AD9117:  Dual, 14-Bit Low Power Digital-to-Analog Converter

The AD9114/AD9115/AD9116/AD9117 are pin-compatible dual, 8-/10-/12-/14-bit, low power digital-to-analog converters (DACs) that provide a sample rate of 125 MSPS. These TxDAC® converters are optimized ...More

AD9117:  Dual, 14-Bit Low Power Digital-to-Analog Converter

Product Description

The AD9114/AD9115/AD9116/AD9117 are pin-compatible dual, 8-/10-/12-/14-bit, low power digital-to-analog converters (DACs) that provide a sample rate of 125 MSPS. These TxDAC® converters are optimized for the transmit signal path of commu-nication systems. All the devices share the same interface, LFCSP, and pinout, providing an upward or downward component selection path based on performance, resolution, and cost.

The AD9114/AD9115/AD9116/AD9117 offer exceptional ac and dc performance and support update rates up to 125 MSPS.

The flexible power supply operating range of 1.8 V to 3.6 V and low power dissipation of the AD9114/AD9115/AD9116/AD9117 make them well-suited for portable and low power applications.

Features

  • Power dissipation @ 3.3 V, 20 mA output
    191 mW @ 10 MSPS
    232 mW @ 125 MSPS
  • Sleep mode: <3 mW @ 3.3 V
  • Supply voltage: 1.8 V to 3.3 V
  • SFDR to Nyquist
    86 dBc @ 1 MHz output
    85 dBc @ 10 MHz output
  • AD9117 NSD @ 1 MHz output, 125 MSPS, 20mA: −162 dBc/Hz
  • Differential current outputs: 4 mA to 20 mA
  • Two on-chip auxiliary DACs
  • CMOS inputs with single-port operation
  • Output common mode: adjustable 0 V to 1.2 V
  • Small footprint 40-lead LFCSP Pb-free package

Diagrams

AD9117 Functional Block Diagram
AD9117 Functional Block Diagram

Specifications

Resolution (Bits) 14bit
DAC Update Rate 125MSPS
DAC Settling Time n/a
# DAC Outputs 4
DAC Type Current Out
DAC Input Format Par
Output FSR (0-20mA),(0-4mA)
Ref Int/Ext Int/Ext
Supply Vnom Single(+1.8 to +3.3)
Pwr Diss (Max) n/a
Package CSP

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Part# Res (bits) Update Rate Settling Time # Outputs
AD9717 14 125MSPS - 4
AD9117 14 125MSPS - 4
AD9787 14 800MSPS - 4
AD9778 14 1GSPS - 2
AD9767 14 125MSPS 35ns 2
AD9785 12 800MSPS - 4
AD9116 12 125MSPS - 4
AD9775