Overview
The AD7683ACPZRL7 is a 16-bit, single-ended, successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single power supply, VDD, ranging from 2.7 V to 5.5 V and features a high-speed, low-power design. It includes an internal conversion clock and a serial, SPI-compatible interface port. The AD7683 is housed in an 8-lead MSOP or QFN (LFCSP) package, making it suitable for a variety of applications requiring high precision and low latency.
Key Specifications
| Parameter | Conditions | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Resolution | - | Bits | - | - | 16 |
| Analog Input Voltage Range | VDD = 2.7 V to 5.5 V; VREF = VDD; TA = –40°C to +85°C | V | 0 | - | VREF |
| Throughput Speed | - | kSPS | - | - | 100 |
| DCLOCK Frequency | - | MHz | - | - | 2.9 |
| Reference Voltage Range | - | V | 0.5 VDD + 0.3 | - | VDD |
| Input Impedance | - | - | - | - | See the Analog Input section |
| Leakage Current at 25°C | Acquisition phase | nA | - | - | 1 |
Key Features
- High-Speed Operation: The AD7683 operates at a throughput rate of up to 100 kSPS with a complete cycle time of 10 µs.
- Low Power Consumption: The power consumption scales linearly with throughput, making it efficient for various applications.
- No Pipeline Delay or Latency: The device includes an on-chip track-and-hold circuit and does not exhibit any pipeline delay, ideal for multiplexed channel applications.
- SPI-Compatible Interface: The serial interface is compatible with SPI, facilitating easy communication with microcontrollers and other digital systems.
- Wide Operating Temperature Range: The device is specified to operate from –40°C to +85°C, making it suitable for a broad range of environmental conditions.
Applications
The AD7683 is versatile and can be used in various applications, including:
- Multiplexed Channel Systems: Its lack of pipeline delay and latency makes it ideal for systems requiring multiple, simultaneous analog-to-digital conversions.
- Industrial Automation: The device's high precision and reliability make it suitable for industrial automation and control systems.
- Medical Devices: The low power consumption and high accuracy of the AD7683 make it a good fit for medical devices that require precise analog-to-digital conversion.
- Aerospace and Defense: The wide operating temperature range and high reliability of the AD7683 make it suitable for aerospace and defense applications.
Q & A
- What is the resolution of the AD7683?
The AD7683 has a resolution of 16 bits. - What is the operating voltage range of the AD7683?
The AD7683 operates from a single power supply, VDD, ranging from 2.7 V to 5.5 V. - What is the maximum throughput rate of the AD7683?
The maximum throughput rate of the AD7683 is 100 kSPS. - Does the AD7683 have any pipeline delay or latency?
No, the AD7683 does not exhibit any pipeline delay or latency due to its on-chip track-and-hold circuit. - What type of interface does the AD7683 use?
The AD7683 uses a serial, SPI-compatible interface. - What is the operating temperature range of the AD7683?
The AD7683 is specified to operate from –40°C to +85°C. - What is the typical leakage current at 25°C during the acquisition phase?
The typical leakage current at 25°C during the acquisition phase is 1 nA. - What types of packages are available for the AD7683?
The AD7683 is available in 8-lead MSOP and QFN (LFCSP) packages. - Is the AD7683 suitable for multiplexed channel applications?
Yes, the AD7683 is ideal for multiplexed channel applications due to its lack of pipeline delay and latency. - What is the reference voltage range for the AD7683?
The reference voltage range for the AD7683 is from 0.5 VDD + 0.3 V to VDD.
