Overview
The DAC38J84IAAV is a high-performance, quad-channel, 16-bit digital-to-analog converter (DAC) produced by Texas Instruments. This device is part of the DAC37J84/DAC38J84 family, known for its low power consumption and high sample rates. It features a JESD204B interface, supporting up to 8 serial input lanes with a maximum bit rate of 12.5 Gbps. The DAC38J84 is designed to simplify the design of complex transmit architectures, particularly in high-speed data conversion applications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16-Bit |
| Maximum Sample Rate | 2.5 GSPS |
| Maximum Input Data Rate | 1.23 GSPS |
| Interface | JESD204B |
| Serial Input Lanes | Up to 8 lanes |
| Maximum Bit Rate per Lane | 12.5 Gbps |
| Package | 144-Ball Flip-Chip BGA (FCCSP, AAV) |
| Operating Temperature Range | -40°C to 85°C |
| Power Dissipation | 1.8W at 2.5 GSPS |
Key Features
- Selectable 1x to 16x digital interpolation filters with over 90 dB of stop-band attenuation
- On-chip very low jitter PLL
- Independent complex mixers with 48-bit Numerically Controlled Oscillator (NCO)
- Wideband digital quadrature modulator correction and group delay correction
- Sinx/x correction filters
- Multi-band mode: digital summation of independent complex signals
- 3/4-wire serial control bus (SPI): 1.5V – 1.8V
- Integrated temperature sensor
- JTAG boundary scan
- Terminal-compatible with dual-channel DAC37J82/DAC38J82 family
Applications
The DAC38J84IAAV is suited for a variety of high-speed data conversion applications, including:
- Wireless infrastructure (base stations, small cells)
- Aerospace and defense systems
- Test and measurement equipment
- Medical imaging and diagnostics
- High-speed data acquisition systems
Q & A
- What is the maximum sample rate of the DAC38J84IAAV?
The maximum sample rate of the DAC38J84IAAV is 2.5 GSPS. - What interface does the DAC38J84IAAV use?
The DAC38J84IAAV uses the JESD204B interface. - How many serial input lanes does the DAC38J84IAAV support?
The DAC38J84IAAV supports up to 8 serial input lanes. - What is the maximum bit rate per lane for the JESD204B interface?
The maximum bit rate per lane is 12.5 Gbps. - What is the package type and pin count of the DAC38J84IAAV?
The DAC38J84IAAV comes in a 144-Ball Flip-Chip BGA (FCCSP, AAV) package. - What is the operating temperature range of the DAC38J84IAAV?
The operating temperature range is -40°C to 85°C. - What is the power dissipation of the DAC38J84IAAV at 2.5 GSPS?
The power dissipation is 1.8W at 2.5 GSPS. - Does the DAC38J84IAAV have any built-in clocking features?
Yes, it includes an on-chip very low jitter PLL. - What kind of modulation correction does the DAC38J84IAAV offer?
The DAC38J84IAAV offers digital quadrature modulator correction (QMC) and group delay correction (QDC). - Is the DAC38J84IAAV compatible with other DAC models?
Yes, it is terminal-compatible with the dual-channel DAC37J82/DAC38J82 family.
