Overview
The AD7684BRM is a 16-bit, 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. It features a high-speed, low-power design with a sampling rate of 100,000 samples per second (100 kSPS). The AD7684BRM includes an internal conversion clock and a serial, SPI-compatible interface port, making it suitable for a variety of applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Sampling Rate | 100 kSPS |
| Power Supply Range | 2.7 V to 5.5 V |
| Power Dissipation | 4 mW @ 5 V, 1.5 mW @ 2.7 V, 150 µW @ 2.7 V/10 kSPS |
| Standby Current | 1 nA |
| Analog Input Range | ±VREF (0 V to VREF with VREF up to VDD on both inputs) |
| Package Type | 8-lead MSOP |
Key Features
- True differential analog input range: ±VREF (0 V to VREF with VREF up to VDD on both inputs)
- Low noise, wide bandwidth, short aperture delay track-and-hold circuit
- No missing codes and no pipeline delay or latency
- Internal conversion clock and serial, SPI-compatible interface port
- Low power consumption: 150 µW @ 2.7 V/10 kSPS
- Ideal for battery-powered applications and multiple, multiplexed channel applications
Applications
- Battery-powered equipment
- Data acquisition
- Instrumentation
- Medical instruments
- Process control
Q & A
- What is the resolution of the AD7684BRM?
The AD7684BRM has a resolution of 16 bits.
- What is the sampling rate of the AD7684BRM?
The AD7684BRM has a sampling rate of 100,000 samples per second (100 kSPS).
- What is the power supply range for the AD7684BRM?
The AD7684BRM operates from a single power supply ranging from 2.7 V to 5.5 V.
- What is the power dissipation of the AD7684BRM?
The power dissipation is 4 mW @ 5 V, 1.5 mW @ 2.7 V, and 150 µW @ 2.7 V/10 kSPS.
- What is the standby current of the AD7684BRM?
The standby current is 1 nA.
- What type of analog input does the AD7684BRM support?
The AD7684BRM supports true differential analog input range: ±VREF (0 V to VREF with VREF up to VDD on both inputs).
- What kind of interface does the AD7684BRM have?
The AD7684BRM has a serial, SPI-compatible interface port.
- Is the AD7684BRM suitable for battery-powered applications?
Yes, the AD7684BRM is ideal for battery-powered applications due to its low power consumption.
- What are some common applications of the AD7684BRM?
Common applications include battery-powered equipment, data acquisition, instrumentation, medical instruments, and process control.
- What is the package type of the AD7684BRM?
The AD7684BRM is housed in an 8-lead MSOP package.
