AD9833BRUZ-REEL7 - 25MHz DDS Waveform Generator | Analog Devices
MPN: AD9833BRUZ-REEL7 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.5 | $65.00 |
| 100 | $5.8 | $580.00 |
| 500 | $5.2 | $2,600.00 |
| 1,000 | $4.8 | $4,800.00 |
Drop-in alternatives for AD9833BRUZ-REEL7 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
AD9833BRMZ-REEL7
β Drop-Inπ Reference alternative (not in catalog)
AD9833BRMZ
β Drop-Inπ Reference alternative (not in catalog)
AD9833BRUZ
β Drop-Inπ Reference alternative (not in catalog)
AD9834BRUZ
β‘ Same Packageπ Reference alternative (not in catalog)
AD9838BRUZ
β‘ Same Packageπ Reference alternative (not in catalog)
AD9833BRUZ-REEL7 Maximum Ratings & Electrical Characteristics
| Supply Voltage | 2.3 V to 5.5 V |
| Power Consumption | 12.65 mW at 3 V |
| Maximum Clock Frequency | 25 MHz |
| Frequency Resolution | 28-bit |
| DAC Resolution | 10-bit |
| Output Waveforms | Sine, Triangular, Square |
| Interface | 3-wire SPI |
| Package | 10-MSOP |
| Operating Temperature Range | -40Β°C to +105Β°C |
| Power-Down Current | 0.5 Β΅A |
| Output Compliance | 0.2 V to 0.8 V |
| THD | 0.5% at 1 kHz |
| SFDR | 72 dB at 1 kHz |
| RoHS | Compliant |
| Mounting Type | Surface Mount |
AD9833BRUZ-REEL7 Pin Configuration
| Pin 1 | VCC β Power supply (2.3 V to 5.5 V) |
| Pin 2 | GND β Ground |
| Pin 3 | SCLK β Serial clock input |
| Pin 4 | SDATA β Serial data input |
| Pin 5 | FSYNC β Active low frame synchronization input |
| Pin 6 | AGND β Analog ground |
| Pin 7 | VOUT β Analog output |
| Pin 8 | COMP β DAC compensation pin |
| Pin 9 | CAP β Digital supply decoupling |
| Pin 10 | DGND β Digital ground |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
AD9833BRUZ-REEL7 is suitable for 6 applications: Function Generators, Frequency Synthesizers, Impedance Spectroscopy, Time Domain Reflectometry (TDR), Audio Tone Generation, Vibration Testing.
Function Generators
The AD9833BRUZ-REEL7 is ideal for portable and bench function generators due to its low power consumption (12.65 mW at 3 V) and ability to generate sine, triangular, and square waves. Its 28-bit frequency resolution allows precise frequency setting from 0.1 Hz to 12.5 MHz. The 3-wire SPI interface simplifies control from a microcontroller, enabling frequency sweeps and modulation. The small 10-MSOP package saves board space, making it suitable for handheld instruments.
Recommended
Frequency Synthesizers
In frequency synthesis, the AD9833BRUZ-REEL7 provides a stable, programmable frequency source with fast hopping capability. Its phase accumulator architecture allows frequency changes in microseconds, making it suitable for FSK and PSK modulation. The 28-bit tuning word provides fine frequency steps, essential for precise carrier frequencies in communication systems. The device operates from a single 3.3 V supply, simplifying power design. Its low power consumption is beneficial for battery-operated transceivers.
Recommended
Impedance Spectroscopy
The AD9833BRUZ-REEL7 is used in impedance spectroscopy to generate a sinusoidal excitation signal with precise frequency control. Its 28-bit frequency resolution allows sweeping frequencies from millihertz to megahertz, enabling detailed impedance analysis. The low distortion output (THD 0.5%) ensures accurate measurements. The device's low power consumption is advantageous for portable impedance analyzers. The SPI interface allows easy integration with a microcontroller for data acquisition and control.
Recommended
Time Domain Reflectometry (TDR)
In TDR systems, the AD9833BRUZ-REEL7 generates a step or pulse signal to probe transmission lines. Its fast frequency hopping and precise phase control enable accurate time-domain measurements. The device can generate square waves with sharp edges, essential for TDR. The low power consumption allows battery-powered operation in field instruments. The SPI interface simplifies control, and the small package is ideal for portable TDR meters.
Recommended
Audio Tone Generation
The AD9833BRUZ-REEL7 can generate audio tones for testing and alert systems. Its 28-bit frequency resolution allows precise tone frequencies from 20 Hz to 20 kHz. The low THD (0.5%) ensures clean tones. The device operates from a 3.3 V supply and consumes minimal power, making it suitable for battery-powered devices. The SPI interface allows easy control of frequency and amplitude, enabling multi-tone generation for DTMF or alarm signals.
Recommended
Vibration Testing
The AD9833BRUZ-REEL7 is used in vibration testing to generate sinusoidal excitation signals with precise frequency and amplitude control. Its 28-bit frequency resolution allows fine frequency sweeps for resonance detection. The device's low power consumption is beneficial for portable vibration analyzers. The SPI interface enables easy integration with a microcontroller for automated testing. The small package is ideal for compact test equipment.
Recommended
Recommended Products Summary
Engineering reference data for AD9833BRUZ-REEL7 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD9833BRMZ-REEL7 | AD9833BRMZ | AD9833BRUZ | AD9834BRUZ | AD9838BRUZ |
|---|---|---|---|---|---|---|
| Package | 10-MSOP | 10-MSOP | 10-MSOP | 10-MSOP | 10-MSOP | 10-MSOP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Maximum Clock Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 50 MHz | 16 MHz |
| DAC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Frequency Resolution | 28-bit | 28-bit | 28-bit | 28-bit | 28-bit | 28-bit |
| Supply Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Power Consumption | 12.65 mW at 3 V | 12.65 mW at 3 V | 12.65 mW at 3 V | 12.65 mW at 3 V | 20 mW at 3 V | 8 mW at 3 V |
| Interface | 3-wire SPI | 3-wire SPI | 3-wire SPI | 3-wire SPI | 3-wire SPI | 3-wire SPI |
Key Differentiators
- Low power consumption (vs AD9834BRUZ)
- Pin-compatible with AD9833BRMZ-REEL7 (vs AD9833BRMZ-REEL7)
- Higher clock frequency than AD9838 (vs AD9838BRUZ)
Design Notes
The AD9833BRUZ-REEL7 operates from 2.3 V to 5.5 V. Use a clean, low-noise supply and decouple with a 0.1 Β΅F capacitor close to the VCC pin. For best performance, use a separate analog and digital ground plane and connect them at a single point. The power-down mode reduces current to 0.5 Β΅A, which is useful for battery-powered designs.
Place the AD9833BRUZ-REEL7 close to the microcontroller to minimize SPI trace lengths. Keep the SPI lines short and avoid routing them near high-speed digital signals. Use a ground plane under the device to reduce noise. The COMP pin should be bypassed with a 10 nF capacitor to ground as recommended in the datasheet.
Ensure the SPI interface is correctly configured with the proper clock polarity and phase. The FSYNC pin must be held low during data transmission. The output amplitude is set by the full-scale current of the DAC, which can be adjusted with an external resistor. Do not exceed the output compliance range of 0.2 V to 0.8 V to avoid distortion.
Compliance Information
RoHS compliant per part number suffix 'U'. Other compliance data not specified in provided sources.
