Overview
The AD9833BRM-REEL7, produced by Analog Devices Inc., is a low-power, programmable waveform generator. This device is capable of producing sine, triangular, and square wave outputs, making it versatile for various applications such as sensing, actuation, and time-domain reflectometry (TDR). The AD9833 operates on a power supply voltage range of 2.3V to 5.5V and consumes only 12.65mW of power at 3V. It features a 28-bit frequency register, allowing for precise frequency and phase adjustments without the need for external components. The device is controlled via a 3-wire serial interface compatible with DSP and microcontroller standards, operating at clock rates up to 40MHz.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package Type | 10-lead MSOP |
| Power Supply Voltage | 2.3V to 5.5V |
| Power Consumption | 12.65mW at 3V |
| Output Frequency Range | 0 MHz to 12.5 MHz |
| Resolution | 28-bit: 0.1 Hz at 25 MHz reference clock |
| Wave Outputs | Sinusoidal, triangular, and square |
| Interface | 3-wire SPI |
| Temperature Range | −40°C to +105°C |
| Power-Down Feature | Power-down option |
| Signal-to-Noise Ratio (SNR) | 60dB typ (fMCLK=25 MHz, fOUT=fMCLK/4096) |
| Total Harmonic Distortion (THD) | −66dBc typ (fMCLK=25 MHz, fOUT=fMCLK/4096) |
| VOUT Temperature Coefficient | 200ppm/°C typ |
Key Features
- Digitally programmable frequency and phase, allowing for precise tuning without external components.
- Low power consumption of 12.65mW at 3V, making it suitable for battery-operated and energy-sensitive applications.
- Capable of producing sine, triangular, and square wave outputs.
- 3-wire SPI interface compatible with DSP and microcontroller standards, operating at clock rates up to 40MHz.
- Power-down feature to minimize current consumption when sections of the device are not in use.
- AEC-Q100 qualified for automotive applications.
- ROHS3 compliant.
Applications
- Frequency stimulus/waveform generation.
- Liquid and gas flow measurement.
- Sensory applications: proximity, motion, and defect detection.
- Line loss/attenuation measurement.
- Test and medical equipment).
- Sweep/clock generators).
- Time-domain reflectometry (TDR) applications).
Q & A
- What is the power supply voltage range of the AD9833BRM-REEL7?
The power supply voltage range is 2.3V to 5.5V).
- What types of waveforms can the AD9833BRM-REEL7 generate?
The device can generate sine, triangular, and square wave outputs).
- What is the resolution of the frequency register in the AD9833BRM-REEL7?
The frequency register is 28 bits wide, allowing for a resolution of 0.1 Hz at a 25 MHz reference clock).
- Does the AD9833BRM-REEL7 require external components for operation?
No, the AD9833BRM-REEL7 does not require external components for operation).
- What is the maximum clock rate of the 3-wire SPI interface?
The 3-wire SPI interface operates at clock rates up to 40 MHz).
- What is the power consumption of the AD9833BRM-REEL7 at 3V?
The power consumption is 12.65mW at 3V).
- What is the temperature range of the AD9833BRM-REEL7?
The temperature range is −40°C to +105°C).
- Is the AD9833BRM-REEL7 ROHS compliant?
- Does the AD9833BRM-REEL7 have a power-down feature?
- What are some common applications of the AD9833BRM-REEL7?
