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AD5667

Analog Devices
Part Number AD5667
Manufacturer Analog Devices
Description Dual 12-/14-/16-Bit nanoDACs
Published Jan 16, 2007
Detailed Description Dual, 12-/14-/16-Bit nanoDACs® with 5 ppm/°C On-Chip Reference, I2C® Interface AD5627R/AD5647R/AD5667R, AD5627/AD5667 0...
Datasheet PDF File AD5667 PDF File

AD5667
AD5667

Overview
Dual, 12-/14-/16-Bit nanoDACs® with 5 ppm/°C On-Chip Reference, I2C® Interface AD5627R/AD5647R/AD5667R, AD5627/AD5667 06342-001 06342-002 FEATURES 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 APPLICATIONS Process control Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators GENERAL DESCRIPTION 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 I2Ccompatible serial interface.
The AD5627R/AD5647R/AD5667R have an on-chip reference.
The AD56x7RBCPZ have a 1.
25 V, 5 ppm/°C reference, giving a full-scale output range of 2.
5 V; the AD56x7RBRMZ 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 AD56x7R/AD56x7 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 part contains a perchannel power-down feature that reduces the current consumption of the device to 480 nA at 5 V and provides ADDR SCL SDA FUNCTIONAL BLOCK DIAGRAMS VDD GND VREFIN/VREFOUT AD5627R/AD5647R/AD5667R INPUT REGISTE...


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