AD5647R Dual, 14-Bit nanoDAC® with 5 ppm/°C On-Chip Reference, I2C® Interface

Process control Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators

The AD5627R/AD5647R/AD5667R, AD5627/AD5667 members of the nanoDAC® family are low power, dual, 12-, 14-, 16-bit buffered voltage-out DACs with/without on-chip reference. All devices operate from a single 2.7 V to 5.5 V supply, are guaranteed monotonic by design, and have an I2C-compatible serial interface.

The AD5627R/AD5647R/AD5667R, AD5627/AD5667 have an on-chip reference. The AD5627RBCPZ, AD5647RBCPZ, and AD5667RBCPZ have a 1.25 V, 5 ppm/°C reference, giving a full-scale output range of 2.5 V; the AD5627RBRMZ and AD5667RBRMZ have a 2.5 V, 5 ppm/°C reference, giving a full-scale output range of 5 V. The on-chip reference is off at power-up, allowing the use of an external reference. The internal reference is enabled via a software write. The AD5667 and AD5627 require an external reference voltage to set the output range of the DAC.

The AD5627R/AD5647R/AD5667R, AD5627/AD5667 incorporate a power-on reset circuit that ensures the DAC output powers up to 0 V, and remains there until a valid write takes place.

The device contains a per-channel power-down feature that reduces the current consumption of the device to 480 nA at 5 V and provides software-selectable output loads while in power-down mode. The low power consumption of this device in normal operation makes it ideally suited to portable battery-operated equipment. The on-chip precision output amplifier enables rail-to-rail output swing.

The AD5627R/AD5647R/AD5667R, AD5627/AD5667 use a 2-wire I2C-compatible serial interface that operates in standard (100 kHz), fast (400 kHz), and high speed (3.4 MHz) modes.

Applications

Data Sheet, Rev. 0, 1/07

Features and Benefits
  • Low power, smallest pin-compatible, dual nanoDACs
  • AD5627R/AD5647R/AD5667R
    12-/14-/16-bit
    On-chip 1.25 V/2.5 V, 5 ppm/°C reference
  • AD5627/AD5667
    12-/16-bit
    External reference only
  • 3 mm x 3 mm LFCSP and 10-lead MSOP
  • 2.7 V to 5.5 V power supply
  • Guaranteed monotonic by design
  • Power-on reset to zero scale
  • Per channel power-down
  • Hardware LDAC and CLR functions
  • I2C-compatible serial interface supports standard (100 kHz), fast (400 kHz), and high speed (3.4 MHz) modes
Digital to Analog Converters
IBIS Models
Data Sheets
Documentnote
AD5627R/AD5647R/AD5667R/AD5627/AD5667: Dual, 12-/14-/16-Bit nanoDACs with 5 ppm/C On-Chip Reference, I2C Interface Data Sheet (Rev. A)PDF 1.31 M
Order Information
Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
AD5647RBCPZ-R2 Production10 ld LFCSP (3x3mm)REEL 250-40 to 105C3.363.36Y
AD5647RBCPZ-REEL7 Production10 ld LFCSP (3x3mm)REEL 1500-40 to 105C02.86Y
AD5647RBRMZ Production10 ld MSOPOTH 50-40 to 105C3.73.14Y
AD5647RBRMZ-REEL7 Production10 ld MSOPREEL 1000-40 to 105C03.14Y
Evaluation Boards
Part NumberDescriptionPriceRoHS
EVAL-AD5667RSDZEvaluation Board99Y
EVAL-SDP-CB1ZSDP-B Controller Board99Y
Reference Materials
AD5627R/AD5647R/AD5667R/AD5627/AD5667: Dual, 12-/14-/16-Bit nanoDACs with 5 ppm/C On-Chip Reference, I2C Interface Data Sheet (Rev. A) ad5627
AD5667R IBIS Model ad5627
Digital to Analog Converters ICs Solutions Bulletin ad5590