DAC3482 - 2 通道、16 位、1.25GSPS 数模转换器

DAC3482是TI德州仪器公司的一款高速DAC(>10MSPS)产品，DAC3482是2 通道、16 位、1.25GSPS 数模转换器，本站介绍了DAC3482的封装应用图解、特点和优点、功能等，并给出了与DAC3482相关的TI元器件型号供参考。

DAC3482 - 2 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: 900 mW at 1.25 GSPS, Full Operating Conditions
Multi-DAC Synchronization
Selectable 2x, 4x, 8x, 16x Interpolation Filter
- Stop-Band Attenuation > 90 dBc
Flexible On-Chip Complex Mixing
- Fine Mixer with 32-Bit NCO
- Power Saving Coarse Mixer: ± 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 Filter
Flexible LVDS Input Data Bus
- Word- or Byte-Wide Interface
- 8 Sample Input FIFO
- Data Pattern Checker
- Parity Check
Temperature Sensor
Differential Scalable Output: 10 mA to 30 mA
Multiple Package Options: 88-Pin 9x9mm WQFN-MR and 196-ball 12mmx12mm NFBGA (GREEN / Pb-Free)

产品应用

Cellular Base Stations
Diversity Transmit
Wideband Communications

产品说明

The DAC3482 is a very low power, high dynamic range, dual-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. A complex mixer allows 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 flexible LVDS data bus with on-chip termination. Data can be input either word-wide or byte-wide. 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 very-small 88-pin 9x9mm WQFN-MR package or 196-ball 12x12mm NFBGA package.

Very low power, small size, superior crosstalk, high dynamic range, and features of the DAC3482 make it an ideal fit for today’s communication systems.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
DAC3482	WQFN-MR (88)	9.00 mm x 9.00 mm
DAC3482	NFBGA (196)	12.00 mm x 12.00 mm

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