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| 型號： | EVAL-AD5570EBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVALUATION FOR AD5570 |
| 標準包裝： | 1 |
| DAC 的數(shù)量： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 83k |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 設(shè)置時間： | 12µs |
| DAC 型： | 電壓 |
| 工作溫度： | -40°C ~ 85°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | AD5570 |
True Accuracy, 16-Bit ±12 V/±15 V,
Serial Input Voltage Output DAC
AD5570
Rev. C
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
2010 Analog Devices, Inc. All rights reserved.
FEATURES
Full 16-bit performance
1 LSB maximum INL and DNL
Output voltage range up to ±14 V
On-board reference buffers, eliminating the need for a
negative reference
Controlled output during power-on
Temperature ranges of 40°C to +85°C for A/B version/40°C
to +125°C for W/Y version
Settling time of 10 μs to 0.003%
Clear function to 0 V
Asynchronous update of outputs (LDAC pin)
Power-on reset
Serial data output for daisy chaining
Data readback facility
5 kV HBM ESD classification
APPLICATIONS
Industrial automation
Automatic test equipment
Process control
Data acquisition systems
General-purpose instrumentation
FUNCTIONAL BLOCK DIAGRAM
VOUT
VDD
DGND
AD5570
REFIN
REFGND
LDAC
SDIN
CLR
SCLK
SYNC
PD
DAC REGISTER
SHIFT REGISTER
POWER-DOWN
CONTROL LOGIC
POWER-ON
RESET
SDO
VSS
2R
AGND
AGNDS
R
16-BIT
DAC
0
37
60
-0
01
Figure 1.
GENERAL DESCRIPTION
The AD5570 is a single 16-bit serial input, voltage output DAC
that operates from supply voltages of ±11.4 V up to ±16.5 V.
Integral linearity (INL) and differential nonlinearity (DNL) are
accurate to 1 LSB. During power-up, when the supply voltages
are changing, VOUT is clamped to 0 V via a low impedance path.
The AD5570 DAC comes complete with a set of reference
buffers. The reference buffers allow a single, positive reference
to be used. The voltage on REFIN is gained up and inverted
internally to give the positive and negative reference for the
DAC core. Having the reference buffers on-chip eliminates the
need for external components such as inverters, precision
amplifiers, and resistors, thereby reducing the overall solution
size and cost.
The AD5570 uses a versatile 3-wire interface that is compatible
with SPI, QSPI, MICROWIRE, and DSP interface standards.
Data is presented to the part as a 16-bit serial word. Serial data
is available on the SDO pin for daisy-chaining purposes. Data
readback allows the user to read the contents of the DAC
register via the SDO pin.
Features on the AD5570 include LDAC which is used to update
the output of the DAC. The device also has a power-down pin
(PD), allowing the DAC to be put into a low power state, and a
CLR pin that allows the output to be cleared to 0 V.
The AD5570 is available in a 16-lead SSOP.
PRODUCT HIGHLIGHTS
1.
1 LSB maximum INL and DNL.
2.
Buffered voltage output up to ±14 V.
3.
Output controlled during power-up.
4.
On-board reference buffers.
5.
Wide temperature range of 40°C to +125°C.
6.
5 kV HBM ESD classification.
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