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Overview
Features and Benefits
- 1Msps Throughput Rate
- ±5LSB INL (Max)
- Guaranteed 18-Bit No Missing Codes
- Pseudo-Differential Inputs
- True Bipolar Input Ranges ±6.25V, ±10.24V, ±12.5V
- 95dB SNR (Typ) at fIN = 2kHz
- –111dB THD (Typ) at fIN = 2kHz
- Guaranteed Operation to 125°C
- Single 5V Supply
- Low Drift (20ppm/°C Max) 2.048V Internal Reference
- Onboard Single-Shot Capable Reference Buffer
- 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
- Power Dissipation 50mW (Typ)
- 16-Lead MSOP Package
Product Details
The LTC2328-18 is a low noise, high speed 18-bit successive approximation register (SAR) ADC with pseudo-differential inputs. Operating from a single 5V supply, the LTC2328-18 has a ±10.24V true bipolar input range, making it ideal for high voltage applications which require a wide dynamic range. The LTC2328-18 achieves ±5LSB INL maximum, no missing codes at 18 bits with 95dB SNR.
The LTC2328-18 has an onboard single-shot capable reference buffer and low drift (20ppm/°C max) 2.048V temperature compensated reference. The LTC2328-18 also 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 LTC2328-18 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2328-18 dissipates only 50mW 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 LTC2328-18 to 300μW for further power savings during inactive periods.
| Bits | |
| LTC2328-16 | 16 |
| LTC2328-18 | 18 |
Applications
- Programmable Logic Controllers
- Industrial Process Control
- High Speed Data Acquisition
- Portable or Compact Instrumentation
- ATE
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Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (1)
Documentation
Reliability Data (1)
Evaluation Kit Manuals (1)
Software & Systems Requirements
Evaluation Code
Evaluation Software
LinearLab Tools
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Tools & Simulations
Linduino
Linduino is Analog Devices’ Arduino compatible system for developing and distributing firmware libraries and example code for our integrated circuits.
Reference Materials
Product Selector Card (4)
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Sample & Buy
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
