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參數(shù)資料
| 型號(hào)： | AD5551BR |
| 廠(chǎng)商： | ANALOG DEVICES INC |
| 元件分類(lèi)： | DAC |
| 英文描述： | 5 V, Serial-Input Voltage-Output, 14-Bit DACs |
| 中文描述： | SERIAL INPUT LOADING, 1 us SETTLING TIME, 14-BIT DAC, PDSO8 |
| 封裝： | MS-012AA, NSOIC-8 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 208K |
| 代理商： | AD5551BR |
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD5551/AD5552
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2000
5 V, Serial-Input
Voltage-Output, 14-Bit DACs
FUNCTIONAL BLOCK DIAGRAMS
SERIAL
INPUT
REGISTER
V
REF
CS
DIN
SCLK
AGND
V
OUT
V
DD
DGND
AD5551
14-BIT
DAC
14-BIT
DATA
LATCH
CONTROL
LOGIC
SERIAL
INPUT
REGISTER
V
REFF
CS
DIN
SCLK
AGNDF
V
OUT
V
DD
DGND
AD5552
14-BIT
DAC
14-BIT
DATA
LATCH
CONTROL
LOGIC
V
REFS
LDAC
AGNDS
RFB
INV
R
FB
R
INV
FEATURES
Full 14-Bit Performance
5 V Single Supply Operation
Low Power
Fast Settling Time
Unbuffered Voltage Output Capable of Driving 60 k
Loads Directly
SPI/QSPI/MICROWIRE-Compatible Interface
Standards
Power-On Reset Clears DAC Output to 0 V (Unipolar
Mode)
Schmitt Trigger Inputs for Direct Optocoupler Interface
APPLICATIONS
Digital Gain and Offset Adjustment
Automatic Test Equipment
Data Acquisition Systems
Industrial Process Control
GENERAL DESCRIPTION
The AD5551 and AD5552 are single, 14-bit, serial input, voltage
output DACs that operate from a single 5 V
±
10% supply.
The AD5551 and AD5552 utilize a versatile 3-wire interface that
is compatible with SPI, QSPI, MICROWIRE, and DSP inter-
face standards.
These DACs provide 14-bit performance without any adjust-
ments. The DAC output is unbuffered, which reduces power
consumption and offset errors contributed by an output buffer.
With an external op amp the AD5552 can be operated in bipo-
lar mode generating a
±
V
REF
output swing. The AD5552 also
includes Kelvin sense connections for the reference and analog
ground pins to reduce layout sensitivity. For higher precision
applications, please refer to 16-bit DACs AD5541, AD5542,
and AD5544.
The AD5551 and AD5552 are available in an SO package.
PRODUCT HIGHLIGHTS
1. Single Supply Operation.
The AD5551 and AD5552 are fully specified and guaranteed
for a single 5 V
±
10% supply.
2. Low Power Consumption.
Typically 1.5 mW with a 5 V supply.
3. 3-Wire Serial Interface.
4. Unbuffered output capable of driving 60 k
loads, which
reduces power consumption as there is no internal buffer
to drive.
5. Power-On Reset Circuitry.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corporation.
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