company blog about Supply TI DAC Product:High-Speed DAC,Precision DAC,RF Transmitter

Supply TI DAC Product:High-Speed DAC,Precision DAC,RF Transmitter

Shenzhen Mingjiada Electronics Co., Ltd., a globally renowned distributor of electronic components, specialises in providing a wide range of high-quality electronic components and assemblies. With many years of industry experience, a stock of over 2 million SKUs and an international supply chain network, the company offers a ‘one-stop’ procurement service for switching products to customers across multiple industries.

Service Advantages

A stock of 2 million SKUs, ensuring a rapid response to demand

Ultra-short lead times of 1–3 days

Highly competitive pricing strategy

100% genuine product guarantee

ISO 9001:2014 Quality Management System certification

Comprehensive after-sales service system

I. TI High-Speed DAC Products

The core performance metrics of high-speed DACs are ultra-high sampling rates and ultra-wideband signal output capability. They specialise in high-frequency, wideband and high-speed dynamic signal conversion, and are specifically designed for applications requiring instantaneous high bandwidth and high refresh rate signal generation. By overcoming the speed limitations of traditional DACs, they enable direct high-frequency signal output without the need for complex external frequency conversion circuits, thereby significantly simplifying system architecture. TI’s high-speed DAC products are centred on an RF sampling architecture, balancing high data rates with high dynamic performance, and serve as core components in broadband wireless communications, millimetre-wave radar and arbitrary waveform generators.

1. Key Technical Features

TI’s high-speed DACs generally employ an advanced RF sampling architecture and dual-edge sampling technology, supporting ultra-high data throughput rates. Coupled with a low-power JESD204B high-speed serial interface, they offer exceptional stability during multi-channel co-operation. The products support multiple Nyquist-interval operating modes, enabling an extended high-frequency signal output range. They also integrate digital interpolation and digital up-conversion (DUC) functions, effectively enhancing signal bandwidth and spectral purity whilst suppressing harmonic distortion. Compared to traditional general-purpose DACs, TI’s high-speed DACs maintain excellent dynamic range and low spurious performance even at ultra-high sampling rates, meeting the requirements for the precise generation of high-frequency broadband signals.

2. Leading Representative Models

The DAC39RF series is TI’s flagship range of high-end, high-speed DACs. The DAC39RF10 supports ultra-high sampling rates of 20.48 GSPS in single-channel mode and 10.24 GSPS in dual-channel mode, with 16-bit high-precision resolution. It can generate signals with carrier frequencies exceeding 8 GHz, covering high-frequency applications in the C-band and X-band; The advanced DAC39RF20 model achieves single-edge sampling rates of 22 GSPS and dual-edge rates of 44 GSPS. It features a 16-channel, 32.5 Gbps high-speed transmission interface and supports automatic clock and SYSREF calibration and tracking, making it suitable for ultra-high-speed signal transmission applications.

Furthermore, the DAC38RF8x series comprises general-purpose, high-speed mass-production models. The 14-bit resolution version supports single-channel sampling rates of 9 GSPS and dual-channel rates of 3.33 GSPS, enabling the synthesis of wideband signals from 0 to 4.5 GHz with excellent dynamic range. It is widely used in large-scale applications such as 3G/4G base stations and civilian radar systems.

3. Typical Application Scenarios

Primarily used in 5G/6G broadband communication base stations, millimetre-wave radar, satellite communications, high-speed arbitrary waveform generators and electronic countermeasures equipment, these devices meet the requirements for ultra-wideband, high-frequency and high-speed analogue signal output, enabling equipment to achieve wide-bandwidth signal transmission and high-precision, high-frequency signal detection.

II. TI High-Precision DAC Products

High-precision DACs offer ultimate conversion accuracy, ultra-low offset error, ultra-high linearity and long-term stability as their core advantages. They sacrifice some conversion speed in exchange for precise digital-to-analogue conversion capabilities, focusing on low-speed, static and microvolt-level precision signal output scenarios. TI’s high-precision DACs cover the ultra-high resolution range from 12 to 20 bits, featuring extremely low integral non-linearity (INL) and differential non-linearity (DNL) errors, as well as excellent temperature and time drift performance, making them the device of choice for precision industrial control, instrumentation and sensor calibration applications.

1. Key Technical Features

TI’s high-precision DACs utilise a segmented architecture and laser trimming processes to effectively reduce conversion error; most models offer zero-drift operation with optional single-channel or multi-channel configurations. The products support microvolt-level precision voltage output and possess excellent temperature stability, with minimal error variation across a wide operating temperature range. They also integrate programmable gain and offset calibration functions, enabling high-precision signal output without the need for external calibration circuits. Some high-end models are equipped with non-volatile memory capable of storing user calibration parameters, which take effect automatically upon power-up, significantly enhancing equipment commissioning efficiency and long-term operational accuracy.

2. Key Product Advantages

Compared to similar products in the industry, the key advantages of TI’s high-precision DACs lie in their accuracy consistency and long-term reliability. The entire product range features strictly controlled INL and DNL errors, with high-end 20-bit models achieving near-ideal linear conversion characteristics. They also offer ultra-low noise and ultra-low drift, making them suitable for laboratory-grade precision measurement and industrial-grade long-term stable control applications, whilst mitigating accuracy degradation caused by temperature variations, voltage fluctuations and long-term ageing. Furthermore, the products feature low power consumption and compact packaging, making them ideal for portable precision equipment and high-density industrial control systems.

3. Typical Application Scenarios

Widely used in precision industrial measurement and control, high-precision laboratory instruments, sensor calibration systems, medical electronic equipment, precision power supply voltage regulation, and aerospace attitude control, these products are primarily employed to generate precise reference voltages and analogue control signals, ensuring the accuracy and stability of equipment measurement, control and calibration.

III. TI RF Transmitter (Integrated DAC RF Transmitter Chip)

TI’s RF transmitter is not merely a DAC chip, but rather an integrated RF transmitter chip combining a high-speed DAC, digital up-conversion, RF amplification and gain adjustment; it is a highly integrated RF analogue front-end (AFE) product. These devices integrate digital signal processing, high-speed digital-to-analogue conversion, and RF signal amplification and regulation functions onto a single chip, drastically simplifying the design of RF transmission chains. Combining high speed, high frequency and high integration, they serve as core integrated components in modern wireless communication and RF sensing equipment.

1. Core Architecture and Technical Features

The core architecture of TI’s RF transmitters centres on a high-speed GSPS-class DAC as the output core, with built-in multi-channel digital up-converters (DUCs), interpolation filters and variable-gain amplifiers (TX DSA), supporting independent multi-channel signal output. The chip supports operation across multiple Nyquist intervals and utilises mixed-mode output technology to extend high-frequency signal output capabilities. Gain adjustment accuracy reaches 0.125 dB, with a dynamic gain adjustment range of up to 40 dB, enabling precise control of RF signal output power. It also features a high-speed JESD204B interface that supports wide-bandwidth digital signal input, whilst integrating clock calibration and phase synchronisation functions to ensure excellent phase consistency across multiple channels.

2. Leading Model Series

The AFE79xx and AFE8000 series are TI’s flagship RF transmitter products. Among these, the AFE7903 and AFE7953 support a maximum single-channel signal bandwidth of 400 MHz and are equipped with a 12 GSPS high-speed DAC core, making them suitable for small- to medium-scale broadband RF transmission applications; The high-end model, the AFE7989, supports an ultra-wide signal bandwidth of up to 1,200 MHz per channel, enabling the synchronised transmission of multi-carrier signals, making it suitable for ultra-wideband communication applications.

The AFE8004, as a high-end multi-channel RF transceiver, integrates an 8-channel RF sampling architecture paired with a high-performance 12 GSPS DAC. It supports stable operation in the second Nyquist zone and is specifically designed for large-scale base station array RF transmission scenarios, offering industry-leading integration and compatibility.

3. Key Advantages and Application Scenarios

Compared to RF transmit chains built using discrete components, TI’s integrated RF transmitters significantly reduce the number of peripheral components, lower PCB layout complexity and system power consumption, and shorten product development cycles. The chip combines high-speed signal conversion, precise RF control and multi-channel synchronous operation capabilities, delivering high signal purity and strong harmonic suppression.

It is primarily used in 5G/6G macro base stations, small cells, RF array transmission systems, satellite communication terminals, high-frequency radar signal transmission, and wireless RF test equipment, serving as a core integrated solution for commercial broadband communications and high-end RF test equipment.

IV. Summary of Key Differences in the Selection of the Three Product Categories

1. High-speed DAC: Focuses on ultra-high sampling rates and ultra-wide bandwidth; its core value lies in high-speed, high-frequency signal conversion. It does not incorporate integrated functions such as RF amplification and is suitable for high-speed signal generation scenarios requiring the independent construction of RF links;

2. High-precision DACs: These emphasise extreme precision and ultra-low error, with relatively low sampling rates. Their core value lies in the output of precise static or low-speed analogue signals, and they are tailored for measurement and control, calibration, and precision instrumentation applications;

3. RF transmitters: These feature highly integrated RF transmission chains, incorporating high-speed DACs and RF modulation modules, combining high-speed processing with RF transmission capabilities. They are suitable for standardised and integrated wireless RF transmission applications.