Overview
The AD7321BRUZ, produced by Analog Devices Inc., is a 2-channel, 12-bit plus sign successive approximation Analog-to-Digital Converter (ADC) designed using the iCMOS (industrial CMOS) process. This technology combines high voltage silicon with submicron CMOS and complementary bipolar technologies, enabling high performance analog ICs with reduced power consumption and package size. The AD7321 is capable of accepting true bipolar analog input signals and offers flexible input range configurations and high-speed serial interface capabilities.
Key Specifications
| Specification | Value |
|---|---|
| Number of Channels | 2 |
| Resolution | 12-bit plus sign |
| Throughput Rate | Up to 500 kSPS |
| Input Ranges | ±10 V, ±5 V, ±2.5 V, 0 V to +10 V |
| Input Configuration | Single-ended, true differential, pseudo differential |
| Internal Reference | 2.5 V |
| External Reference Capability | Up to 3 V for ±12 V input range |
| Power Consumption | 18 mW at 500 kSPS |
| Operating Temperature | –40°C to +85°C |
| Package Type | 14-Lead TSSOP |
Key Features
- True bipolar analog input capability
- High analog input impedance
- Low power consumption: 18 mW at 500 kSPS
- Full power signal bandwidth: 22 MHz
- Internal 2.5 V reference with external reference option
- High-speed serial interface compatible with SPI, QSPI, DSP, and MICROWIRE
- Channel sequencer for flexible channel configuration
- Power-down modes for reduced power consumption
Applications
The AD7321 is suitable for a variety of applications requiring high-performance analog-to-digital conversion, including industrial control systems, medical devices, and automotive systems. Its ability to handle true bipolar input signals and its low power consumption make it particularly useful in applications where precision and efficiency are critical.
Q & A
- What is the resolution of the AD7321 ADC?
The AD7321 has a resolution of 12-bit plus sign. - How many channels does the AD7321 have?
The AD7321 has 2 channels. - What are the available input ranges for the AD7321?
The AD7321 offers input ranges of ±10 V, ±5 V, ±2.5 V, and 0 V to +10 V. - Can the AD7321 accept true bipolar input signals?
Yes, the AD7321 can accept true bipolar analog input signals. - What is the maximum throughput rate of the AD7321?
The maximum throughput rate of the AD7321 is up to 500 kSPS. - What is the power consumption of the AD7321 at maximum throughput rate?
The power consumption is 18 mW at 500 kSPS. - What types of input configurations are supported by the AD7321?
The AD7321 supports single-ended, true differential, and pseudo differential input configurations. - Does the AD7321 have an internal reference?
Yes, the AD7321 has an internal 2.5 V reference and also supports external reference operation. - What is the operating temperature range of the AD7321?
The operating temperature range is –40°C to +85°C. - What package type is the AD7321 available in?
The AD7321 is available in a 14-Lead TSSOP package.
