Overview
The AD7923WYRUZ-REEL7, 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 is designed for high throughput rates of up to 200 kSPS. It features a low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies exceeding 8 MHz. The AD7923 is particularly suited for applications requiring low power consumption and high-speed data conversion, making it ideal for various industrial, automotive, and medical devices.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Number of Channels | 4 single-ended analog inputs |
| Throughput Rate | Up to 200 kSPS |
| Power Supply Range | 2.7 V to 5.25 V |
| Power Consumption | 1.2 mA max at 3 V, 1.5 mA max at 5 V |
| Input Frequency Range | Exceeding 8 MHz |
| Reference Voltage Range | 2.5 V ± 1% |
| Package Type | 16-Lead TSSOP |
| Operating Temperature Range | -40°C to +125°C |
| Shutdown Current | 0.5 μA max |
Key Features
- High throughput rates up to 200 kSPS with low power consumption.
- Low noise, wide bandwidth track-and-hold amplifier.
- Flexible power and serial clock speed management.
- No pipeline delays.
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Shutdown mode with 0.5 μA maximum current.
- Channel sequencer for preprogrammed selection of channels to be converted sequentially.
- Configurable analog input range: 0 V to REFIN or 0 V to 2 × REFIN.
- Output coding options: straight binary or two's complement.
Applications
- Automotive systems: Qualified for automotive applications due to its robust operating temperature range and reliability.
- Industrial control systems: Suitable for high-speed data acquisition in industrial environments.
- Medical devices: Ideal for medical equipment requiring precise and fast analog-to-digital conversion.
- Data acquisition systems: Used in various data acquisition systems where high throughput and low power consumption are critical.
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 power does the AD7923 consume at maximum throughput rates?
The AD7923 consumes 1.2 mA maximum at 3 V and 1.5 mA maximum at 5 V.
- What is the input frequency range that the AD7923 can handle?
The AD7923 can handle input frequencies exceeding 8 MHz.
- What is the reference voltage range for the AD7923?
The reference voltage range for the AD7923 is 2.5 V ± 1%.
- In what package type is the AD7923 available?
The AD7923 is available in a 16-Lead TSSOP package.
- What is the operating temperature range of the AD7923?
The AD7923 operates over a temperature range of -40°C to +125°C.
- What is the shutdown current of the AD7923?
The AD7923 has a shutdown current of 0.5 μA maximum.
