Overview
The AD9957BSVZ, produced by Analog Devices Inc., is a high-performance, integrated Direct Digital Synthesis (DDS) device that incorporates advanced digital signal processing features. It functions as a universal I/Q modulator and agile upconverter, making it ideal for communications systems where cost, size, power consumption, and dynamic performance are critical. The device integrates a high-speed DDS, a high-performance 14-bit digital-to-analog converter (DAC), clock multiplier circuitry, digital filters, and other DSP functions onto a single chip. This integration provides baseband upconversion for data transmission in both wired and wireless communications systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Product Category | Quadrature Digital Up Converters (QDUC) |
| Package | 100-TQFP Exposed Pad |
| Resolution (Bits) | 14 bits |
| Master Clock Frequency (fclk) | 1 GHz |
| Tuning Word Width (Bits) | 32 bits |
| Voltage Supply | 1.8V, 3.3V |
| Operating Temperature | -40°C to 85°C |
| Number of Pins | 100 |
| RoHS Status | Yes |
Key Features
- High-resolution output for accurate signal synthesis with 14-bit DAC resolution.
- Fast clock speeds with a 1 GHz master clock frequency supporting high-speed applications.
- Dual voltage supply operation at 1.8V and 3.3V, enhancing flexibility and energy efficiency.
- Robust temperature performance, operating over a wide temperature range from -40°C to 85°C.
- Support for advanced modulation schemes, including phase modulation and multichip synchronization.
- Internal oscillator for single crystal operation and reference clock multiplier circuitry.
- Interpolation factors from 4× to 252× and gain control DAC.
- Software and hardware controlled power-down and wake-up modes.
Applications
- HFC (Hybrid Fiber-Coaxial) data, telephony, and video modems.
- Wireless base station transmissions.
- Broadband communications transmissions.
- Internet telephony.
Q & A
- What is the primary function of the AD9957BSVZ?
The AD9957BSVZ functions as a universal I/Q modulator and agile upconverter for communications systems, integrating a high-speed DDS, a 14-bit DAC, and other DSP functions.
- What is the resolution of the DAC in the AD9957BSVZ?
The DAC resolution is 14 bits).
- What is the maximum master clock frequency of the AD9957BSVZ?
The maximum master clock frequency is 1 GHz).
- What are the supported voltage supplies for the AD9957BSVZ?
The device supports dual voltage supplies at 1.8V and 3.3V).
- What is the operating temperature range of the AD9957BSVZ?
The operating temperature range is from -40°C to 85°C).
- What types of modulation does the AD9957BSVZ support?
The device supports advanced modulation schemes, including phase modulation and multichip synchronization).
- Can the AD9957BSVZ be used in wireless communications?
Yes, it is used in wireless base station transmissions and other wireless communications applications).
- What is the package type of the AD9957BSVZ?
The package type is 100-TQFP Exposed Pad).
- Is the AD9957BSVZ RoHS compliant?
Yes, the AD9957BSVZ is RoHS compliant).
- What are some common applications of the AD9957BSVZ?
Common applications include HFC data, telephony, video modems, broadband communications, and internet telephony).
