Overview
The AD9834BRU, produced by Analog Devices Inc., is a 75 MHz low power Direct Digital Synthesis (DDS) device. It is designed to generate high-performance sine and triangular waveforms, making it an ideal component for various applications requiring precise frequency generation. The device operates within a power supply range of 2.3 V to 5.5 V and consumes only 20 mW of power at 3 V, making it suitable for power-sensitive applications. The AD9834BRU also features an on-board comparator, enabling the generation of square waves for clock signals, and supports phase and frequency modulation.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Series | AD9834 |
| Mounting Style | SMD/SMT |
| Type | DDS Waveform Generator |
| Resolution | 10 bit |
| Number of Channels | 1 Channel |
| Operating Supply Voltage | 2.3 V to 5.5 V |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +105°C |
| Package | 20-lead TSSOP |
| Output Frequency | Up to 37.5 MHz |
| Power Consumption at 3 V | 20 mW |
| SNR - Signal to Noise Ratio | 60 dB |
| Narrow-band SFDR | >72 dB |
Key Features
- Narrow-band SFDR >72 dB
- Output frequency up to 37.5 MHz
- Sine and triangular output waveforms
- On-board comparator for square wave generation
- 3-wire SPI interface
- Extended temperature range: -40°C to +105°C
- Power-down option
- Low power consumption: 20 mW at 3 V
- High impedance current source 10-bit DAC
- Phase and frequency modulation capabilities
Applications
- Frequency stimulus and waveform generation
- Frequency phase tuning and modulation
- Low power RF and communications systems
- Liquid and gas flow measurement
- Sensory applications: proximity, motion, and defect detection
- Test and medical equipment
Q & A
- Q: What is the power consumption of the AD9834BRU at 3 V?
A: The AD9834BRU consumes 20 mW of power at 3 V. - Q: What types of output waveforms can the AD9834BRU generate?
A: The AD9834BRU can generate sine, triangular, and square waveforms. - Q: What is the maximum output frequency of the AD9834BRU?
A: The maximum output frequency is up to 37.5 MHz. - Q: Does the AD9834BRU support phase and frequency modulation?
A: Yes, the AD9834BRU supports both phase and frequency modulation. - Q: What is the operating temperature range of the AD9834BRU?
A: The operating temperature range is from -40°C to +105°C. - Q: What interface does the AD9834BRU use for communication?
A: The AD9834BRU uses a 3-wire SPI interface. - Q: What is the resolution of the DAC in the AD9834BRU?
A: The DAC resolution is 10 bits. - Q: Is the AD9834BRU suitable for low power applications?
A: Yes, the AD9834BRU is designed for low power consumption, making it suitable for power-sensitive applications. - Q: What package type does the AD9834BRU come in?
A: The AD9834BRU comes in a 20-lead TSSOP package. - Q: Where can I find detailed information about the AD9834BRU?
A: Detailed information can be found in the datasheet available on the Analog Devices website or through authorized distributors.
