Linear Technology LTC2421CMS#PBF
- Part Number:
- LTC2421CMS#PBF
- Manufacturer:
- Linear Technology
- Ventron No:
- 3010921-LTC2421CMS#PBF
- Description:
- IC ADC 1CH 20BIT MICRPWR 10-MSOP
- Datasheet:
- LTC2421CMS#PBF
Description
The LTC2421/LTC2422 are 1- and 2-channel 20-bit analog-to-digital converters (ADCs) with an integrated oscillator, 8ppm INL, and 1.2ppm RMS noise. These devices use delta-sigma technology and a new digital filter architecture that settles in a single cycle, eliminating latency found in conventional AΣ converters. They accept an external reference voltage from 0.1V to Vcc and have an extended input conversion range of -12.5% VREF to 112.5% VREF. The LTC2421/LTC2422 communicate through a 2- or 3-wire digital interface that is compatible with SPI and MICROWIRE™ protocols.
Features
1-/2-Channel 20-Bit μPower No Latency ATM ADCs in MSOP-10
Single Supply 2.7V to 5.5V Operation
Low Supply Current (200μA) and Auto Shutdown
Automatic Channel Selection (Ping-Pong) (LTC2422)
No Latency: Digital Filter Settles in a Single Conversion Cycle
8ppm INL, No Missing Codes
4ppm Full-Scale Error
0.5ppm Offset
1.2ppm Noise
Zero Scale and Full Scale Set for Reference and Ground Sensing
Internal Oscillator-No External Components Required
110dB Min, 50Hz/60Hz Notch Filter
Reference Input Voltage: 0.1V to Vcc
Live Zero-Extended Input Range Accommodates 12.5% Overrange and Underrange
Pin Compatible with LTC2401/LTC2402
Applications
Weight Scales
Direct Temperature Measurement
Gas Analyzers
Strain Gauge Transducers
Instrumentation
Data Acquisition
Industrial Process Control
The LTC2421/LTC2422 are 1- and 2-channel 20-bit analog-to-digital converters (ADCs) with an integrated oscillator, 8ppm INL, and 1.2ppm RMS noise. These devices use delta-sigma technology and a new digital filter architecture that settles in a single cycle, eliminating latency found in conventional AΣ converters. They accept an external reference voltage from 0.1V to Vcc and have an extended input conversion range of -12.5% VREF to 112.5% VREF. The LTC2421/LTC2422 communicate through a 2- or 3-wire digital interface that is compatible with SPI and MICROWIRE™ protocols.
Features
1-/2-Channel 20-Bit μPower No Latency ATM ADCs in MSOP-10
Single Supply 2.7V to 5.5V Operation
Low Supply Current (200μA) and Auto Shutdown
Automatic Channel Selection (Ping-Pong) (LTC2422)
No Latency: Digital Filter Settles in a Single Conversion Cycle
8ppm INL, No Missing Codes
4ppm Full-Scale Error
0.5ppm Offset
1.2ppm Noise
Zero Scale and Full Scale Set for Reference and Ground Sensing
Internal Oscillator-No External Components Required
110dB Min, 50Hz/60Hz Notch Filter
Reference Input Voltage: 0.1V to Vcc
Live Zero-Extended Input Range Accommodates 12.5% Overrange and Underrange
Pin Compatible with LTC2401/LTC2402
Applications
Weight Scales
Direct Temperature Measurement
Gas Analyzers
Strain Gauge Transducers
Instrumentation
Data Acquisition
Industrial Process Control
Linear Technology LTC2421CMS#PBF technical specifications, attributes, parameters and parts with similar specifications to Linear Technology LTC2421CMS#PBF.
- Factory Lead Time8 Weeks
- Mounting TypeSurface Mount
- Package / Case10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
- Surface MountYES
- Operating Temperature0°C~70°C
- PackagingTube
- SeriesmicroPOWER™
- Published2002
- JESD-609 Codee3
- Part StatusActive
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations10
- ECCN CodeEAR99
- Terminal FinishMatte Tin (Sn)
- SubcategoryAnalog to Digital Converters
- TechnologyCMOS
- Terminal PositionDUAL
- Terminal FormGULL WING
- Peak Reflow Temperature (Cel)260
- Number of Functions1
- Terminal Pitch0.5mm
- Time@Peak Reflow Temperature-Max (s)30
- Base Part NumberLTC2421
- Pin Count10
- Qualification StatusNot Qualified
- Power Supplies3/5V
- ConfigurationADC
- Number of Bits20
- Input TypeSingle Ended
- ArchitectureSigma-Delta
- Number of Inputs1
- Reference TypeExternal
- Data InterfaceSPI
- Voltage - Supply, Analog2.7V~5.5V
- Voltage - Supply, Digital2.7V~5.5V
- Number of Analog In Channels1
- Sampling Rate (Per Second)7.5
- Output Bit CodeBINARY
- Analog Input Voltage-Max5.5V
- Output FormatSERIAL
- Length3mm
- Width3mm
- RoHS StatusROHS3 Compliant
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