Overview
The AD9834CRUZ-REEL7, produced by Analog Devices Inc., is a 75 MHz low-power Direct Digital Synthesis (DDS) device. It is capable of producing high-performance sine and triangular outputs, making it an ideal component for various applications requiring precise waveform generation. The device also features an on-board comparator, which can generate a square wave for clock generation. With a power consumption of only 20 mW at 3 V, it is particularly suited for power-sensitive applications. The AD9834CRUZ-REEL7 operates with a 3-wire SPI interface compatible with DSP and microcontroller standards, and it supports a wide power supply range from 2.3 V to 5.5 V.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Maximum Clock Frequency | 75 MHz | ||
| Output Frequency Range | Up to 37.5 MHz | ||
| Power Supply Range | 2.3 V to 5.5 V | ||
| Power Consumption at 3 V | 20 mW | ||
| Resolution | 10 bits | Integral nonlinearity ±1 LSB | |
| Signal-to-Noise Ratio (SNR) | 60 dB (typ) | ||
| Operating Temperature Range | -40°C to +105°C | ||
| Package Type | 20-lead TSSOP | ||
| Serial Interface Clock Rate | Up to 40 MHz | 3-wire SPI interface |
Key Features
- Narrow-band SFDR >72 dB
- Sine and triangular output capabilities
- On-board comparator for square wave generation
- 3-wire SPI interface compatible with DSP and microcontroller standards
- Extended temperature range: −40°C to +105°C
- Power-down option with external control via SLEEP pin
- Independent power supplies for analog and digital sections
- High frequency resolution (e.g., 0.28 Hz with a 75 MHz clock rate)
Applications
- Frequency stimulus/waveform generation
- Frequency phase tuning and modulation
- Low power RF/communications systems
- Liquid and gas flow measurement
- Sensory applications: proximity, motion, and defect detection
- Test and medical equipment
Q & A
- What is the maximum clock frequency of the AD9834CRUZ-REEL7?
The maximum clock frequency is 75 MHz. - What types of waveforms can the AD9834CRUZ-REEL7 generate?
The device can generate sine, triangular, and square waveforms. - What is the power consumption of the AD9834CRUZ-REEL7 at 3 V?
The power consumption is 20 mW at 3 V. - What is the resolution of the AD9834CRUZ-REEL7?
The resolution is 10 bits with an integral nonlinearity of ±1 LSB. - What is the operating temperature range of the AD9834CRUZ-REEL7?
The operating temperature range is -40°C to +105°C. - How does the AD9834CRUZ-REEL7 support power management?
The device has a power-down pin (SLEEP) that allows external control of the power-down mode, enabling sections of the device to be powered down to minimize current consumption. - What types of interfaces does the AD9834CRUZ-REEL7 support?
The device supports a 3-wire SPI interface compatible with DSP and microcontroller standards. - What are some common applications of the AD9834CRUZ-REEL7?
Common applications include frequency stimulus/waveform generation, frequency phase tuning and modulation, low power RF/communications systems, liquid and gas flow measurement, sensory applications, and test and medical equipment. - What is the package type of the AD9834CRUZ-REEL7?
The package type is a 20-lead TSSOP. - Can the analog and digital sections of the AD9834CRUZ-REEL7 be powered independently?
Yes, the analog and digital sections can be powered independently from different power supplies.
