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546.00KB
Linduino
LTC2378 Linduino Header File
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Linduino
LTC2378-20 Linduino Header File
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Linduino
LTC2378 - DC1925A Linduino .INO File
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LTspice
LT1637/LT1468/LT5400 Demo Circuit - ±10V Single-Ended to ±5V Fully Differential ADC Driver using Matched Resistors
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Features
- 1Msps Throughput Rate
- ±0.5ppm INL (Typ)
- Guaranteed 20-Bit No Missing Codes
- Low Power: 21mW at 1Msps, 21μW at 1ksps
- 104dB SNR (Typ) at fIN = 2kHz
- –125dB THD (Typ) at fIN = 2kHz
- Digital Gain Compression (DGC)
- Guaranteed Operation to 85°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 × 3mm DFN Packages
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The LTC2378-20 is a low noise, low power, high speed 20-bit successive approximation register (SAR) ADC. Operating from a 2.5V supply, the LTC2378-20 has a ±VREF fully differential input range with VREF ranging from 2.5V to 5.1V. The LTC2378-20 consumes only 21mW and achieves ±2ppm INL maximum, no missing codes at 20 bits with 104dB SNR.
The LTC2378-20 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 LTC2378-20 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2378-20 automatically powers down between conversions, leading to reduced power dissipation that scales with the sampling rate.
The LTC2378-20 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 0V 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.
Applications
- Medical Imaging
- High Speed Data Acquisition
- Portable or Compact Instrumentation
- Industrial Process Control
- Low Power Battery-Operated Instrumentation
- ATE
5
546.00KB
Linduino
LTC2378 Linduino Header File
4.00KB
Linduino
LTC2378-20 Linduino Header File
5.00KB
Linduino
LTC2378 - DC1925A Linduino .INO File
7.00KB
LTspice
LT1637/LT1468/LT5400 Demo Circuit - ±10V Single-Ended to ±5V Fully Differential ADC Driver using Matched Resistors
4.00KB
Ask a Question
Submit your question below and we will return the best answer from ADI’s knowledge database:
Search
Other places you can find help
Support
Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.
Visit the ADI Support Page
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LTC2378-20
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Technical Articles 7
Precision Fully Differential Op Amp Drives High Resolution ADCs at Low Power
High Performance Source for ADC and Audio Test with Novel Digital Predistortion
LTspice: Simulating SAR ADC Analog Inputs
Converting a Low Distortion Single-Ended Sine Source to Fully Differential
Digital Gain Compression (DGC) for SAR ADCs
Short Ground Leads Make Better Scope Photos
Can You Use the Voltage Reference to Power Your ADC Driver?
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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
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| LTC2378CDE-20#PBF |
16-Lead DFN (4mm x 3mm w/ EP)
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| LTC2378CDE-20#TRPBF |
16-Lead DFN (4mm x 3mm w/ EP)
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| LTC2378CMS-20#PBF |
16-Lead MSOP
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| LTC2378CMS-20#TRPBF |
16-Lead MSOP
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| LTC2378IDE-20#PBF |
16-Lead DFN (4mm x 3mm w/ EP)
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| LTC2378IDE-20#TRPBF |
16-Lead DFN (4mm x 3mm w/ EP)
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| LTC2378IMS-20#PBF |
16-Lead MSOP
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| LTC2378IMS-20#TRPBF |
16-Lead MSOP
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- LTC2378CDE-20#PBF
- Pin/Package Drawing
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16-Lead DFN (4mm x 3mm w/ EP)
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HTML
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HTML
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Ultra Librarian
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SamacSys
- LTC2378CDE-20#TRPBF
- Pin/Package Drawing
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16-Lead DFN (4mm x 3mm w/ EP)
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HTML
Material Declaration
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HTML
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Ultra Librarian
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SamacSys
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16-Lead MSOP
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HTML
Material Declaration
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HTML
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Ultra Librarian
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SamacSys
- LTC2378CMS-20#TRPBF
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16-Lead MSOP
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HTML
Material Declaration
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HTML
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Ultra Librarian
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SamacSys
- LTC2378IDE-20#PBF
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16-Lead DFN (4mm x 3mm w/ EP)
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HTML
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16-Lead DFN (4mm x 3mm w/ EP)
- Documentation
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HTML
Material Declaration
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HTML
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Ultra Librarian
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16-Lead MSOP
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HTML
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HTML
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Ultra Librarian
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SamacSys
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16-Lead MSOP
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HTML
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HTML
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Feb 4, 2020
- 20_0132
Laser Top Mark for 16-Lead MSOP Packages Assembled in ADPG and UTAC
LTC2378CMS-20#PBF
PRODUCTION
LTC2378CMS-20#TRPBF
PRODUCTION
LTC2378IMS-20#PBF
PRODUCTION
LTC2378IMS-20#TRPBF
PRODUCTION
Filter by Model
Part Models
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PCN
Feb 4, 2020
- 20_0132
Laser Top Mark for 16-Lead MSOP Packages Assembled in ADPG and UTAC
LTC2378CMS-20#PBF
PRODUCTION
LTC2378CMS-20#TRPBF
PRODUCTION
LTC2378IMS-20#PBF
PRODUCTION
LTC2378IMS-20#TRPBF
PRODUCTION
Software & Part Ecosystem
| Parts | Product Life Cycle | Description | ||
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Fully Differential Amplifiers1 |
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LAST TIME BUY |
Precision, Low Power Differential Amplifier/ADC Driver Family |
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I²C Isolators1 |
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PRODUCTION |
SPI/Digital or I2C μModule Isolator with Adjustable ±12.5V and 5V Regulated Power |
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Precision Resistor Network1 |
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RECOMMENDED FOR NEW DESIGNS |
Quad Matched Resistor Network |
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Series Voltage References1 |
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PRODUCTION |
0.25ppm Noise, Low Drift Precision References |
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SPI Isolators1 |
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PRODUCTION |
100MHz Isolated ADC Serial Interface |
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Can't find the software or driver you need?
Request a Driver/SoftwareEvaluation Kits 4
EVAL-ADMX1001
Ultra-low Distortion Signal Generator Measurement Module with Fully Differential Input Acquisition Channel
Features and Benefits
- Ultra-low distortion, high-resolution source
- DC, 50Hz to 40kHz Frequency Range
- Proprietary digital pre-distortion (DPD) algorithm
- –130dBc THD @ 1kHz (typ.)
- Arbitrary waveform generation (AWG) with on-board pattern memory
- Differential (balanced) output up to 3.5VRMS
- Fast pattern switching between multiple stored waveforms
- Fully Differential input Acquisition Channel
- Small form-factor (60mm x 40mm)
- Low power, 1W typ. (quiescent)
- SPI interface for integration into test and measurement systems
Product Detail
The ADMX1001 is an ultra-low distortion sinewave and high-resolution arbitrary waveform generator with an acquisition channel. This high-performance module demonstrates a proprietary digital pre-distortion algorithm that reduces signal distortion below levels that can be achieved with high-performance digital-to-analog converters (DAC) and amplifiers alone. Its differential output can be set to common-mode levels often required to test high-performance analog-to-digital converters (ADC), audio codecs, and other audio ICs and systems. The signal generator and the acquisition channel can be individually controlled using separate, easy to use, SPI interfaces - combined with the module's small-form factor, the ADMX1001 can be easily embedded into test systems, or simply used on the bench for measurement and characterization.
APPLICATIONS
- High-end audio test
- Analog-to-digital converter characterization and test
- Sensor and transducer test
- Frequency response and network analysis
- ATE
EVAL-ADMX1002
Ultra-low Distortion Signal Generator Measurement Module
Features and Benefits
- Ultra-low distortion, high-resolution source
- DC, 50Hz to 40kHz Frequency Range
- Proprietary digital pre-distortion (DPD) algorithm
- –130dBc THD @ 1kHz (typ.)
- Arbitrary waveform generation (AWG) with on-board pattern memory
- Differential (balanced) output up to 3.6VRMS
- Fast pattern switching between multiple stored waveforms
- Small form-factor (60mm x 40mm)
- Low power, 1W typ. (quiescent)
- SPI interface for integration into test and measurement systems
Product Detail
The ADMX1002 is an ultra-low distortion sinewave and high-resolution arbitrary waveform generator. This high-performance module demonstrates a proprietary digital pre-distortion algorithm that reduces signal distortion below levels that can be achieved with high-performance digital-to-analog converters (DAC) and amplifiers alone. Its differential output can be set to common-mode levels often required to test high-performance analog-to-digital converters (ADC), audio codecs, and other audio ICs and systems. With an easy-to-use SPI interface and small-form factor, the ADMX1002 can be easily embedded into test systems, or simply used on the bench for measurement and characterization.
APPLICATIONS
- High-end audio test
- Analog-to-digital converter characterization and test
- Sensor and transducer test
- Frequency response and network analysis
- ATE
DC1925A-A
LTC2378-20 Demo Board | 20-Bit, 1Msps, SAR ADC with 104dB SNR. Requires DC2026
Product Detail
The LTC2378-20, LTC2377-20 and LTC2376-20 are 20‑bit, low power, low noise SAR ADCs with serial outputs that operate from a single 2.5V supply. The demo manual refers to the LTC2378-20 but applies to all parts in the family, the only difference being the maximum sample rate. The LTC2378-20 supports a ±5V fully differential input range with a 104dB SNR, consumes only 21mW and achieves ±2ppm INL max with no missing codes at 20 bits. The DC1925A demonstrates the DC and AC performance of the LTC2378-20 in conjunction with the DC590 QuikEval™ and DC890 PScope™ data collection boards. Use the DC590 to demonstrate DC performance such as peak-to-peak noise and DC linearity.
Resources
DC2135A
LTC2378-20 and LT1468 Demo | Converts ±10V Single-Ended Signal with 2ppm Linearity (requires DC590 or DC890)
Product Detail
Demonstration circuit 2135A shows a simple DC accurate ADC driver circuit that converts a ±10V single-ended input signal into a fully differential signal capable of driving the LTC2378-20 with a combined linearity error of only 2ppm. The LTC2378-20 is a low power, low noise 20-bit SAR ADC with a serial output that operates from a single 2.5V supply. The demo manual refers to the LTC2378-20 but applies to all parts in the family, the only difference being the maximum sample rate. The LTC2378-20 supports a ±5V fully differential input range with a 104dB SNR, consumes only 21mW and achieves ±2ppm INL max with no missing codes at 20 bits. The DC2135A is the PCB that goes with DN1032. Refer to this design note for the theory of operation for this demo circuit. An option for a pseudo differential input drive is provided.
Resources
Evaluation Kits4
Tools & Simulations 4
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
To launch ready-to-run LTspice demonstration circuits for this part:
Step 1: Download and install LTspice on your computer.
Step 2: Click on the link in the section below to download a demonstration circuit.
Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.
Lt Spice
Precision ADC Driver Tool
Linduino 3
Linduino
Linduino is Analog Devices’ Arduino compatible system for developing and distributing firmware libraries and example code for our integrated circuits. Each Linduino-supported product includes an example main program, defined in the LTSketchbook/Part Number folder and driver code, defined in the LTSketchbook/libraries folder.
Linduino code repository on GitHub and instructions on how to use the code.
IBIS Model 1
