DAC34H84 Quad-Channel, 16-Bit, 1.25-GSPS, 1x-16x Interpolating Digital-to-Analog Converter (DAC) | TI.com

DAC34H84 (ACTIVE)

Quad-Channel, 16-Bit, 1.25-GSPS, 1x-16x Interpolating Digital-to-Analog Converter (DAC)

Quad-Channel, 16-Bit, 1.25-GSPS, 1x-16x Interpolating Digital-to-Analog Converter (DAC) - DAC34H84
 

Description

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.

Features

  • 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)

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Parametrics Compare all products in High Speed DACs (>10MSPS)

 
Sample / Update Rate (MSPS)
Features
Internal PLL
Resolution (Bits)
DAC Channels
Interface
SFDR (dB)
Supply Voltage(s) (V)
Power Consumption (Typ) (mW)
Operating Temperature Range (C)
Package Group
Package Size: mm2:W x L (PKG)
Rating
Interpolation
Architecture
Output Type
Reference: Type
DAC34H84 DAC3482 DAC3484 DAC34SH84
1250     1250     1250     1500    
Ultra High Speed     Ultra High Speed     Ultra High Speed     Ultra High Speed    
Yes     Yes     Yes     Yes    
16     16     16     16    
4     2     4     4    
Parallel LVDS     Parallel LVDS     Parallel LVDS     DDR LVDS
Parallel LVDS    
82     82     82     80    
1.2, 3.3     1.2, 3.3     1.2, 3.3     1.3, 1.35, 3.3    
1440     800     1200     1448    
-40 to 85     -40 to 85     -40 to 85     -40 to 85    
NFBGA     NFBGA
WQFN-MR    
NFBGA
WQFN-MR    
NFBGA    
196NFBGA: 144 mm2: 12 x 12(NFBGA)     196NFBGA: 144 mm2: 12 x 12(NFBGA)
88WQFN-MR: 81 mm2: 9 x 9(WQFN-MR)    
196NFBGA: 144 mm2: 12 x 12(NFBGA)
88WQFN-MR: 81 mm2: 9 x 9(WQFN-MR)    
196NFBGA: 144 mm2: 12 x 12(NFBGA)    
Catalog     Catalog     Catalog     Catalog    
16x
1x
2x
4x
8x    
16x
1x
2x
4x
8x    
16x
1x
2x
4x
8x    
16x
1x
2x
4x
8x    
Current Source     Current Source     Current Source     Current Source    
Differential     Differential     Differential     Differential    
Int     Int     Int     Int