DAC3174 Texas instruments

DAC3174

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DAC3174

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Описание

The DAC3174 is a dual-channel, 14-bit, 500-MSPS, digital-to-analog converter (DAC). The DAC3174 uses a 14-bit, low-voltage differential signaling (LVDS) digital bus, with one or two independent dual-data rate (DDR) data clocks for flexibility in providing data from different sources in each channel. An input first-in first out block (FIFO) allows independent data and sample clocks. FIFO input and output pointers can be synchronized across multiple devices for precise signal synchronization. The DAC outputs are current sourcing and terminate to GND with a compliance range of –0.5 V to +1 V. The DAC3174 is pin compatible with the dual-channel, 500-MSPS, 12-bit DAC3164 and 10-bit DAC3154, and the single-channel, 500-MSPS, 14-bit DAC3171, 12-bit DAC3161, and 10-bit DAC3151. The device is available in a 64-pin VQFN PowerPAD™ package. and is specified over the full industrial temperature range of –40°C to +85°C.

Dual-Channel
14-Bit Resolution
Maximum Sample Rate: 500 MSPS
Pin Compatible With Dual-Channel DAC3154, DAC3164, and Single-Channel DAC3151, DAC3161, and DAC3171
Input Interface:
- 14 LVDS Inputs
- Single, 14-Bit Interface or Dual, 7-Bit Interface
- Single or Dual DDR Data Clock
- Internal FIFO
Chip-to-Chip Synchronization
Power Dissipation: 460 mW
Spectral Performance at 20 MHz IF:
- SNR: 76 dBFS
- SFDR: 78 dBc
Current-Sourcing DACs
Compliance Range: –0.5 V to +1 V
Package: 64-Pin VQFN (9 mm × 9 mm)

Resolution (Bits)	14
Number of DAC channels	2
Interface type	DDR LVDS
Sample/update rate (Msps)	500
Features	Low Power
Rating	Catalog
Interpolation	1x
Power consumption (typ) (mW)	464
SFDR (dB)	82
Architecture	Current Source
Operating temperature range (°C)	-40 to 85
Reference type	Ext, Int