Overview
The AD9833SRMZ-EP-RL7, 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 sensing, actuation, and time domain reflectometry (TDR) applications. The AD9833-EP operates with 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. It is designed to minimize power consumption through a power-down function, allowing sections of the device to be powered down when not in use.
Key Specifications
| Parameter | Min | Unit | Test Conditions/Comments | ||
|---|---|---|---|---|---|
| VDD | 2.3 | 5.5 | V | ||
| Temperature Range | -55 | 125 | °C | ||
| Resolution (DAC) | 10 Bits | ||||
| Update Rate (DAC) | 25 MSPS | ||||
| VOUT Maximum | 0.65 | V | |||
| VOUT Minimum | 38 | mV | |||
| VOUT Temperature Coefficient | 200 | ppm/°C | |||
| DC Accuracy - Integral Nonlinearity | ±1.0 | LSB | |||
| DC Accuracy - Differential Nonlinearity | ±0.5 | LSB | |||
| Signal-to-Noise Ratio (SNR) | 53.5 | 60 | dB | fMCLK = 25 MHz, fOUT = fMCLK/4096 | |
| Total Harmonic Distortion (THD) | -66 | -53.5 | dBc | fMCLK = 25 MHz, fOUT = fMCLK/4096 | |
| Spurious-Free Dynamic Range (SFDR) | -60 | dBc | fMCLK = 25 MHz |
Key Features
- Programmable waveform generator capable of producing sine, triangular, and square wave outputs.
- Low power consumption with a power-down function to minimize current usage.
- Operates with a power supply range of 2.3 V to 5.5 V.
- 3-wire serial interface compatible with DSP and microcontroller standards, operating up to 40 MHz.
- 28-bit frequency registers allowing for high frequency resolution (e.g., 0.1 Hz with a 25 MHz clock rate).
- No external components required for waveform generation.
- Available in a 10-lead MSOP package.
- Enhanced product features for defense and aerospace applications (AQEC), including controlled manufacturing baseline and enhanced product change notification.
Applications
- Frequency stimulus/waveform generation.
- Liquid and gas flow measurement.
- Sensory applications: proximity, motion, defect detection.
- Line loss/attenuation measurement.
- Test and medical equipment.
- Sweep/clock generators.
- Time domain reflectometry (TDR) applications.
Q & A
- What types of waveforms can the AD9833-EP generate?
The AD9833-EP can generate sine, triangular, and square wave outputs.
- What is the power supply range for the AD9833-EP?
The device operates with a power supply range of 2.3 V to 5.5 V.
- What is the temperature range for the AD9833-EP?
The temperature range is from -55°C to +125°C.
- How does the AD9833-EP minimize power consumption?
The device has a power-down function that allows sections not in use to be powered down, minimizing current consumption.
- What is the resolution of the frequency registers?
The frequency registers are 28 bits wide, allowing for high frequency resolution.
- What is the maximum update rate of the DAC?
The maximum update rate of the DAC is 25 MSPS.
- What type of package is the AD9833-EP available in?
The device is available in a 10-lead MSOP package.
- Does the AD9833-EP require external components for waveform generation?
No, the AD9833-EP does not require external components for waveform generation.
- What is the purpose of the 3-wire serial interface?
The 3-wire serial interface is used for programming the device and operates up to 40 MHz, compatible with DSP and microcontroller standards.
- What are some of the enhanced features for defense and aerospace applications?
The device includes controlled manufacturing baseline, enhanced product change notification, and qualification data available upon request.
