Key facts
- Brand
- Analog Devices
- Model
- AD9958
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2026-10-23
Start here
Analog Devices AD9958 Data Sheet
The AD9958 is a 2-channel Direct Digital Synthesizer (DDS) featuring 500 MSPS operation and integrated 10-bit digital-to-analog converters (DACs). It provides independent frequency, phase, and amplitude control for each channel, with excellent channel-to-channel isolation and support for up to 16 levels of modulation. The device includes an integrated reference clock multiplier (PLL) and supports various clock sources, including an internal VCO and external crystal oscillators.
The AD9958 utilizes a serial I/O port compatible with SPI, offering multiple configurations through four data pins to ensure flexibility in system design. It operates with a 1.8 V supply for the DDS core and a 3.3 V supply for the digital I/O interface, supporting industrial temperature ranges from -40°C to +85°C. The device is housed in a 56-lead LFCSP package.
Analog Devices AD9958 specifications
| Number of Channels | 2 |
|---|---|
| Maximum Sampling Rate | 500 MSPS |
| DAC Resolution | 10-bit |
| Frequency Tuning Resolution | 0.12 Hz or better |
| Phase Offset Resolution | 14-bit |
| Output Amplitude Scaling Resolution | 10-bit |
| Serial I/O Throughput | 800 Mbps |
| Supply Voltage (DDS Core) | 1.8 V |
| Supply Voltage (Serial I/O) | 3.3 V |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 56-lead LFCSP |
| Channel-to-Channel Isolation | >72 dB |
Source: Analog Devices AD9958 Data Sheet
All Analog Devices AD9958 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum sampling rate of the AD9958?
The AD9958 supports a maximum sampling rate of 500 MSPS.
What is the resolution of the integrated DACs?
The device incorporates two integrated, high speed 10-bit DACs.
What is the maximum output frequency of the AD9958?
The device can output up to 500 MHz when the REFCLK multiplier is bypassed.
From: Analog Devices AD9958 2-Channel 500 MSPS DDS Datasheet
How many bits are the integrated DACs in the AD9958?
Each of the two integrated DACs is 10‑bit.
From: Analog Devices AD9958 2-Channel 500 MSPS DDS Datasheet