LTC2373-18
PRODUCTION18-Bit, 1Msps, 8-Channel SAR ADC with 100dB SNR
- Part Models
- 6
- 1ku List Price
- Starting From $20.49
Overview
- 1Msps Throughput Rate
- 18-Bit Resolution with No Missing Codes
- 8-Channel Multiplexer with Selectable Input Range
- Fully Differential (±4.096V)
- Pseudo-Differential Unipolar (0V to 4.096V)
- Pseudo-Differential Bipolar (±2.048V)
- INL: ±2.75LSB (Maximum)
- SNR: 100dB (Fully Differential)/95dB (Pseudo-
Differential) (Typical) at fIN = 1kHz - THD: –110dB (Typical) at fIN = 1kHz
- Programmable Sequencer
- Selectable Digital Gain Compression
- Single 5V Supply with 1.8V to 5V I/O Voltages
- SPI-Compatible Serial I/O
- Onboard 2.048V Reference and Reference Buffer
- No Pipeline Delay, No Cycle Latency
- Power Dissipation 40mW (Typical)
- Guaranteed Operation to 125°C
- 32-Lead 5mm × 5mm QFN Package
The LTC2373-18 is a low noise, high speed, 8-channel 18-bit successive approximation register (SAR) ADC. Operating from a single 5V supply, the LTC2373-18 has a highly configurable, low crosstalk 8-channel input multiplexer, supporting fully differential, pseudo-differential unipolar and pseudo-differential bipolar analog input ranges. The LTC2373-18 achieves ±2.75LSB INL (maximum) in all input ranges, no missing codes at 18-bits and 100dB (fully differential)/ 95dB (pseudo-differential) SNR (typical).
The LTC2373-18 has an onboard low drift (20ppm/°C max) 2.048V temperature-compensated reference and a singleshot capable reference buffer. The LTC2373-18 also has a high speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V and 5V logic through which a sequencer with a depth of 16 may be programmed. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2373-18 dissipates only 40mW and automatically naps between conversions, leading to reduced power dissipation that scales with the sampling rate. A sleep mode is also provided to reduce the power consumption of the LTC2373-18 to 300μW for further power savings during inactive periods.
Applications
- Programmable Logic Controllers
- Industrial Process Control
- High Speed Data Acquisition
- Portable or Compact Instrumentation
- ATE
Documentation
Data Sheet 1
Reliability Data 1
User Guide 1
Technical Articles 2
Product Selector Card 2
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 |
|---|---|---|---|
| LTC2373CUH-18#PBF | 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP) | ||
| LTC2373CUH-18#TRPBF | 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP) | ||
| LTC2373HUH-18#PBF | 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP) | ||
| LTC2373HUH-18#TRPBF | 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP) | ||
| LTC2373IUH-18#PBF | 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP) | ||
| LTC2373IUH-18#TRPBF | 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Feb 20, 2022 - 21_0269 Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products |
||
| LTC2373CUH-18#PBF | PRODUCTION | |
| LTC2373CUH-18#TRPBF | PRODUCTION | |
| LTC2373HUH-18#PBF | PRODUCTION | |
| LTC2373HUH-18#TRPBF | PRODUCTION | |
| LTC2373IUH-18#PBF | PRODUCTION | |
| LTC2373IUH-18#TRPBF | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
Evaluation Software 2
LinearLab Tools
A collection of Matlab and Python programs that provide direct access to Linear Technology’s data converter evaluation boards.
Can't find the software or driver you need?
Hardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Analog to Digital Converters (ADCs) 1 | ||
| LTC2378-20 | PRODUCTION | 20-Bit, 1Msps, Low Power SAR ADC with 0.5ppm INL |
| Differential Amplifiers 2 | ||
| LTC6362 | LAST TIME BUY | Precision, Low Power Rail-to-Rail Input/Output Differential Op Amp/SAR ADC Driver |
| LT6350 | RECOMMENDED FOR NEW DESIGNS | Low Noise Single-Ended to Differential Converter/ADC Driver |
| Digital to Analog Converters (DACs) 1 | ||
| LTC2756 | PRODUCTION | Serial 18-Bit SoftSpan IOUT DAC |
Tools & Simulations
Linduino 3
IBIS Model 1
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.
Evaluation Kits
LTC2373-18 Demo Board | 18-Bit, 1Msps, 8-Channel SAR ADC with 100dB SNR (Requires DC590, DC2026 or DC890)
Resources
Software
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