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AD5601 Datasheet

(AD5601 - AD5621) SPI Interface / SC70 Package / nanoDAC D/A

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om 2.7 V to 5.5 V, <100 µA, 8/10/12BitTM
PreliminatraySTehcehneitc4aUl D.acta nanoDAC D/A, SPAIDIn5t6e0rf1a/cAeD,5S6C1710/PAaDc5k6a2g1eFEATURES
a6-lead SC70 package
.DPower-down to <100 nA @ 3 V
wMicropower operation: max 100 µA @ 5 V
w2.7 V to 5.5 V power supply
wGuaranteed monotonic by design
Power-on-reset to 0 V with brownout detection
m3 power-down functions
oLow power serial interface with Schmitt-triggered inputs
On-chip output buffer amplifier, rail-to-rail operation
.cSYNC interrupt facility
Minimised Zero Code Error
AD5601 Buffered 8-Bit Dac in SC70
UB Version: ±0.5 LSB INL
t4AD5611 Buffered 10-Bit Dac in SC70
B Version: ±0.5 LSB INL, A Version: ±4 LSB INL
AD5621 Buffered 12-Bit Dac in SC70
eB Version: ±1 LSB INL , A Version: ±6 LSB INL
eAPPLICATIONS
hVoltage Level Setting
Portable battery-powered instruments
SDigital gain and offset adjustment
taProgrammable voltage and current sources
Programmable attenuators
aGENERAL DESCRIPTION
.DThe AD5601/AD5611/AD5621, members of the nanoDACTM family, are
single, 8/10/12-bit buffered voltage out DAC that operates from a single 2.7
V to +5.5 V supply consuming <100 µA at 5 V, and comes in a tiny SC70
package. Its on-chip precision output amplifier allows rail-to-rail output
wswing to be achieved. The AD5601/AD5611/AD5621 utilizes a versatile 3-
wire serial interface that operates at clock rates up to 30 MHz and is
wcompatible with SPI®, QSPI™, MICROWIRE™, and DSP interface standards.
mThe reference for AD5601/AD5611/AD5621 is derived from the power
w osupply inputs and thus gives the widest dynamic output range. The part
.cincorporates a power-on-reset circuit that ensures the DAC output powers
up to 0 V and remains there until a valid write takes place to the device. The
Upart contains a power-down feature that reduces the current consumption
t4of the device to <100 nA at 3 V and provides software selectable output
eloads while in power-down mode. The part is put into power-down mode
eover the serial interface. The low power consumption of this part in normal
hoperation makes it ideally suited to portable battery operated equipment.
ataSRev. PrB
.DInformation furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
wSpecifications subject to change without notice. No license is granted by implication
wor otherwise under any patent or patent rights of Analog Devices. Trademarks and
wregistered trademarks are the property of their respective owners.
FUNCTIONAL BLOCK DIAGRAM
Figure 1
RELATED DEVICES
Part Number
Description
AD5641
2.7 V to 5.5 V, <100 µA, 14 Bit nanoDACTM D/A, tiny
SC70 Package
The combination of small package and low power make these devices idea
for level setting requirements such as generating bias or control voltages in
space constrained and power sensitive applications
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.
Analog Devices
Analog Devices


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