Overview
The AD9833BRM, produced by Analog Devices Inc., is a low-power, programmable waveform generator. It is capable of producing sine, triangular, and square wave outputs, making it versatile for various applications. The device operates within a power supply range of 2.3 V to 5.5 V and features a 3-wire serial interface compatible with DSP and microcontroller standards, operating at clock rates up to 40 MHz. The AD9833BRM is designed to be power-efficient, with a power-down option to minimize current consumption when not in use. It is packaged in a 10-lead MSOP and is AEC-Q100 qualified for automotive applications, ensuring reliability across a wide temperature range of −40°C to +105°C.
Key Specifications
| Parameter | Value |
|---|---|
| Output Frequency Range | 0 MHz to 12.5 MHz |
| Resolution | 28-bit (0.1 Hz at 25 MHz reference clock) |
| Waveform Outputs | Sinusoidal, triangular, and square wave |
| Power Supply | 2.3 V to 5.5 V |
| Serial Interface | 3-wire SPI, up to 40 MHz clock rate |
| Operating Temperature | −40°C to +105°C |
| Package | 10-lead MSOP |
| Power Consumption | Approximately 12.65 mW |
| Signal-to-Noise Ratio (SNR) | 55 dB to 60 dB |
| Total Harmonic Distortion (THD) | −66 dBc to −55 dBc |
| Spurious-Free Dynamic Range (SFDR) | −60 dBc (wideband), −78 dBc (narrow-band) |
Key Features
- No external components required for operation.
- Software-programmable output frequency and phase.
- Low power consumption with a power-down option.
- High resolution: 0.1 Hz at 25 MHz reference clock.
- Extended temperature range: −40°C to +105°C.
- AEC-Q100 qualified for automotive applications.
- Compatible with DSP and microcontroller standards.
Applications
- Frequency stimulus/waveform generation.
- Liquid and gas flow measurement.
- Sensory applications: proximity, motion, and defect detection.
- Line loss/attenuation testing.
- Test and medical equipment.
- Sweep/clock generators.
- Time domain reflectometry (TDR) applications.
Q & A
- What is the output frequency range of the AD9833BRM?
The output frequency range of the AD9833BRM is 0 MHz to 12.5 MHz.
- What types of waveforms can the AD9833BRM generate?
The AD9833BRM can generate sinusoidal, triangular, and square wave outputs.
- What is the power supply range for the AD9833BRM?
The power supply range for the AD9833BRM is 2.3 V to 5.5 V.
- What is the resolution of the AD9833BRM at a 25 MHz reference clock?
The resolution at a 25 MHz reference clock is 0.1 Hz.
- Does the AD9833BRM require external components for operation?
No, the AD9833BRM does not require external components for operation.
- What is the operating temperature range of the AD9833BRM?
The operating temperature range is −40°C to +105°C.
- Is the AD9833BRM AEC-Q100 qualified?
- What is the maximum clock rate of the serial interface?
The serial interface operates at clock rates up to 40 MHz.
- What is the typical power consumption of the AD9833BRM?
The typical power consumption is approximately 12.65 mW.
- What are some common applications of the AD9833BRM?
