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LTC1296DISW

Description
Single Chip 12-Bit Data Acquisition System
CategoryAnalog mixed-signal IC    converter   
File Size383KB,28 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric View All

LTC1296DISW Overview

Single Chip 12-Bit Data Acquisition System

LTC1296DISW Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeSOIC
package instructionSOP, SOP20,.4
Contacts20
Manufacturer packaging codeSW
Reach Compliance Codenot_compliant
ECCN codeEAR99
Maximum analog input voltage5 V
Converter typeADC, SUCCESSIVE APPROXIMATION
JESD-30 codeR-PDSO-G20
JESD-609 codee0
length13.3 mm
Maximum linear error (EL)0.0183%
Humidity sensitivity level1
Nominal negative supply voltage-5 V
Number of analog input channels8
Number of digits12
Number of functions1
Number of terminals20
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output bit codeBINARY
Output formatSERIAL
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP20,.4
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)235
power supply5/+-5 V
Certification statusNot Qualified
Sampling rate0.0465 MHz
Sample and hold/Track and holdSAMPLE
Maximum seat height2.95 mm
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width7.493 mm
Base Number Matches1
LTC1293/LTC1294/LTC1296
Single Chip 12-Bit
Data Acquisition System
FEATURES
DESCRIPTIO
Software Programmable Features
Unipolar/Bipolar Conversion
Differential/Single Ended Inputs
MSB-First or MSB/LSB Data Sequence
Power Shutdown
Built-In Sample and Hold
Single Supply 5V or
±5V
Operation
Direct 4-Wire Interface to Most MPU Serial
Ports and All MPU Parallel Ports
46.5kHz Maximum Throughput Rate
System Shutdown Output (LTC1296)
KEY SPECIFICATIO S
The LTC1293/4/6 is a family of data acquisition systems
which contain a serial I/O successive approximation A/D
converter. It uses LTCMOS
TM
switched capacitor technol-
ogy to perform either 12-bit unipolar, or 11-bit plus sign
bipolar A/D conversions. The input multiplexer can be
configured for either single ended or differential inputs (or
combinations thereof). An on-chip sample and hold is
included for all single ended input channels. When the
LTC1293/4/6 is idle it can be powered down in applica-
tions where low power consumption is desired. The
LTC1296 includes a System Shutdown Output pin which
can be used to power down external circuitry, such as
signal conditioning circuitry prior to the input mux.
The serial I/O is designed to communicate without external
hardware to most MPU serial ports and all MPU parallel
I/O ports allowing up to eight channels of data to be
transmitted over as few as three wires.
LTCMOS
TM
is a trademark of Linear Technology Corporation
Resolution: 12 Bits
Fast Conversion Time: 12µs Max Over Temp
Low Supply Current: 6.0mA
TYPICAL APPLICATI
12-Bit Data Acquisition System with Power Shutdown
R
B
5.1k
2N3906
+
R1
10k
1/4 LT1014
R2
1.2M
CH0
CH1
CH2
CH3
V
CC
SSO
CLK
CS
R2
1.2M
C2
1µF
350Ω STRAIN
GAUGE BRIDGE
CH4
CH5
CH6
CH7
COM
LTC1296
D
OUT
D
IN
REF
+
REF
AGND
V
THREE ADDITIONAL STRAIN GAUGE INPUTS
CAN BE ACCOMMODATED USING THE OTHER
AMPLIFIERS IN THE LT1014
DGND
U
74HC04
47µF
+5V
MPU
1N4148
LTC1293 TA01
UO
U
129346fs
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