DAC38RF83IAAVR - Dual 14-Bit 9-GSPS RF-Sampling DAC | TI
MPN: DAC38RF83IAAVR β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1185 | $1,185.00 |
| 10 | $1112 | $11,120.00 |
| 100 | $1049 | $104,900.00 |
| 500 | $985 | $492,500.00 |
| 1,000 | $921 | $921,000.00 |
Drop-in alternatives for DAC38RF83IAAVR β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
DAC38RF83IAAV
β Drop-Inβ In Stock
$165 / Unit
View Datasheet βDAC38RF82IAAV
β Drop-Inπ Reference alternative (not in catalog)
DAC38RF84IAAV
β Drop-Inπ Reference alternative (not in catalog)
DAC38RF89IAAV
β Drop-Inπ Reference alternative (not in catalog)
DAC38RF83IAAVR Maximum Ratings & Electrical Characteristics
| Resolution | 14 bit |
| Number of DAC Channels | 2 |
| Maximum Update Rate | 9 GSPS |
| Output Frequency Range | 0 to 4.5 GHz |
| Interpolation | 6x to 24x |
| Integrated PLL | 6 GHz and 9 GHz PLL |
| Data Interface | JESD204B |
| Output Type | Single-ended or differential |
| Architecture | RF-sampling current-steering |
| Package | 144-FCBGA (10x10 mm) |
| Operating Temperature | -40C to +85C |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (R suffix) |
| Part Status | Active |
| RoHS Status | Compliant |
DAC38RF83IAAVR 144-fcbga (10x10 mm) Pin Configuration Guide
Complete pinout information for DAC38RF83IAAVR (144-fcbga (10x10 mm) package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for DAC38RF83IAAVR.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
DAC38RF83IAAVR is suitable for 6 applications: 5G/4G Wireless Base-Station Transmitters, Wideband Radar and Electronic Warfare Signal Generation, Test and Measurement Arbitrary Waveform Generation, Cable and Broadband Signal Synthesis, Satellite Communications Upconverters, FPGA-Based SDR Transmit Platforms.
5G/4G Wireless Base-Station Transmitters
The DAC38RF83IAAVR fits wireless base-station transmit chains because its 9 GSPS update rate and 0-to-4.5 GHz direct RF output synthesize wideband, carrier-aggregated 3G/4G/5G waveforms without mixer upconversion stages. The 6x-24x interpolation lets a low-rate JESD204B FPGA link feed an RF-speed DAC, and the integrated 6 GHz/9 GHz PLL removes an external high-frequency multiplier. Placed after the FPGA transceivers with a differential RF output network and balun, it delivers the high dynamic range the DAC38RFxx datasheet cites for multi-carrier radio. Trade-off: RF-sampling operation demands careful clock jitter and thermal management at full rate.
Recommended
Wideband Radar and Electronic Warfare Signal Generation
For radar and EW transmit exciter paths, the DAC38RF83IAAVR generates chirp and agile wideband waveforms directly at L-, S-, C-band and beyond using its 0-to-4.5 GHz RF-sampling output. The dual-channel architecture supports simultaneous I/Q generation with digital upconversion via the on-chip NCO and mixer, achieving the high dynamic range required for clutter-limited detection per the TI DAC38RFxx datasheet. The -40C to +85C industrial rating suits outdoor and conformal installations. Design consideration: waveform spectral purity depends strongly on reference clock phase noise, so low-jitter clocking must be budgeted alongside DAC SFDR.
Recommended
Test and Measurement Arbitrary Waveform Generation
In AWG and RF vector signal generator front ends, the DAC38RF83IAAVR provides 14-bit resolution at 9 GSPS, letting instruments produce pulses, modulated carriers, and multi-tone signals up to 4.5 GHz natively. The JESD204B interface connects cleanly to FPGA waveform engines, and the 6x-24x interpolation filters suppress images, easing analog reconstruction filter design. The dual-channel mode enables differential or I/Q output instruments. Quantified benefit: direct RF synthesis removes mixer image and LO-leak artifacts, improving spectral purity; the trade-off is higher power and cost than IF-speed DACs, justified in premium instrumentation.
Recommended
Cable and Broadband Signal Synthesis
Cable headend and broadband distribution equipment benefit from the DAC38RF83IAAVR's ability to synthesize multi-channel and DOCSIS-class wideband signals across its 0-to-4.5 GHz output span at 9 GSPS. The high dynamic range of the DAC38RFxx family cited by TI supports high modulation-order waveforms, while on-chip mixing and interpolation let a single device replace concatenated DAC-plus-mixer stages, reducing component count and calibration effort. Outputs can be configured single-ended or differential to match hybrid or balun-coupled line drivers. Performance consideration: output power flatness at band edges must be verified in the analog network design.
Recommended
Satellite Communications Upconverters
Satcom ground terminals and transponders use the DAC38RF83IAAVR to generate IF and direct-L-band modulated carriers with 14-bit precision at up to 9 GSPS, supporting high-order QPSK through 256APSK waveforms. The on-chip PLL clocked at 6 GHz or 9 GHz simplifies the clocking tree in space-constrained terminals, and the JESD204B link provides deterministic latency needed for burst-mode transmissions. The industrial temperature grade and FCBGA mechanical robustness suit outdoor units. Design tip: SYSREF and JESD204B subclass timing must be implemented for phase-coherent multi-carrier operation across channels.
Recommended
FPGA-Based SDR Transmit Platforms
Software-defined radio developers pair the DAC38RF83IAAVR with JESD204B-capable FPGAs to build flexible wideband transmit platforms. The 8-lane-class JESD204B link, 6x-24x interpolation, and digital NCO mixing move most waveform processing into the digital domain, letting a single PCB cover HF through C-band by changing digital configuration rather than analog hardware. The 144-FCBGA footprint integrates cleanly on 10x10 mm land patterns with standard BGA assembly. Consideration: the premium unit price (about 1185 USD as of 2026-09-03) positions this part for professional SDR, not hobby designs.
Recommended
Recommended Products Summary
Engineering reference data for DAC38RF83IAAVR β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DAC38RF83IAAV | DAC38RF82IAAV | DAC38RF84IAAV | DAC38RF89IAAV |
|---|---|---|---|---|---|
| Package | 144-FCBGA (10x10) | 144-FCBGA (10x10) - same | 144-FCBGA (10x10) - same | 144-FCBGA (10x10) - same | 144-FCBGA - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Resolution | 14 bit | 14 bit | 14 bit | 14 bit | 14 bit |
| Maximum Update Rate | 9 GSPS | 9 GSPS | 9 GSPS | 9 GSPS | 9 GSPS |
| Output Frequency Range | 0 to 4.5 GHz | 0 to 4.5 GHz | 0 to 4.5 GHz | 0 to 4.5 GHz | 0 to 4.5 GHz |
| Interpolation | 6x-24x | 6x-24x | 6x-24x | 6x-24x | 6x-24x |
| Integrated PLL | 6 GHz and 9 GHz | 6 GHz and 9 GHz | 6 GHz and 9 GHz | 6 GHz and 9 GHz | 6 GHz and 9 GHz |
| Data Interface | JESD204B | JESD204B | JESD204B | JESD204B | JESD204B |
| Operating Temperature | -40C to +85C | -40C to +85C | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- True dual-channel RF synthesis in one package (vs DAC38RF82IAAV)
- Identical device with tray packing option (vs DAC38RF83IAAV)
- 6 GHz and 9 GHz PLL modes (vs DAC38J84IAAV)
Design Notes
RF-sampling DAC output quality is dominated by clock phase noise: an RMS jitter budget must be allocated so that jitter-limited SNR (approximately 20*log10(f_out/f_jitter)) does not degrade the 14-bit core. Use a low-noise oscillator and route the DAC38RF83 clock differentially with impedance control, keeping the SYSREF network length-matched to the JESD204B lanes for deterministic latency (subclass operation).
The 144-FCBGA (10x10 mm) requires a dense via field under the package for all power and ground balls; use a minimum of one via per power ball and stitch the ground plane generously to handle high transient current at 9 GSPS operation. Follow the DAC38RFxx datasheet PCB layout guidelines for stackup, ball escape routing, and keep JESD204B lanes as length-matched 100-ohm differential pairs.
Estimated: at full-rate dual-channel RF operation the device dissipates power in the multi-watt class (exact figure per datasheet); with a typical FCBGA theta-JA on a standard multilayer board, junction rise at +85C ambient can approach limits, so use 2-oz copper ground planes and thermal vias, and verify die temperature with the on-chip monitoring or calculation per datasheet thermal section before production sign-off.
Compliance Information
RoHS compliance and lead-free construction indicated by distributor listings (DigiKey, PCBElectronics). REACH and conflict-minerals status should be confirmed via the TI Quality and Environmental portal.
