Datasheet Linear Technology LTC2421

ManufacturerLinear Technology
SeriesLTC2421

1-/2-Channel 20-Bit µPower No Latency Delta Sigma ADCs in MSOP-10

Datasheets

Datasheet LTC2421, LTC2422
PDF, 381 Kb, Language: en, File uploaded: Aug 21, 2017, Pages: 32
1-/2-Channel 20-Bit µPower No Latency ∆ΣTM ADCs in MSOP-10
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Prices

Packaging

LTC2421CMS#PBFLTC2421CMS#TRPBFLTC2421IMS#PBFLTC2421IMS#TRPBF
N1234
PackageMS-10
Package Outline Drawing
MS-10
Package Outline Drawing
MS-10
Package Outline Drawing
MS-10
Package Outline Drawing
Package CodeMSMSMSMS
Package Index05-08-166105-08-166105-08-166105-08-1661
Pin Count10101010

Parametrics

Parameters / ModelsLTC2421CMS#PBFLTC2421CMS#TRPBFLTC2421IMS#PBFLTC2421IMS#TRPBF
ADC INL, LSB4.194.194.194.19
ADCs1111
ArchitectureDelta SigmaDelta SigmaDelta SigmaDelta Sigma
Bipolar/Unipolar InputUnipolarUnipolarUnipolarUnipolar
Bits, bits20202020
Number of Channels1111
DNL, LSB1111
Design ToolsLinduino FileLinduino FileLinduino FileLinduino File
Export Controlnononono
FeaturesNo LatencyNo LatencyNo LatencyNo Latency
I/OSerial SPISerial SPISerial SPISerial SPI
INL ppm, ppm4444
Input DriveSingle-EndedSingle-EndedSingle-EndedSingle-Ended
Input Span-0.3V to VREF +12.5%-0.3V to VREF +12.5%-0.3V to VREF +12.5%-0.3V to VREF +12.5%
Internal Referencenononono
Operating Temperature Range, °C0 to 700 to 70-40 to 85-40 to 85
Power, mW1111
Simultaneousnononono
Speed, ksps0.00750.00750.00750.0075
Supply Voltage Range2.7V to 5.5V2.7V to 5.5V2.7V to 5.5V2.7V to 5.5V

Eco Plan

LTC2421CMS#PBFLTC2421CMS#TRPBFLTC2421IMS#PBFLTC2421IMS#TRPBF
RoHSCompliantCompliantCompliantCompliant

Other Options

LTC2422 LTC2422

Application Notes

  • Delta Sigma ADC Bridge Measurement Techniques &mdash AN96
    PDF, 232 Kb, File published: Jan 17, 2005
    AN96 features several applications that demonstrate how to take full advantage of Linear Technology's delta sigma ADCs when interfacing to sensors. In many cases, signal conditioning can be greatly simplified or eliminated completely. This note explains where it is appropriate to use amplifiers and how to optimize amplifier gain. Also included are discussions on measuring effective number of bits (ENOB) and the relationship to instrument performance, frequency response of delta sigma ADCs, and test techniques. C source code for all of the applications is included to aid firmware development.
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Design Notes

  • 1- and 2-Channel No Latency О”ОЈв„ў 24-Bit ADCs Easily Digitize a Variety of Sensors, Part 1 &mdash DN236
    PDF, 96 Kb, File published: Jul 10, 2001
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  • 1- and 2-Channel No Latency О”ОЈв„ў 24-Bit ADCs Easily Digitize a Variety of Sensors, Part 2 &mdash DN237
    PDF, 73 Kb, File published: Jul 20, 2001
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Model Line

Manufacturer's Classification

  • Data Conversion > Analog-to-Digital Converters (ADC) > Precision ADCs (Fs < 10Msps) > Single Channel ADCs
EMS supplier