Linear Technology LTC2378CDE-18#PBF
- Part Number:
- LTC2378CDE-18#PBF
- Manufacturer:
- Linear Technology
- Ventron No:
- 3017295-LTC2378CDE-18#PBF
- Description:
- IC ADC 18BIT 1MSPS 16-DFN
- Datasheet:
- LTC2378CDE-18#PBF
Description
The LTC2378-18 is a low noise, low power, high speed 18-bit successive approximation register (SAR) ADC. Operating from a 2.5V supply, the LTC2378-18 has a VREF fully differential input range with VREF ranging from 2.5V to 5.1V. The LTC2378-18 consumes only 13.5mW and achieves 1.75LSB INL maximum, no missing codes at 18 bits with 102dB SNR.
The LTC2378-18 has a high speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V and 5V logic while also featuring a daisy-chain mode. The fast 1Msps throughput with no cycle latency makes the LTC2378-18 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2378-18 automatically powers down between conversions, leading to reduced power dissipation that scales with the sampling rate.
The LTC2378-18 features a unique digital gain compression (DGC) function, which eliminates the driver amplifier's negative supply while preserving the full resolution of the ADC. When enabled, the ADC performs a digital scaling function that maps zero-scale code from OV to 0.1 VREF and full-scale code from VREF to 0.9 VREF- For a typical reference voltage of 5V, the full-scale input range is now 0.5V to 4.5V, which provides adequate headroom for powering the driving amplifier from a single 5.5V supply.
Features
1Msps Throughput Rate
1.75LSB INL (Max)
Guaranteed 18-Bit No Missing Codes
Low Power: 13.5mW at 1Msps, 13.5μW at 1ksps
102dB SNR (typ) at fIN = 2kHz
-124dB THD (typ) at fIN = 2kHz
Digital Gain Compression (DGC)
Guaranteed Operation to 125°C
2.5V Supply
Fully Differential Input Range VREF
VREF Input Range from 2.5V to 5.1V
No Pipeline Delay, No Cycle Latency
1.8V to 5V I/O Voltages
SPI-Compatible Serial I/O with Daisy-Chain Mode
Internal Conversion Clock
16-Lead MSOP and 4mm x 3mm DFN Packages
Applications
Medical Imaging
High Speed Data Acquisition
Portable or Compact Instrumentation
Industrial Process Control
Low Power Battery-Operated Instrumentation
The LTC2378-18 is a low noise, low power, high speed 18-bit successive approximation register (SAR) ADC. Operating from a 2.5V supply, the LTC2378-18 has a VREF fully differential input range with VREF ranging from 2.5V to 5.1V. The LTC2378-18 consumes only 13.5mW and achieves 1.75LSB INL maximum, no missing codes at 18 bits with 102dB SNR.
The LTC2378-18 has a high speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V and 5V logic while also featuring a daisy-chain mode. The fast 1Msps throughput with no cycle latency makes the LTC2378-18 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2378-18 automatically powers down between conversions, leading to reduced power dissipation that scales with the sampling rate.
The LTC2378-18 features a unique digital gain compression (DGC) function, which eliminates the driver amplifier's negative supply while preserving the full resolution of the ADC. When enabled, the ADC performs a digital scaling function that maps zero-scale code from OV to 0.1 VREF and full-scale code from VREF to 0.9 VREF- For a typical reference voltage of 5V, the full-scale input range is now 0.5V to 4.5V, which provides adequate headroom for powering the driving amplifier from a single 5.5V supply.
Features
1Msps Throughput Rate
1.75LSB INL (Max)
Guaranteed 18-Bit No Missing Codes
Low Power: 13.5mW at 1Msps, 13.5μW at 1ksps
102dB SNR (typ) at fIN = 2kHz
-124dB THD (typ) at fIN = 2kHz
Digital Gain Compression (DGC)
Guaranteed Operation to 125°C
2.5V Supply
Fully Differential Input Range VREF
VREF Input Range from 2.5V to 5.1V
No Pipeline Delay, No Cycle Latency
1.8V to 5V I/O Voltages
SPI-Compatible Serial I/O with Daisy-Chain Mode
Internal Conversion Clock
16-Lead MSOP and 4mm x 3mm DFN Packages
Applications
Medical Imaging
High Speed Data Acquisition
Portable or Compact Instrumentation
Industrial Process Control
Low Power Battery-Operated Instrumentation
Linear Technology LTC2378CDE-18#PBF technical specifications, attributes, parameters and parts with similar specifications to Linear Technology LTC2378CDE-18#PBF.
- Factory Lead Time18 Weeks
- Mounting TypeSurface Mount
- Package / Case16-WFDFN Exposed Pad
- Surface MountYES
- Operating Temperature0°C~70°C
- PackagingTube
- JESD-609 Codee3
- Part StatusActive
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations16
- Terminal FinishMatte Tin (Sn)
- SubcategoryAnalog to Digital Converters
- TechnologyCMOS
- Terminal PositionDUAL
- Terminal FormNO LEAD
- Peak Reflow Temperature (Cel)NOT SPECIFIED
- Number of Functions1
- Supply Voltage2.5V
- Terminal Pitch0.45mm
- Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED
- Base Part NumberLTC2378
- Pin Count16
- Qualification StatusNot Qualified
- Power Supplies2.5V
- ConfigurationS/H-ADC
- Number of Bits18
- Input TypeDifferential
- ArchitectureSAR
- Number of Inputs1
- Converter TypeADC, SUCCESSIVE APPROXIMATION
- Reference TypeExternal
- Data InterfaceSPI
- Voltage - Supply, Analog2.375V~2.625V
- Voltage - Supply, Digital2.375V~2.625V
- Number of Analog In Channels1
- Sampling Rate (Per Second)1M
- Output Bit Code2'S COMPLEMENT BINARY
- Linearity Error-Max (EL)0.0007%
- Ratio - S/H:ADC1:1
- Output FormatSERIAL
- Analog Input Voltage-Min-2.5V
- Conversion Time-Max0.527μs
- Length4mm
- Height Seated (Max)0.8mm
- Width3mm
- RoHS StatusROHS3 Compliant
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