Features: 6-lead SC70 packagePower-down to <100 nA @ 3 VSingle 14-bit DAC:B Version: ±4 LSB INLA Version: ±8 LSB INLMicropower operation: max 100 A @ 5 V2.7 V to 5.5 V power supplyGuaranteed monotonic by designPower-on reset to 0 V with brownout detection3 power-down functionsLow power serial interface with Schmitt-triggered inputsOn-chip output buffer amplifier, rail-to-rail operationSYNC interrupt facilityApplicationVoltage level settingPortable battery-powered instrumentsDigital gain and offset adjustmentProgrammable voltage and current sourcesProgrammable attenuatorsPinout
Specifications
| Resolution (Bits) |
14bit |
| DAC Update Rate |
1.7MSPS |
| DAC Settling Time |
6s |
| # DAC Outputs |
1 |
| DAC Type |
Voltage Out |
| DAC Input Format |
Ser,SPI |
| Output FSR |
(Uni Vdd) |
| Ref Int/Ext |
Ext |
| Supply Vnom |
Single(+3),Single(+3.3),Single(+5) |
| Pwr Diss |
550W |
| Package |
SC70 |
Parameter........................................................Rating
VDD to GND......................................−0.3 V to +7.0 V
Digital Input Voltage to GND... −0.3 V to VDD + 0.3 V
VOUT to GND.......................... 0.3 V to VDD + 0.3 V
Operating Temperature Range ......40°C to +125°C
Industrial (B Version)
Storage Temperature Range .........65°C to +160°C
Maximum Junction Temperature ......................150°C
SC70 Package
JA Thermal Impedance............................. 332°C/W
JC Thermal Impedance.............................120°C/W
Lead Temperature, Soldering
Vapor Phase (60 s)...................................... 215°C
Infrared (15 s).............................................. 220°C
ESD............................................................... 2.0 kVDescriptionThe AD5641, a member of the nanoDAC family, is a single, 14-bit, buffered, voltage out DAC that operates from a single 2.7 V to5.5 V supply, consuming <100 A at 5 V. The part comes in a tiny SC70 package. Its on-chip precision output amplifier allowsrail-to-rail output swing to be achieved. The AD5641 utilizes a versatile 3-wire serial interface that operates at clockrates up to 30 MHz and is compatible with SPI®, QSPI™, MICROWIRE™, and DSP interface standards. The reference for AD5641 isderived from
the power supply inputs and, therefore, gives the widest dynamic output range. The part incorporates a power-on reset circuit,which ensures that the DAC output powers up to 0 V and remains there until a valid write to the device takes place.
The AD5641 contains a power-down feature that reduces current consumption to <100 nA at 3 V, and provides software-selectableoutput loads while in power-down mode. The part is put into power-down mode over the serial interface. The low powerconsumption of the part in normal operation makes it ideally suited to portable battery-operated equipment. The combinationof small package and low power makes this nanoDAC device ideal for level-setting requirements such as generating biasor control voltages in space-constrained and power-sensitive applications.The AD5641 is designed with new technology andcomes in a space-saving SC70 package.
AD5641 Data Sheet
