Overview
The AD7478ARTZ-REEL is an 8-bit, single-channel, successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is notable for its high throughput and low power consumption, making it suitable for a variety of applications requiring efficient analog-to-digital conversion. The AD7478 is packaged in a compact SOT-23-6 package, which is ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| VDD Range | 2.35 to 5.25 | V | Power Supply Input |
| Resolution | 8 bits | ||
| Conversion Time | 800 ns max | ns | 16 SCLK cycles with SCLK at 20 MHz |
| Throughput Rate | 1 MSPS max | MSPS | |
| Input Range | 0 V to VDD | V | Analog Input Range |
| Power Consumption (Normal Mode, Static) | 2 mA typ (VDD = 4.75 V to 5.25 V) | mA | Digital I/Ps = 0 V or VDD |
| Power Consumption (Normal Mode, Operational) | 3.5 mA max (VDD = 4.75 V to 5.25 V; fSAMPLE = 1 MSPS) | mA | |
| Operating Temperature Range | -40°C to +85°C | °C | |
| Output Coding | Straight (Natural) Binary |
Key Features
- High throughput with low power consumption, allowing for efficient analog-to-digital conversion.
- Flexible power and serial clock speed management, enabling the reduction of average power consumption during non-conversion periods.
- No pipeline delays, ensuring immediate data availability after conversion.
- Internal reference from VDD, providing the widest dynamic input range.
- Compact SOT-23-6 package, ideal for space-constrained designs.
- Serial interface controlled by CS and SCLK, facilitating easy integration with microprocessors or DSPs.
Applications
The AD7478ARTZ-REEL is suitable for various applications requiring high-speed, low-power analog-to-digital conversion. These include:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Portable and battery-powered devices
Q & A
- What is the resolution of the AD7478ARTZ-REEL?
The AD7478ARTZ-REEL has an 8-bit resolution. - What is the maximum throughput rate of the AD7478ARTZ-REEL?
The maximum throughput rate is 1 MSPS. - What is the input range of the AD7478ARTZ-REEL?
The input range is from 0 V to VDD. - How is the conversion process controlled in the AD7478ARTZ-REEL?
The conversion process is controlled using the CS and SCLK signals. - What is the operating temperature range of the AD7478ARTZ-REEL?
The operating temperature range is -40°C to +85°C. - What is the typical power consumption of the AD7478ARTZ-REEL in normal mode?
The typical power consumption in normal mode (static) is 2 mA at VDD = 4.75 V to 5.25 V. - Does the AD7478ARTZ-REEL have any pipeline delays?
No, the AD7478ARTZ-REEL does not have any pipeline delays. - What type of package does the AD7478ARTZ-REEL come in?
The AD7478ARTZ-REEL comes in a SOT-23-6 package. - How is the reference voltage for the AD7478ARTZ-REEL generated?
The reference voltage is taken internally from VDD. - What are some common applications for the AD7478ARTZ-REEL?
Common applications include industrial control systems, medical devices, aerospace and defense systems, automotive systems, and portable devices.
