Overview
The Texas Instruments DAC5688IRGCR is a high-performance, dual-channel, 16-bit digital-to-analog converter (DAC) designed for demanding applications requiring high speed and precision. This component operates at a sampling speed of 800 MSPS and features integrated 2x-8x interpolation filters, a fine frequency mixer with a 32-bit complex numerically controlled oscillator (NCO), and an on-board clock multiplier. It is characterized for operation over the industrial temperature range of –40°C to 85°C and is available in a 64-pin 9x9mm QFN package.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | DAC5688IRGCR |
| Resolution | 16-bit |
| Sampling Speed | 800 MSPS |
| Number of Channels | 2 |
| Package | 64-VFQFN Exposed Pad (9x9mm) |
| Mounting Type | Surface Mount |
| Output Type | Current - Unbuffered |
| Analog Supply Voltage | 3V ~ 3.6V |
| Digital Supply Voltage | 1.7V ~ 1.9V |
| Settling Time | 10.4ns (Typ) |
| Differential Output | Yes |
| Operating Temperature | -40°C ~ 85°C |
| ROHS Status | ROHS3 Compliant |
Key Features
- Dual CMOS digital data bus supporting 250 MSPS input data transfer per DAC channel
- Integrated 2x-8x interpolation filters with over 80 dB of stop-band attenuation
- Optional 32-bit NCO/mixer for frequency upconversion and complex Hilbert Transform pair output
- Digital Inverse SINC filter to compensate for natural DAC sin(x)/x frequency roll-off
- Digital Quadrature Modulator Correction (QMC) for IQ compensation of phase, gain, and offset
- On-board clock multiplier and internal voltage reference
- Superior linearity, noise, crosstalk, and PLL phase noise performance
Applications
The DAC5688IRGCR is suitable for a variety of high-speed and high-precision applications, including:
- Wireless communication systems, such as base stations and radio transceivers
- Medical imaging and diagnostic equipment
- Aerospace and defense systems requiring high-speed data conversion
- Test and measurement instruments
- High-speed data acquisition systems
Q & A
- What is the resolution and sampling speed of the DAC5688IRGCR?
The DAC5688IRGCR has a resolution of 16 bits and operates at a sampling speed of 800 MSPS.
- How many channels does the DAC5688IRGCR have?
The DAC5688IRGCR is a dual-channel DAC.
- What is the package type and mounting type of the DAC5688IRGCR?
The DAC5688IRGCR comes in a 64-VFQFN Exposed Pad package and is surface mountable.
- What are the supply voltage ranges for the DAC5688IRGCR?
The analog supply voltage range is 3V ~ 3.6V, and the digital supply voltage range is 1.7V ~ 1.9V.
- Does the DAC5688IRGCR support differential output?
- What is the operating temperature range of the DAC5688IRGCR?
- Is the DAC5688IRGCR ROHS compliant?
- How can I order the DAC5688IRGCR?
- What are some key features of the DAC5688IRGCR?
- In what applications is the DAC5688IRGCR typically used?
