Overview
The AD7923BRUZ, produced by Analog Devices Inc., is a 12-bit, high-speed, low-power, 4-channel successive approximation (SAR) analog-to-digital converter (ADC). This device operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 200 kSPS. It is designed for applications requiring low power consumption and high-speed data conversion, making it suitable for a variety of industrial and automotive uses.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Number of Channels | 4 | |
| Throughput Rate | Up to 200 kSPS | |
| Power Supply Range | 2.7 V to 5.25 V | |
| Current Consumption (max) | 1.2 mA (3 V), 1.5 mA (5 V) | |
| Shutdown Current (max) | 0.5 μA | |
| Operating Temperature Range | -40°C to +125°C | |
| Package Type | 16-Lead TSSOP | |
| Input Frequency Range | Up to 8 MHz | |
| Signal-to-Noise Ratio (SNR) | 70 dB min at 50 kHz input frequency |
Key Features
- High throughput with low power consumption, achieving up to 200 kSPS with minimal power dissipation.
- Four single-ended analog inputs with a channel sequencer for preprogrammed sequential conversion.
- Single-supply operation with VDRIVE function, allowing the serial interface to connect directly to either 3 V or 5 V processor systems.
- Flexible power and serial clock speed management, enabling adjustment of conversion time through the serial clock frequency.
- No pipeline delay, ensuring accurate control of the sampling instant via the CS input.
- Shutdown mode with a maximum current consumption of 0.5 μA.
- Qualified for automotive applications.
Applications
- Automotive systems: The AD7923 is qualified for automotive applications, making it suitable for use in vehicles.
- Industrial control systems: Its high-speed and low-power characteristics make it ideal for industrial control and monitoring systems.
- Medical devices: The device's precision and low noise make it suitable for medical equipment requiring accurate analog-to-digital conversion.
- Consumer electronics: It can be used in various consumer electronics that require high-speed data conversion with low power consumption.
Q & A
- What is the resolution of the AD7923 ADC?
The AD7923 is a 12-bit analog-to-digital converter.
- How many analog input channels does the AD7923 have?
The AD7923 has four single-ended analog input channels.
- What is the maximum throughput rate of the AD7923?
The AD7923 can achieve throughput rates up to 200 kSPS.
- What is the power supply range for the AD7923?
The AD7923 operates from a single 2.7 V to 5.25 V power supply.
- How much current does the AD7923 consume at maximum throughput rates?
The AD7923 consumes a maximum of 1.2 mA with 3 V supplies and 1.5 mA with 5 V supplies at maximum throughput rates.
- What is the shutdown current of the AD7923?
The AD7923 has a maximum shutdown current of 0.5 μA.
- What is the operating temperature range of the AD7923?
The AD7923 operates over a temperature range of -40°C to +125°C.
- What type of package does the AD7923 come in?
The AD7923 is available in a 16-Lead TSSOP package.
- Can the AD7923 handle high-frequency input signals?
- Is the AD7923 qualified for automotive applications?
