DAC34H84 - 4 通道 16 位 1.25GSPS 数模转换器

DAC34H84是TI德州仪器公司的一款高速DAC(>10MSPS)产品，DAC34H84是4 通道 16 位 1.25GSPS 数模转换器，本站介绍了DAC34H84的封装应用图解、特点和优点、功能等，并给出了与DAC34H84相关的TI元器件型号供参考。

DAC34H84 - 4 通道 16 位 1.25GSPS 数模转换器 - 高速DAC(>10MSPS) - 数模转换器 - 德州仪器

产品特性

Very Low Power: 1.4 W at 1.25 GSPS
Multi-DAC Synchronization
Selectable 2x, 4x, 8x, 16x Interpolation Filter
- Stop-Band Attenuation > 90 dBc
Flexible On-chip Complex Mixing
- Two Independent Fine Mixers with 32-bit NCOs
- Power Saving Coarse Mixers: ± n×Fs/8
High Performance, Low Jitter Clock Multiplying PLL
Digital I and Q Correction
- Gain, Phase, Offset, and Group Delay Correction
Digital Inverse Sinc Filters
32-Bit DDR Flexible LVDS Input Data Bus
- 8 Sample Input FIFO
- Supports Data Rates up to 625 MSPS
- Data Pattern Checker
- Parity Check
Temperature Sensor
Differential Scalable Output: 10mA to 30mA
196-Ball, 12x12mm NFBGA (GREEN / Pb-Free)

产品应用

Cellular Base Stations
Diversity Transmit
Wideband Communications

产品说明

The DAC34H84 is a very low power, high dynamic range, quad-channel, 16-bit digital-to-analog converter (DAC) with a sample rate as high as 1.25 GSPS.

The device includes features that simplify the design of complex transmit architectures: 2x to 16x digital interpolation filters with over 90 dB of stop-band attenuation simplify the data interface and reconstruction filters. Independent complex mixers allow flexible carrier placement.

A high-performance low jitter clock multiplier simplifies clocking of the device without significant impact on the dynamic range. The digital Quadrature Modulator Correction (QMC) enables complete IQ compensation for gain, offset, phase and group delay between channels in direct up-conversion applications.

Digital data is input to the device through a 32-bit wide LVDS data bus with on-chip termination. The wide bus allows the processing of very high bandwidth signals. The device includes a FIFO, data pattern checker and parity test to ease the input interface. The interface also allows full synchronization of multiple devices.

The device is characterized for operation over the entire industrial temperature range of –40°C to 85°C and is available in a 196-ball, 12x12mm, 0.8mm pitch BGA package.

The DAC34H84 very low power, high bandwidth support, superior crosstalk, high dynamic range and features are an ideal fit for next generation communication systems.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
DAC34H84	NFBGA (196)	12.00 mm x 12.00 mm

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