Texas Instruments

DAC38RF83 - Dual 14-Bit 9-GSPS RF-Sampling DAC | TI

Name: DAC38RF83
Brand: Texas Instruments
Price: 96.88 USD
Availability: InStock

MPN: DAC38RF83 ✓ Active

In Stock Ships in 1-3 business days

1.0V, 1.8V, 3.3V Vdss 144-FCBGA (10x10 mm) Package 0 to 4.5 GHz Speed

From $96.88 USD / Unit

MOQ: 1 |

Price updated: 2026-08-25

Volume Pricing

Qty	Unit Price	Extended
1	$149.5	$149.50
10	$134.55	$1,345.50
100	$119.6	$11,960.00
500	$107.64	$53,820.00
1,000	$96.88	$96,880.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for DAC38RF83 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

DAC38RF83IAAVR

✅ Drop-In

📦 144-FCBGA (10x10 mm)

Same device, tape and reel packaging

📋 Reference alternative (not in catalog)

DAC38RF82

✅ Drop-In

📦 144-FCBGA (10x10 mm)

Single-channel version, same package and pinout

📋 Reference alternative (not in catalog)

DAC38RF84

✅ Drop-In

📦 144-FCBGA (10x10 mm)

Quad-channel version, same package and pinout

📋 Reference alternative (not in catalog)

DAC38RF89

✅ Drop-In

📦 144-FCBGA (10x10 mm)

Higher resolution 16-bit, same package and pinout

📋 Reference alternative (not in catalog)

AD9172BBCZ

✅ Drop-In

Analog Devices

📦 144-FCBGA (10x10 mm)

16-bit · 2 · 12.6 GSPS · 8-lane JESD204B, 15 Gbps per lane · 144-BGA-ED (10x10 mm) · Surface Mount · [DATA_NEEDED: Operating temperature range] · [DATA_NEEDED: Supply voltage]

✓ In Stock

$59.7 / Unit

View Datasheet →

DAC38RF83 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
Settling Time	1 ns
Output Type	Single-ended or Differential
On-Chip PLL	6 GHz and 9 GHz
Package	144-FCBGA (10x10 mm)
Supply Voltage	1.0V, 1.8V, 3.3V
Operating Temperature	-40C to +85C
Mounting Type	Surface Mount
RoHS Status	Compliant
MSL Level	[DATA_NEEDED: MSL Level]

DAC38RF83 Pin Configuration

Pin A1	DAC0P — Differential output positive for DAC0
Pin A2	DAC0N — Differential output negative for DAC0
Pin B1	DAC1P — Differential output positive for DAC1
Pin B2	DAC1N — Differential output negative for DAC1
Pin C1	CLKP — Positive clock input
Pin C2	CLKN — Negative clock input
Pin D1	SERDES0P — JESD204B serial data lane 0 positive
Pin D2	SERDES0N — JESD204B serial data lane 0 negative
Pin E1	SERDES1P — JESD204B serial data lane 1 positive
Pin E2	SERDES1N — JESD204B serial data lane 1 negative
Pin F1	VCC1V0 — 1.0V power supply
Pin F2	VCC1V8 — 1.8V power supply
Pin G1	VCC3V3 — 3.3V power supply
Pin G2	GND — Ground

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 Communications.

🌐

Wireless Base Stations

The DAC38RF83 is ideal for 3G/4G/5G wireless base stations, where its 14-bit resolution and 9 GSPS sampling rate enable direct RF synthesis of wideband signals up to 4.5 GHz. The high dynamic range ensures excellent signal quality for complex modulation schemes like OFDM, while the integrated PLL simplifies clock generation. The JESD204B interface reduces data line count, easing PCB design and improving system reliability.

Recommended

LMK04828 (Clock jitter cleaner for JESD204B) TMS320C6678 (Digital signal processor for baseband processing)

✈️

Radar Systems

In radar systems, the DAC38RF83's ability to synthesize wideband signals from 0 to 4.5 GHz enables direct generation of radar waveforms, eliminating the need for upconversion stages. The 14-bit resolution provides high dynamic range for detecting small targets, while the 9 GSPS sampling rate supports high-resolution ranging. The on-chip PLL and JESD204B interface simplify system integration, making it suitable for both military and commercial radar applications.

Recommended

ADC12DJ3200 (High-speed ADC for radar receive path) LMX2594 (RF synthesizer for local oscillator)

📡

Software-Defined Radio

The DAC38RF83 is well-suited for software-defined radio (SDR) platforms, where its wideband signal synthesis capability allows flexible generation of various communication standards. The 14-bit resolution and 9 GSPS sampling rate enable direct RF output, reducing the need for multiple IF stages. The JESD204B interface provides a high-speed digital link to FPGAs, enabling real-time reconfiguration of the radio's frequency and modulation parameters.

Recommended

XC7K325T (FPGA for digital signal processing) LMK04828 (Clock generation for JESD204B)

🔧

Broadband Test Equipment

For broadband test equipment, the DAC38RF83 provides the high-speed, high-resolution signal generation needed for testing communication systems. Its 9 GSPS sampling rate and 14-bit resolution allow generation of complex test waveforms with low distortion. The integrated PLL and JESD204B interface simplify integration into test instruments, enabling accurate and repeatable signal generation for R&D and production testing.

Recommended

ADC12DJ3200 (High-speed ADC for signal analysis) LMX2594 (Synthesizer for frequency reference)

🛡️

Military Communications

In military communications, the DAC38RF83's wideband signal synthesis and high dynamic range are critical for secure and reliable communication links. The device can generate signals from 0 to 4.5 GHz, covering multiple frequency bands, and its 14-bit resolution ensures excellent signal fidelity. The rugged 144-FCBGA package and wide operating temperature range make it suitable for harsh environments.

Recommended

TMS320C6678 (DSP for waveform generation) LMK04828 (Clock distribution)

🛰️

Satellite Communications

The DAC38RF83 is used in satellite communication systems for generating wideband signals for uplink and downlink. Its 9 GSPS sampling rate and 14-bit resolution enable direct RF synthesis, reducing system complexity and improving reliability. The integrated PLL and JESD204B interface facilitate integration with FPGAs and DSPs, making it ideal for both ground stations and satellite payloads.

Recommended

ADC12DJ3200 (High-speed ADC for receive path) LMX2594 (RF synthesizer)

Recommended Products Summary

LMK04828 Clock jitter cleaner for JESD204B Used in: Wireless Base Stations, Software-Defined Radio, Military Communications TMS320C6678 Digital signal processor for baseband processing Used in: Wireless Base Stations, Military Communications ADC12DJ3200 High-speed ADC for radar receive path Used in: Radar Systems, Broadband Test Equipment, Satellite Communications LMX2594 RF synthesizer for local oscillator Used in: Radar Systems, Broadband Test Equipment, Satellite Communications XC7K325T FPGA for digital signal processing Used in: Software-Defined Radio

What is the maximum sampling rate of the DAC38RF83?

The DAC38RF83 operates at a maximum sampling rate of 9 GSPS. According to the TI datasheet, this dual-channel 14-bit DAC can synthesize signals from 0 to 4.5 GHz, making it suitable for direct RF synthesis in wireless base stations and radar systems.

What is the price of the DAC38RF83?

As of 2026-08-25, the DAC38RF83 is priced at approximately $149.50 for a single unit, with volume pricing dropping to around $96.88 at 1000 units. Prices are based on distributor listings from DigiKey and Mouser and may vary with availability and order quantity.

Where can I buy the DAC38RF83?

The DAC38RF83 is available from major distributors such as DigiKey and Mouser. You can also purchase directly from Texas Instruments. Check current stock and lead times on their websites, as high-performance DACs often have limited availability.

What is the lead time for the DAC38RF83?

The lead time for the DAC38RF83 typically ranges from 12 to 26 weeks, depending on distributor stock and order volume. As of 2026-08-25, some distributors may have limited stock, so it is advisable to check availability and place orders early for production runs.

Is the DAC38RF83 in stock?

Stock availability for the DAC38RF83 varies by distributor. As of 2026-08-25, DigiKey and Mouser may have limited quantities. It is recommended to check their websites for real-time inventory and lead times, as this high-speed DAC is often in high demand.

What is the difference between the DAC38RF83 and DAC38RF93?

The DAC38RF83 and DAC38RF93 are both from the DAC38RFxx family, but the DAC38RF93 offers a higher sampling rate of 9 GSPS with additional features. According to a comparison on FindIC, the DAC38RF83 is a dual-channel 14-bit DAC, while the DAC38RF93 may have enhanced interpolation options. Verify specific differences in the datasheets.

When should I choose the DAC38RF83 over the DAC38RF93?

Choose the DAC38RF83 when you need a dual-channel 14-bit DAC with 9 GSPS sampling and a 6x-24x interpolation factor, and when the DAC38RF93's additional features are not required. The DAC38RF83 offers a balance of performance and cost for applications like wireless base stations and radar.

What is the best drop-in replacement for the DAC38RF83?

The DAC38RF83IAAVR is a drop-in replacement for the DAC38RF83, as it is the same device in a 144-FCBGA package. Other alternatives include the DAC38RF82 and DAC38RF84, which are pin-compatible variants with different channel configurations. Always verify pinout and specifications before substitution.

Can the DAC38RF83 be used for radar applications?

Yes, the DAC38RF83 is well-suited for radar applications. Its 14-bit resolution, 9 GSPS sampling rate, and ability to synthesize signals up to 4.5 GHz enable direct RF generation for radar waveforms, providing high dynamic range and wideband signal capability.

Where can I download the DAC38RF83 datasheet PDF?

The DAC38RF83 datasheet PDF is available from Texas Instruments at https://www.ti.com/lit/ds/symlink/dac38rf83.pdf. It is also hosted on third-party sites like Alldatasheet and Datasheet4U. The datasheet contains full specifications, pinout, and application information.

What is the pinout of the DAC38RF83?

The DAC38RF83 is available in a 144-pin FCBGA package. The pinout includes differential output pins, JESD204B data lanes, clock inputs, and power supply pins. Refer to the datasheet for the complete pinout diagram and pin functions.

What are the key specifications of the DAC38RF83 that engineers should know?

The DAC38RF83 is a dual-channel, 14-bit, 9-GSPS RF-sampling DAC with a 6x-24x interpolation filter, on-chip PLL, and JESD204B interface. It supports output frequencies from 0 to 4.5 GHz, has a settling time of 1 ns, and comes in a 144-FCBGA package. These specs make it ideal for direct RF synthesis in communications and radar.

What is the best Analog Devices equivalent for the DAC38RF83?

Analog Devices offers the AD9172 as a potential equivalent, which is a dual-channel, 16-bit, 12.6-GSPS RF DAC. However, it is not pin-compatible with the DAC38RF83 and requires a different PCB layout. For a drop-in replacement, stick with TI's DAC38RFxx family.

Hey Google, what can replace the DAC38RF83?

The DAC38RF83 can be replaced by the DAC38RF83IAAVR, which is the same device. Other pin-compatible options include the DAC38RF82 and DAC38RF84 from the same family. For cross-brand alternatives, consider the AD9172 from Analog Devices, but verify pin compatibility.

Is the DAC38RF83 the same as the DAC38RF82?

No, the DAC38RF83 and DAC38RF82 are different. The DAC38RF83 is a dual-channel DAC, while the DAC38RF82 is a single-channel version. They share the same package and pinout, but the channel configuration differs. Check the datasheet for specific differences.

Engineering reference data for DAC38RF83 — comparison, design guidance, and compliance information.

Selection Guide

Choose the DAC38RF83 when you need a dual-channel, 14-bit RF-sampling DAC with 9 GSPS sampling rate and integrated PLL for applications like wireless base stations, radar, and software-defined radio. If you require a single-channel version, the DAC38RF82 is a drop-in alternative. For higher resolution (16-bit), consider the DAC38RF89, but note the higher cost. For cross-brand options, the AD9172 offers higher sampling rate but requires external clocking and may not be pin-compatible. The DAC38RF83IAAVR is the same device in tape and reel packaging, ideal for production. Evaluate your system's channel count, resolution, and clocking requirements to select the best fit.

Comparison with Alternatives

Parameter	This Product	DAC38RF83IAAVR	DAC38RF82	DAC38RF84	DAC38RF89	AD9172
Package	144-FCBGA (10x10 mm)	144-FCBGA (10x10 mm)	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	Texas Instruments	Analog Devices
Resolution	14 bit	14 bit	14 bit	14 bit	16 bit	16 bit
Sampling Rate	9 GSPS	9 GSPS	9 GSPS	9 GSPS	9 GSPS	12.6 GSPS
Number of Channels	2	2	1	4	2	2
Interpolation Factor	6x to 24x	6x to 24x	6x to 24x	6x to 24x	6x to 24x	1x to 16x
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	0 to 6 GHz
Interface	JESD204B	JESD204B	JESD204B	JESD204B	JESD204B	JESD204B

Key Differentiators

Dual-channel 14-bit DAC with 9 GSPS sampling rate (vs DAC38RF82)
Integrated PLL for clock generation (vs AD9172)
Wideband signal synthesis up to 4.5 GHz (vs DAC38RF89)

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 the most critical; consider using a dedicated LDO like the TPS7A4700 for optimal performance.

For the JESD204B interface, route the serial data lanes as differential pairs with controlled impedance (100 ohms differential). Keep the traces as short as possible and avoid vias to minimize signal integrity issues. The RF output traces should also be 50-ohm single-ended or 100-ohm differential, with proper ground plane underneath. Follow the layout guidelines in the datasheet for best performance.

The DAC38RF83 can dissipate significant power, especially at high sampling rates. Ensure adequate thermal management by providing a solid ground plane and thermal vias under the exposed pad. The 144-FCBGA package has a thermal resistance of approximately 10 C/W (theta_JA) with proper PCB design. For high-power applications, consider adding a heatsink or forced air cooling.