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AD5570YRS Datasheet

  • AD5570YRS

  • True Accuracy, 16-Bit 12 V/15 V, Serial Input Voltage Output...

  • 24頁(yè)

  • AD

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True Accuracy, 16-Bit 鹵12 V/鹵15 V,
Serial Input Voltage Output DAC
AD5570
FEATURES
Full 16-bit performance
1 LSB max INL and DNL
Output voltage range up to 鹵14 V
On-board reference buffers, eliminating the need for a
negative reference
Controlled output during power-on
Temperature range of 鈭?0擄C to +85擄C/鈭?0擄C to +125擄C
Settling time of 10 碌s 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
FUNCTIONAL BLOCK DIAGRAM
V
SS
V
DD
DGND
AD5570
REFGND
R
R
R
POWER-ON
RESET
16-BIT
DAC
V
OUT
AGND
AGNDS
R
DAC REGISTER
REFIN
POWER-DOWN
CONTROL LOGIC
PD
03760-0-001
LDAC
SHIFT REGISTER
APPLICATIONS
Industrial automation
Automatic test equipment
Process control
Data acquisition systems
General-purpose instrumentation
SDIN
SCLK
SYNC
SDO
CLR
Figure 1.
GENERAL DESCRIPTION
The AD5570 is a single 16-bit serial input, voltage output DAC
that operates from supply voltages of 鹵12 V up to 鹵15 V.
Integral linearity (INL) and differential nonlinearity (DNL) are
accurate to 1 LSB. During power-up (when the supply voltages
are changing), V
OUT
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廬, QSPI鈩? MICROWIRE鈩? and DSP廬 interface standards.
Data is presented to the part in the format of 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 may be used to
update the output of the DAC. The device also has a power-
down pin (PD), which allows 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 package.
PRODUCT HIGHLIGHTS
1. 1 LSB maximum INL and DNL.
2. Buffered voltage output up to 鹵14 V.
3. Output controlled during power-up.
4. On-board reference buffers.
5. Wide temperature range of
鈭?0擄C
to +125擄C.
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: 781.326.8703
漏 2003 Analog Devices, Inc. All rights reserved.

AD5570YRS 產(chǎn)品屬性

  • Data Converter FundamentalsDAC Architectures

  • 1

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器

  • -

  • 12µs

  • 16

  • 串行

  • 1

  • 雙 ±

  • 150mW

  • -40°C ~ 125°C

  • 表面貼裝

  • 16-SSOP（0.209"，5.30mm 寬）

  • 16-SSOP

  • 管件

  • 1 電壓，雙極

  • 83k

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