Overview
The AD9837BCPZ-RL, 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. It operates within a supply voltage range of 2.3V to 5.5V and has a low power consumption of approximately 8.5 mW. The AD9837 is designed with a 3-wire serial interface that supports clock rates up to 40 MHz, making it compatible with DSP and microcontroller systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Voltage - Supply | 2.3 | 5.5 | V | ||
| Operating Temperature | -40 | 125 | °C | ||
| Resolution (Bits) | 10 | ||||
| Tuning Word Width (Bits) | 28 | ||||
| Update Rate (A Grade) | 5 | MSPS | |||
| Update Rate (B Grade) | 16 | MSPS | |||
| VOUT Maximum | 0.645 | V | |||
| VOUT Minimum | 37 | mV | |||
| Vp-p | 0.610 | V | |||
| Integral Nonlinearity (INL) | ±1.0 | LSB | |||
| Differential Nonlinearity (DNL) | ±0.5 | LSB | |||
| Signal-to-Noise Ratio (SNR) A Grade | -64 | dB | fMCLK = 5 MHz, fOUT = fMCLK/4096 | ||
| Total Harmonic Distortion (THD) A Grade | -68 | dBc | fMCLK = 5 MHz, fOUT = fMCLK/4096 |
Key Features
- Programmable Waveform Generation: The AD9837 can generate sine, triangular, and square wave outputs, making it highly versatile for various applications.
- Low Power Consumption: The device operates at a low power of approximately 8.5 mW, which is beneficial for power-sensitive applications.
- High-Speed Serial Interface: The 3-wire serial interface supports clock rates up to 40 MHz, ensuring compatibility with DSP and microcontroller systems.
- Advanced Modulation Capabilities: The AD9837 supports a broad range of simple and complex modulation schemes, all implemented in the digital domain using DSP techniques.
- Precision DAC: The device includes a high-impedance, current-source, 10-bit DAC with an on-board 200 Ω resistor, eliminating the need for an external load resistor.
- Wide Operating Temperature Range: The device operates from -40°C to 125°C, making it suitable for a variety of environmental conditions.
Applications
- Communication Systems: The AD9837 is ideal for generating RF signals and implementing various modulation schemes in communication systems.
- Test and Measurement Equipment: Its ability to generate precise waveforms makes it suitable for use in test and measurement instruments.
- Aerospace and Defense: The device's wide operating temperature range and low power consumption make it a good fit for aerospace and defense applications.
- Industrial Automation: The AD9837 can be used in industrial automation for generating control signals and implementing modulation schemes.
Q & A
- What is the supply voltage range of the AD9837BCPZ-RL?
The supply voltage range is from 2.3V to 5.5V.
- What types of waveforms can the AD9837 generate?
The AD9837 can generate sine, triangular, and square wave outputs.
- What is the resolution of the DAC in the AD9837?
The DAC has a resolution of 10 bits.
- What is the maximum update rate of the AD9837?
The maximum update rate is 16 MSPS for B Grade and 5 MSPS for A Grade.
- Does the AD9837 support modulation schemes?
Yes, the AD9837 supports a broad range of simple and complex modulation schemes implemented in the digital domain.
- What is the operating temperature range of the AD9837?
The operating temperature range is from -40°C to 125°C.
- How does the AD9837 interface with other devices?
The AD9837 interfaces via a 3-wire serial interface that supports clock rates up to 40 MHz.
- What is the power consumption of the AD9837?
The power consumption is approximately 8.5 mW.
- Does the AD9837 require an external load resistor for the DAC?
No, the device has an on-board 200 Ω resistor, eliminating the need for an external load resistor.
- What are some common applications of the AD9837?
Common applications include communication systems, test and measurement equipment, aerospace and defense, and industrial automation.
