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ADS8513IDWRG4 Datenblatt(Datasheet) 1 Page - TI store

Teile-Nr. ADS8513IDWRG4
Beschreibung  16-Bit, 40kSPS, Low-Power Sampling ANALOG-TO-DIGITAL CONVERTER with Internal Reference and Parallel/Serial Interface
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FEATURES
APPLICATIONS
DESCRIPTION
Successive Approximation Register
Clock
Comparator
CS
CDAC
Buffer
REF
BUF
R1IN
8k
Internal
+2.5 V Ref
4k
Serial
Data
Out
and
Control
BUSY
BUSY
DATACLK
40k
R2IN
EXT/INT
PWRD
SDATA
CONV
CAP
20k
R3IN
ADS8513
www.ti.com ...................................................................................................................................................... SLAS486C – JUNE 2007 – REVISED JANUARY 2009
16-Bit, 40kSPS, Low-Power Sampling ANALOG-TO-DIGITAL CONVERTER
with Internal Reference and Parallel/Serial Interface
• Industrial Process Control
23
• 40kSPS Minimum Sampling Rate
• Test Equipment
• Very Low Power: 24mW Typ
• Robotics
• ±3.33V, ±5V, ±10V, 4V, and 10V Input Ranges
• DSP Servo Control
• 89dB SNR with 10kHz Input
• Medical Instrumentation
• ±2LSB Max INL
• Portable Data Acquisition Systems
• –1/+2LSB Max DNL, 16-Bit NMC
• ±10mV BPZ, ±2.5ppm/°C BPZ Drift
• 89dB Min SINAD, 102dB Min SFDR
The ADS8513 is a complete low-power, single 5V
• Uses Internal or External 2.5V Reference
supply,
16-bit
sampling
analog-to-digital
(A/D)
converter.
It
contains
a
complete
16-bit
• No External Calibration Resistors Required
capacitor-based, successive approximation register
• Single 5V Analog Supply:
(SAR) A/D converter with sample and hold, clock,
32.5mW Max Power Dissipation
reference, and serial data interface. The converter
50
µW Max Power-Down Mode
can be configured for a variety of input ranges
including ±10V, ±5V, 0V to 10V, and 0.5V to 4.5V. A
• SPI™-Compatible Serial Port up to 20MHz,
high-impedance, 0.3V to 2.8V input is also available
with Master/Slave Feature
with input impedance greater than 10M
Ω. For most
• Global CONV and 3-Stated Bus for Multi-Chip
input ranges, the input voltage can swing to 25V or
Simultaneous S/H Operation
–25V without damage to the converter.
• Pin-Compatible with 16-Bit ADS7813 and
An SPI-compatible serial interface allows data to be
12-Bit ADS7812 and ADS8512
synchronized to an internal or external clock. The
• SO-16 Package
ADS8513 is specified at 40kSPS sampling rate over
the –40°C to +85°C industrial temperature range.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
SPI, QSPI are trademarks of Motorola, Inc.
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007–2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.




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