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AD5425YRM Datasheet

  • AD5425YRM

  • 8-Bit, High Bandwidth Multiplying DAC with Serial Interface

  • 411.53KB

  • 20頁

  • AD

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8-Bit, High Bandwidth
Multiplying DAC with Serial Interface
AD5425
*
FEATURES
2.5 V to 5.5 V Supply Operation
50 MHz Serial Interface
8-Bit (Byte Load) Serial Interface, 6 MHz Update Rate
10 MHz Multiplying Bandwidth
10 V Reference Input
Low Glitch Energy < 2 nV-s
Extended Temperature Range 鈥?0 C to +125 C
10-Lead MSOP Package
Guaranteed Monotonic
4-Quadrant Multiplication
Power On Reset with Brownout Detection
LDAC
Function
0.4 A Typical Power Consumption
APPLICATIONS
Portable Battery-Powered Applications
Waveform Generators
Analog Processing
Instrumentation Applications
Programmable Amplifiers and Attenuators
Digitally-Controlled Calibration
Programmable Filters and Oscillators
Composite Video
Ultrasound
Gain, Offset, and Voltage Trimming
FUNCTIONAL BLOCK DIAGRAM
V
DD
V
REF
R
R
FB
I
OUT
1
I
OUT
2
AD5425
8-BIT
R-2R DAC
LDAC
POWER-ON
RESET
DAC REGISTER
INPUT LATCH
SYNC
SCLK
SDIN
CONTROL LOGIC AND
INPUT SHIFT REGISTER
GND
GENERAL DESCRIPTION
The AD5425 is a CMOS 8-bit current output digital-to-analog
converter that operates from a 2.5 V to 5.5 V power supply,
making it suited to battery-powered applications and many
other applications.
This DAC utilizes a double buffered 3-wire serial interface that
is compatible with SPI
廬
, QSPI鈩? MICROWIRE鈩? and most
DSP interface standards. In addition, an
LDAC
pin is provided,
which allows simultaneous update in a multi-DAC configuration.
On power-up, the internal shift register and latches are filled
with 0s and the DAC outputs are at 0 V.
As a result of processing on a CMOS submicron process, this
DAC offers excellent 4-quadrant multiplication characteristics,
with large signal multiplying bandwidths of 10 MHz.
The applied external reference input voltage (V
REF
) determines
the full-scale output current. An integrated feedback resistor (R
FB
)
provides temperature tracking and full-scale voltage output
when combined with an external I-to-V precision amplifier.
The AD5425 DAC is available in a small 10-lead MSOP package.
*Protected
by U.S. Patent No. 5,969,657; other patents pending.
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. 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: 781/326-8703
漏 2004 Analog Devices, Inc. All rights reserved.

AD5425YRM 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(zhuǎn)換器

  • -

  • 15ns

  • 8

  • 串行

  • 1

  • 單電源

  • 25µW

  • -40°C ~ 125°C

  • 表面貼裝

  • 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）

  • 10-MSOP

  • 管件

  • 2 電流，單極；2 電流，雙極

  • 9.5M

  • EVAL-AD5425EBZ-ND - BOARD EVALUATION FOR AD5425

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