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ADS7812U bảng dữ liệu(PDF) 1 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
tên linh kiện ADS7812U
Giải thích chi tiết về linh kiện  Low-Power, Serial 12-Bit Sampling ANALOG-TO-DIGITAL CONVERTER
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nhà sản xuất  BURR-BROWN [Burr-Brown (TI)]
Trang chủ  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

ADS7812U bảng dữ liệu(HTML) 1 Page - Burr-Brown (TI)

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®
ADS7812
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
ADS7812
®
©1997 Burr-Brown Corporation
PDS-1301A
Printed in U.S.A. March, 1997
Low-Power, Serial 12-Bit Sampling
ANALOG-TO-DIGITAL CONVERTER
DESCRIPTION
The ADS7812 is a low-power, single +5V supply, 12-
bit sampling analog-to-digital converter. It contains a
complete 12-bit capacitor-based SAR A/D with a
sample/hold, clock, reference, and serial data inter-
face.
The converter can be configured for a variety of input
ranges including
±10V, ±5V, 0V to 10V, and 0.5V to
4.5V. A high impedance 0.3V to 2.8V input range is
also available (input impedance > 10M
Ω). For most
input ranges, the input voltage can swing to +16.5V or
–16.5V without damage to the converter.
A flexible SPI compatible serial interface allows data
to be synchronized to an internal or external clock.
The ADS7812 is specified at a 40kHz sampling rate
over the –40
°C to +85°C temperature range. It is
available in a 16-pin 0.3" plastic DIP or a 16-lead
SOIC package.
FEATURES
q 20
µs max CONVERSION TIME
q SINGLE +5V SUPPLY OPERATION
q PIN-COMPATIBLE WITH 16-BIT ADS7813
q EASY-TO-USE SERIAL INTERFACE
q 16-PIN 0.3" PLASTIC DIP AND SOIC
q
±0.5LSB max INL AND DNL
q 72dB min SINAD
q USES INTERNAL OR EXTERNAL
REFERENCE
q MULTIPLE INPUT RANGES
q 35mW max POWER DISSIPATION
q NO MISSING CODES
q 50
µW POWER DOWN MODE
ADS7812
ADS7812
8k
(1)
CDAC
4k
(1)
40k
(1)
20k
(1)
Internal
+2.5V Ref
Clock
EXT/INT
DATACLK
DATA
Successive Approximation Register and Control Logic
Serial
Data
Out
Comparator
Buffer
BUSY
PWRD
CONV
R1
IN
R3
IN
REF
BUF
CAP
CS
R2
IN
NOTE: (1) Actual value may vary ±30%.
APPLICATIONS
q DATA ACQUISITION SYSTEMS
q INDUSTRIAL CONTROL
q TEST EQUIPMENT
q DIGITAL SIGNAL PROCESSING


Số phần tương tự - ADS7812U

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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ADS7812U TI1-ADS7812U Datasheet
1,014Kb / 25P
[Old version datasheet]   Low-Power, Serial 12-Bit Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7812U TI1-ADS7812U Datasheet
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Mô tả tương tự - ADS7812U

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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