Systems: Suitable for applications requiring simultaneous sampling of multiple channels at high speeds.
- Industrial Automation: Used in control systems, monitoring, and data logging in industrial environments.
- Medical Devices: Applicable in medical imaging, patient monitoring, and other medical diagnostic equipment.
- Aerospace and Defense: Employed in various military and aerospace applications requiring high precision and reliability.
- Automotive Systems: Used in automotive sensors, control units, and other automotive electronic systems.
Q & A
- What is the maximum throughput rate of the AD7357BRUZ?
The AD7357BRUZ has a maximum throughput rate of up to 4.2 MSPS per channel.
- What is the power supply voltage for the AD7357BRUZ?
The AD7357BRUZ operates from a single 2.5 V power supply.
- What type of ADC architecture does the AD7357BRUZ use?
The AD7357BRUZ uses a successive approximation (SAR) ADC architecture.
- How many analog input channels does the AD7357BRUZ have?
The AD7357BRUZ has two analog input channels.
- What is the input type of the AD7357BRUZ?
The AD7357BRUZ has differential inputs.
- What is the operating temperature range of the AD7357BRUZ?
The operating temperature range is -40°C to +85°C.
- Can the internal reference of the AD7357BRUZ be overdriven by an external reference?
Yes, the internal 2.048 V reference can be overdriven by an external reference.
- What is the power dissipation of the AD7357BRUZ at 4.2 MSPS?
The power dissipation is 36 mW at 4.2 MSPS.
- What interface does the AD7357BRUZ use for data communication?
The AD7357BRUZ uses a serial peripheral interface (SPI).
- Is the AD7357BRUZ available in different package types?
Yes, it is available in a 16-lead TSSOP package and an 18-lead LFCSP package.
