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AD5663RBRMZ-5REEL7 데이터시트(PDF) 1 Page - Analog Devices

부품명 AD5663RBRMZ-5REEL7
상세설명  Dual 12-/14-/16-Bit nanoDAC with 5 ppm/C On-Chip Reference
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Dual 12-/14-/16-Bit nanoDAC® with
5 ppm/°C On-Chip Reference
AD5623R/AD5643R/AD5663R
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.
FEATURES
Low power, smallest pin-compatible, dual nanoDAC
AD5663R: 16 bits
AD5643R: 14 bits
AD5623R: 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 and 3 mm × 3 mm LFCSP
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
Hardware LDAC and CLR functions
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 AD5623R/AD5643R/AD5663R, members of the nanoDAC
family, are low power, dual 12-, 14-, and 16-bit buffered voltage-
out digital-to-analog converters (DAC) that operate from a single
2.7 V to 5.5 V supply and are guaranteed monotonic by design.
The AD5623R/AD5643R/AD5663R have an on-chip reference.
The AD5623R-3/AD5643R-3/AD5663R-3 have a 1.25 V, 5 ppm/°C
reference, giving a full-scale output of 2.5 V; and the AD5623R-5/
AD5643R-5/AD5663R-5 have a 2.5 V, 5 ppm/°C reference,
giving a full-scale output of 5 V. The on-chip reference is off at
power-up, allowing the use of an external reference; and all
devices can be operated from a single 2.7 V to 5.5 V supply.
The internal reference is turned on by writing to the DAC.
The parts 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 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.
FUNCTIONAL BLOCK DIAGRAM
INTERFACE
LOGIC
SCLK
SYNC
DIN
CLR
INPUT
REGISTER
INPUT
REGISTER
DAC
REGISTER
DAC
REGISTER
VDD
GND
POWER-ON
RESET
STRING
DAC A
STRING
DAC B
BUFFER
BUFFER
VREFIN/VREFOUT
POWER-DOWN
LOGIC
VOUTA
VOUTB
AD5623R/AD5643R/AD5663R
LDAC
LDAC
1.25V/2.5V
REFERENCE
Figure 1.
Table 1. Related Devices
Part No.
Description
AD5663
2.7 V to 5.5 V, dual 16-bit nanoDAC, with external
reference
The low power consumption of this part in normal operation
makes it ideally suited to portable, battery-operated equipment.
The AD5623R/AD5643R/AD5663R use a versatile, 3-wire serial
interface that operates at clock rates up to 50 MHz, and they are
compatible with standard SPI®, QSPI™, MICROWIRE™, and
DSP interface standards. The on-chip precision output amplifier
enables rail-to-rail output swing to be achieved.
PRODUCT HIGHLIGHTS
1. Dual 12-, 14-, and 16-bit DAC.
2. On-chip 1.25 V/2.5 V, 5 ppm/°C reference.
3. Available in 10-lead MSOP and 10-lead, 3 mm ×
3 mm LFCSP.
4. Low power; typically consumes 0.6 mW at 3 V and
1.25 mW at 5 V.
5. 4.5 μs maximum settling time for the AD5623R.


유사한 부품 번호 - AD5663RBRMZ-5REEL7

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Analog Devices
AD5663RBRMZ-5REEL7 AD-AD5663RBRMZ-5REEL7 Datasheet
967Kb / 32P
   Dual 12-/14-/16-Bit nanoDAC with 5 ppm/ C On-Chip Reference
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1Mb / 32P
   Dual 12-/14-/16-Bit nanoDAC
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유사한 설명 - AD5663RBRMZ-5REEL7

제조업체부품명데이터시트상세설명
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