Overview
The Texas Instruments DAC38J82IAAV is a high-performance, dual-channel digital-to-analog converter (DAC) designed for advanced signal processing applications. This device is part of the DAC37J82/DAC38J82 family, which offers very low power consumption and high-speed operation. The DAC38J82 features a 16-bit resolution and a maximum sample rate of 2.5 GSPS, making it suitable for complex transmit architectures in various communication and radar systems.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16-Bit |
| Maximum Sample Rate | 2.5 GSPS |
| Maximum Input Data Rate | 1.23 GSPS |
| Interface | JESD204B with up to 8 serial lanes, 12.5 Gbps per lane |
| Operating Temperature Range | -40°C to 85°C |
| Package | 144-Ball Flip-Chip BGA (FCCSP, 10x10mm) |
| Power Dissipation | 1.1W at 2.5 GSPS |
Key Features
- On-chip very low jitter PLL
- Selectable 1x to 16x digital interpolation
- Independent complex mixers with 48-bit Numerically Controlled Oscillator (NCO)
- Wideband digital Quadrature Modulator Correction (QMC) and Group Delay Correction (QDC)
- Flexible routing to four analog outputs via output multiplexer
- 3/4-Wire Serial Control Bus (SPI)
- Integrated temperature sensor
- JTAG boundary scan
- Pin-compatible with quad-channel DAC37J84/DAC38J84
Applications
- Arbitrary waveform generators
- Radar and electronic warfare systems
- Communications test equipment
- Direct RF synthesis for DOCSIS 3.0/3.1
- Microwave backhaul
Q & A
- What is the maximum sample rate of the DAC38J82?
The maximum sample rate of the DAC38J82 is 2.5 GSPS. - What interface does the DAC38J82 use?
The DAC38J82 uses the JESD204B interface with up to 8 serial lanes, each running up to 12.5 Gbps. - What is the resolution of the DAC38J82?
The resolution of the DAC38J82 is 16 bits. - What is the maximum input data rate of the DAC38J82?
The maximum input data rate of the DAC38J82 is 1.23 GSPS. - Does the DAC38J82 support multi-DAC synchronization?
Yes, the DAC38J82 supports JESD204B Subclass 1 multi-DAC synchronization. - What is the power dissipation of the DAC38J82 at 2.5 GSPS?
The power dissipation of the DAC38J82 at 2.5 GSPS is 1.1W. - What package type is the DAC38J82 available in?
The DAC38J82 is available in a 144-Ball Flip-Chip BGA (FCCSP) package, measuring 10x10mm. - Does the DAC38J82 have an integrated temperature sensor?
Yes, the DAC38J82 has an integrated temperature sensor. - What is the operating temperature range of the DAC38J82?
The operating temperature range of the DAC38J82 is -40°C to 85°C. - Does the DAC38J82 support SPI control?
Yes, the DAC38J82 supports a 3/4-Wire Serial Control Bus (SPI).
