AD5624R Datasheet
Data Sheet
Quad, 12-/14-/16-Bit nanoDACs with 5 ppm/°C On-Chip Reference AD5624R/AD5644R/AD5664R
FEATURES
Low power, smallest pin-compatible, quad nanoDACs AD5664R: 16 bits AD5644R: 14 bits AD5624R: 12 bits
User-selectable external or internal reference External reference default On-chip 1.25 V/2.5 V, 5 ppm/°C reference
10-lead MSOP; 10-lead, 3 mm × 3 mm LFCSP_WD; and 12-ball, 1.665 mm × 2.245 mm WLCSP
2.7 V to 5.5 V power supply Guaranteed monotonic by design Power-on reset to zero scale Per channel power-down Serial interface, up to 50 MHz
APPLICATIONS
Process controls Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators
FUNCTIONAL BLOCK DIAGRAM
VDD
GND
VREFIN/VREFOUT
AD5624R/AD5644R/AD5664R
1.25V/2.5V REF
SCLK SYNC
DIN
INPUT REGISTER
DAC REGISTER
STRING DAC A
BUFFER
VOUTA
INTERFACE LOGIC
INPUT REGISTER
DAC REGISTER
STRING DAC B
BUFFER
INPUT REGISTER
DAC .
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2.7 V to 5.5 V, 450 μA, Rail-to-Rail Output, Quad, 12-/16-Bit nanoDACs® AD5624/AD5664
FEATURES
Low power, quad nanoDACs AD5664: 16 bits AD5624: 12 bits Relative accuracy: ±12 LSBs max Guaranteed monotonic by design 10-lead MSOP and 3 mm × 3 mm LFCSP_WD 2.7 V to 5.5 V power supply Power-on reset to zero Per channel power-down Serial interface, up to 50 MHz
FUNCTIONAL BLOCK DIAGRAM
VDD GND VREF
AD5624/AD5664
INPUT REGISTER SCLK INTERFACE LOGIC INPUT REGISTER DAC REGISTER STRING DAC B BUFFER VOUTB DAC REGISTER STRING DAC A BUFFER VOUTA
SYNC
INPUT REGISTER DIN INPUT REGISTER
DAC REGISTER
STRING DAC C
BUFFER
VOUTC
DAC REGISTER
STRING DAC D
BUFFER
VOUTD
APPLICATIO.
nanoDACs
Data Sheet
Quad, 12-/14-/16-Bit nanoDACs with 5 ppm/°C On-Chip Reference AD5624R/AD5644R/AD5664R
FEATURES
Low power, smallest pin-compatible, quad nanoDACs AD5664R: 16 bits AD5644R: 14 bits AD5624R: 12 bits
User-selectable external or internal reference External reference default On-chip 1.25 V/2.5 V, 5 ppm/°C reference
10-lead MSOP; 10-lead, 3 mm × 3 mm LFCSP_WD; and 12-ball, 1.665 mm × 2.245 mm WLCSP
2.7 V to 5.5 V power supply Guaranteed monotonic by design Power-on reset to zero scale Per channel power-down Serial interface, up to 50 MHz
APPLICATIONS
Process controls Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators
FUNCTIONAL BLOCK DIAGRAM
VDD
GND
VREFIN/VREFOUT
AD5624R/AD5644R/AD5664R
1.25V/2.5V REF
SCLK SYNC
DIN
INPUT REGISTER
DAC REGISTER
STRING DAC A
BUFFER
VOUTA
INTERFACE LOGIC
INPUT REGISTER
DAC REGISTER
STRING DAC B
BUFFER
INPUT REGISTER
DAC REGISTER
STRING DAC C
BUFFER
VOUTB VOUTC
INPUT REGISTER
DAC REGISTER
STRING DAC D
BUFFER
POWER-ON LOGIC
POWERDOWN LOGIC
Figure 1.
VOUTD
05856-001
Table 1. Related Devices
Part No.
Description
AD5624/AD5664 2.7 V to 5.5 V quad, 12-/16-bit DACs, external reference
AD5666
2.7 V to 5.5 V quad, 16-bit DAC, internal reference, LDAC, CLR pins
GENERAL DESCRIPTION
The AD5624R/AD5644R/AD5664R, members of the nanoDAC® family, are low power, quad, 12-/14-/16-bit buffered voltageout DACs. .
2007-01-16 : 4N25X 4N26X 4N27X 4N28X 4N26 4N27 4N28 AD1935 AD1936 AD1937