Overview
The DAC37J82IAAV is a dual-channel, 16-bit digital-to-analog converter (DAC) produced by Texas Instruments. This device is part of the DAC37J82/DAC38J82 family, known for its very low power consumption and high performance. It operates at a maximum sample rate of 1.6 GSPS and supports a maximum input data rate of 1.23 GSPS. The DAC37J82IAAV features a JESD204B interface, which enables high-speed data transfer and synchronization of multiple devices.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-Bit |
| Maximum Sample Rate | 1.6 GSPS |
| Maximum Input Data Rate | 1.23 GSPS |
| Data Interface | JESD204B |
| Number of JESD204B Serial Input Lanes | 1, 2, 4, or 8 |
| Maximum Bit Rate per Lane | 12.5 Gbps |
| Package Type | FCCSP (AAV), 144-Ball Flip-Chip BGA |
| Operating Temperature Range (°C) | -40 to 85 |
| Power Dissipation at 2.5 GSPS | 1.1 W |
| Voltage Supply, Analog | 3.15V ~ 3.45V |
Key Features
- Selectable 1x to 16x digital interpolation filters with over 90 dB of stop-band attenuation.
- On-chip very low jitter PLL for simplified clocking.
- Independent complex mixers with 48-bit Numerically Controlled Oscillator (NCO).
- Wideband digital quadrature modulator correction (QMC) and group delay correction (QDC) for complete IQ compensation.
- Fully bypassable digital interpolation filters.
- Sinx/x correction filters and fractional sample group delay correction.
- Flexible routing to four analog outputs via output multiplexer.
- 3/4-wire serial control bus (SPI) and integrated temperature sensor.
- JTAG boundary scan and pin-compatible with quad-channel DAC37J84/DAC38J84.
- Programmable power amplifier (PA) protection mechanism.
Applications
The DAC37J82IAAV is designed for complex transmit architectures in various applications, including:
- Wireless communication systems, such as 5G base stations and radio heads.
- Radar systems, including phased array radar and synthetic aperture radar.
- Test and measurement equipment requiring high-speed and high-resolution DACs.
- Aerospace and defense systems that demand low power and high performance.
- Medical imaging and diagnostic equipment.
Q & A
- What is the maximum sample rate of the DAC37J82IAAV?
The maximum sample rate of the DAC37J82IAAV is 1.6 GSPS.
- What type of data interface does the DAC37J82IAAV use?
The DAC37J82IAAV uses a JESD204B interface.
- How many JESD204B serial input lanes does the DAC37J82IAAV support?
The DAC37J82IAAV supports 1, 2, 4, or 8 JESD204B 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 operating temperature range of the DAC37J82IAAV?
The operating temperature range is -40°C to 85°C.
- Does the DAC37J82IAAV have built-in temperature sensing?
- How many analog outputs does the DAC37J82IAAV provide?
The DAC37J82IAAV provides four analog outputs.
- What kind of clocking does the DAC37J82IAAV use?
The DAC37J82IAAV uses an on-chip very low jitter PLL for clocking.
- Is the DAC37J82IAAV pin-compatible with other models?
- What is the power dissipation of the DAC37J82IAAV at 2.5 GSPS?
The power dissipation at 2.5 GSPS is 1.1 W.
