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AD5624BRMZ Datasheet

  • AD5624BRMZ

  • 2.7 V to 5.5 V, 450 レA, Rail-to-Rail Output, Quad, 12-/16-B...

  • 631.38KB

  • 24頁

  • AD

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2.7 V to 5.5 V, 450 渭A, Rail-to-Rail Output,
Quad, 12-/16-Bit
nanoDACs
廬
AD5624/AD5664
FEATURES
Low power, quad
nanoDACs
AD5664: 16 bits
AD5624: 12 bits
Relative accuracy: 鹵12 LSBs max
Guaranteed monotonic by design
10-lead MSOP and 3 mm 脳 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
V
DD
GND
V
REF
AD5624/AD5664
INPUT
REGISTER
SCLK
INTERFACE
LOGIC
INPUT
REGISTER
DAC
REGISTER
STRING
DAC B
BUFFER
V
OUT
B
DAC
REGISTER
STRING
DAC A
BUFFER
V
OUT
A
SYNC
INPUT
REGISTER
DIN
INPUT
REGISTER
DAC
REGISTER
STRING
DAC C
BUFFER
V
OUT
C
DAC
REGISTER
STRING
DAC D
BUFFER
V
OUT
D
APPLICATIONS
Process control
Data acquisition systems
Portable battery-powered instruments
Digital gain and offset adjustment
Programmable voltage and current sources
Programmable attenuators
Figure 1.
Table 1. Related Devices
Part No.
AD5624R/AD5644R/AD5664R
Description
2.7 V to 5.5 V quad, 12-, 14-,
16-bit DACs with internal
reference
GENERAL DESCRIPTION
The AD5624/AD5664, members of the
nanoDAC
family, are
low power, quad, 12-, 16-bit buffered voltage-out DACs that
operate from a single 2.7 V to 5.5 V supply and are guaranteed
monotonic by design.
The AD5624/AD5664 require an external reference voltage to
set the output range of the DAC. The part incorporates 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 parts
contain 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.
The low power consumption of these parts in normal operation
makes them ideally suited to portable battery-operated
equipment. The power consumption is 2.25 mW at 5 V, going
down to 2.4 渭W in power-down mode.
The AD5624/AD5664 on-chip precision output amplifier allows
rail-to-rail output swing to be achieved.
The AD5624/AD5664 use a versatile 3-wire serial interface that
operates at clock rates up to 50 MHz, and are compatible with
standard SPI廬, QSPI鈩? MICROWIRE鈩? and DSP interface
standards.
PRODUCT HIGHLIGHTS
1.
2.
3.
4.
Relative accuracy: 鹵12 LSBs maximum.
Available in 10-lead MSOP and 10-lead, 3 mm 脳 3 mm,
LFCSP_WD.
Low power, typically consumes 1.32 mW at 3 V and
2.25 mW at 5 V.
Maximum settling time of 4.5 渭s (AD5624) and 7 渭s
(AD5664).
Rev. 0
Information 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. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
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
漏2006 Analog Devices, Inc. All rights reserved.
05943-001
POWER-ON
RESET
POWER-DOWN
LOGIC

AD5624BRMZ 產(chǎn)品屬性

  • Data Converter FundamentalsDAC Architectures

  • 50

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)模轉換器

  • nanoDAC™

  • 3µs

  • 12

  • DSP，MICROWIRE?，QSPI?，串行，SPI?

  • 4

  • 單電源

  • -

  • -40°C ~ 105°C

  • 表面貼裝

  • 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）

  • 10-MSOP

  • 管件

  • 4 電壓，單極；4 電壓，雙極

  • 287k

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