DAC38RF83 - Dual 14-Bit 9-GSPS RF-Sampling DAC | TI
MPN: DAC38RF83 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $89.5 | $89.50 |
| 10 | $82.3 | $823.00 |
| 100 | $74.1 | $7,410.00 |
| 500 | $66.9 | $33,450.00 |
| 1,000 | $59.7 | $59,700.00 |
Drop-in alternatives for DAC38RF83 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:
DAC38RF83IAAVR
β Drop-Inπ Reference alternative (not in catalog)
DAC38RF82
β Drop-Inπ Reference alternative (not in catalog)
DAC38RF84
β Drop-Inπ Reference alternative (not in catalog)
AD9172BBCZ
β‘ Same Packageβ In Stock
$59.7 / Unit
View Datasheet βAD9174BBCZ
β‘ Same Packageβ In Stock
Contact for price
View Datasheet βDAC38RF83 Maximum Ratings & Electrical Characteristics
| Resolution | 14 bit |
| Sampling Rate | 9 GSPS |
| Number of Channels | 2 |
| Interpolation Factor | 6x to 24x |
| Output Frequency Range | 0 to 4.5 GHz |
| Interface Type | JESD204B |
| JESD204B Data Rate | Up to 12.5 Gbps per lane |
| On-Chip PLL | 6 GHz and 9 GHz |
| Output Type | Single-ended or differential |
| Package | 144-FCBGA (10x10 mm) |
| Supply Voltage | 1.0V, 1.8V, 3.3V |
| Settling Time | 1 ns |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] |
| RoHS | Compliant |
| Mounting Type | Surface Mount |
DAC38RF83 Pin Configuration
| Pin A1 | DAC0P β DAC0 positive output |
| Pin A2 | DAC0N β DAC0 negative output |
| Pin B1 | DAC1P β DAC1 positive output |
| Pin B2 | DAC1N β DAC1 negative output |
| Pin C1 | AVDD β Analog power supply |
| Pin C2 | AVSS β Analog ground |
| Pin D1 | CLKP β Positive clock input |
| Pin D2 | CLKN β Negative clock input |
| Pin E1 | SERDES0P β JESD204B serial data positive |
| Pin E2 | SERDES0N β JESD204B serial data negative |
| Pin F1 | SERDES1P β JESD204B serial data positive |
| Pin F2 | SERDES1N β JESD204B serial data negative |
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
DAC38RF83 is suitable for 6 applications: Wireless Base Stations, Radar Systems, Software-Defined Radio, Broadband Test Equipment, Military Communications, Satellite Communication.
Wireless Base Stations
The DAC38RF83 is ideal for 3G/4G/5G wireless base stations, where its 9-GSPS sampling rate and 4.5 GHz output frequency enable direct RF synthesis of wideband signals. It supports complex modulation schemes like OFDM, and its high dynamic range ensures signal integrity. The integrated PLL reduces external clock components, simplifying the transceiver design. With dual channels, it can support MIMO or diversity transmission, improving spectral efficiency. The JESD204B interface simplifies data transfer from the baseband processor, reducing pin count and PCB complexity.
Recommended
Radar Systems
In radar systems, the DAC38RF83 generates wideband chirp signals for frequency-modulated continuous wave (FMCW) radar. Its 14-bit resolution and 9-GSPS sampling rate provide high range resolution and accurate target detection. The ability to synthesize signals up to 4.5 GHz allows direct generation of X-band radar signals without upconversion. The dual-channel capability supports phased-array radar with multiple transmit channels. The on-chip PLL ensures low phase noise, critical for coherent radar operation. The JESD204B interface enables high-speed data transfer from the radar processor.
Recommended
Software-Defined Radio
The DAC38RF83 is well-suited for software-defined radio (SDR) platforms, where it can generate a wide range of frequencies from 0 to 4.5 GHz. Its high sampling rate and interpolation flexibility allow it to adapt to different communication standards. The dual-channel output supports MIMO SDR systems. The integrated PLL reduces the need for external frequency synthesis, simplifying the design. The JESD204B interface provides a clean digital interface to FPGAs or DSPs. This makes the DAC38RF83 a versatile choice for cognitive radio and spectrum monitoring applications.
Recommended
Broadband Test Equipment
The DAC38RF83 is used in broadband test equipment such as arbitrary waveform generators and signal generators. Its 9-GSPS sampling rate and 14-bit resolution enable the generation of high-fidelity wideband signals for testing communication systems. The ability to synthesize signals up to 4.5 GHz covers a wide range of RF test applications. The dual-channel output allows simultaneous generation of I/Q signals. The on-chip PLL provides a stable clock, reducing jitter. The JESD204B interface simplifies integration with test controllers.
Recommended
Military Communications
In military communications, the DAC38RF83 provides secure and reliable wideband signal generation. Its high dynamic range and low noise are essential for secure communication links. The ability to synthesize signals up to 4.5 GHz supports frequency hopping and spread-spectrum techniques. The dual-channel capability enables diversity transmission for improved link reliability. The integrated PLL reduces the component count, enhancing system robustness. The JESD204B interface ensures secure data transfer between the encryption module and the DAC.
Recommended
Satellite Communication
The DAC38RF83 is used in satellite communication ground stations for generating wideband signals for uplink transmission. Its 9-GSPS sampling rate and 4.5 GHz output frequency support high-throughput satellite links. The dual-channel output allows simultaneous transmission of multiple carriers. The high dynamic range ensures signal quality over long distances. The on-chip PLL provides a stable clock, critical for maintaining frequency accuracy. The JESD204B interface simplifies the interface with the modem.
Recommended
Recommended Products Summary
Engineering reference data for DAC38RF83 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DAC38RF83IAAVR | DAC38RF82 | DAC38RF84 |
|---|---|---|---|---|
| Package | 144-FCBGA (10x10 mm) | 144-FCBGA (10x10 mm) | 144-FCBGA (10x10 mm) | 144-FCBGA (10x10 mm) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Resolution | 14 bit | 14 bit | 14 bit | 14 bit |
| Sampling Rate | 9 GSPS | 9 GSPS | 9 GSPS | 9 GSPS |
| Number of Channels | 2 | 2 | 1 | 1 |
| Interpolation Factor | 6x to 24x | 6x to 24x | 6x to 24x | 6x to 24x |
| Output Frequency Range | 0 to 4.5 GHz | 0 to 4.5 GHz | 0 to 4.5 GHz | 0 to 4.5 GHz |
| Interface | JESD204B | JESD204B | JESD204B | JESD204B |
Key Differentiators
- Dual-channel 14-bit 9-GSPS RF-sampling DAC (vs DAC38RF82)
- Integrated PLL with 6 and 9 GHz options (vs AD9172)
- JESD204B interface with up to 12.5 Gbps per lane (vs AD9174)
Design Notes
The DAC38RF83 requires multiple supply rails: 1.0V, 1.8V, and 3.3V. Use low-noise LDOs for the analog supplies to minimize noise coupling into the DAC output. Decouple each supply pin with 0.1uF and 10uF capacitors placed as close to the pins as possible. The 1.0V core supply is critical; ensure it is clean and stable to achieve the specified dynamic performance.
For the RF output traces, use controlled impedance (50 ohm) microstrip or stripline. Keep the traces as short as possible and avoid vias to minimize signal loss. The JESD204B high-speed serial lanes should be routed with differential pairs, maintaining 100-ohm differential impedance. Follow the layout guidelines in the TI datasheet for optimal performance.
The DAC38RF83 in a 144-FCBGA package can dissipate significant power, especially at high sampling rates. Ensure adequate thermal management by providing a thermal pad connected to a large ground plane. Use thermal vias to conduct heat to the opposite side of the PCB. The operating temperature range is [DATA_NEEDED], so verify the thermal design for your specific environment.
Compliance Information
RoHS compliant per TI product page. AEC-Q100 not applicable for this non-automotive part.
