LTC2327-18
18-Bit, 500ksps, ±10.24V True Bipolar, Pseudo-Differential Input ADC with 95dB SNR
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Features
- 500ksps 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 36mW (Typ)
- 16-Lead MSOP Package
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The LTC2327-18 is a low noise, high speed 18-bit successive approximation register (SAR) ADC with pseudo-differential inputs. Operating from a single 5V supply, the LTC2327-18 has a ±10.24V true bipolar input range, making it ideal for high voltage applications which require a wide dynamic range. The LTC2327-18 achieves ±5LSB INL maximum, no missing codes at 18 bits with 95dB SNR.
The LTC2327-18 has an onboard single-shot capable reference buffer and low drift (20ppm/°C max) 2.048V temperature compensated reference. The LTC2327-18 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 500ksps throughput with no cycle latency makes the LTC2327-18 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2327-18 dissipates only 36mW 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 LTC2327-18 to 300μW for further power savings during inactive periods.
| Bits | |
| LTC2327-16 | 16 |
| LTC2327-18 | 18 |
Applications
- Programmable Logic Controllers
- Industrial Process Control
- High Speed Data Acquisition
- Portable or Compact Instrumentation
- ATE
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LTC2327-18
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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.
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Feb 4, 2020
- 20_0132
Laser Top Mark for 16-Lead MSOP Packages Assembled in ADPG and UTAC
LTC2327CMS-18#PBF
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PRODUCTION
LTC2327HMS-18#PBF
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LTC2327HMS-18#TRPBF
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LTC2327IMS-18#PBF
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LTC2327IMS-18#TRPBF
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Filter by Model
Part Models
Product Lifecycle
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Feb 4, 2020
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Laser Top Mark for 16-Lead MSOP Packages Assembled in ADPG and UTAC
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PRODUCTION
LTC2327CMS-18#TRPBF
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LTC2327HMS-18#PBF
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Multichannel Voltage Output D/A Converters1 |
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16-Channel 16-/12-Bit ±10V VOUT SoftSpan DACs with 10ppm/°C Max Reference |
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SPI Isolators1 |
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100MHz Isolated ADC Serial Interface |
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The PScope System is a USB-based product demonstration and data acquisition system for use with high performance ADCs and signal chain receiver family. PScope allows users to evaluate the SNR, SFDR, THD, as well as other key parameters, quickly and easily.
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Request a Driver/SoftwareEvaluation Kits 1
DC1908A-E
LTC2327-18 Demo Board |18-Bit, 500ksps, Single-Ended SAR ADC with True Bipolar +/-10V Inputs. Req DC590 or DC718
Product Detail
The LTC®2338/LTC2337/LTC2336/LTC2328/LTC2327/ LTC2326 are true bipolar, low power, low noise ADCs with serial outputs that can operate from a single 5V supply. The demo manual refers to the LTC2338-18 but applies to all parts in the family, the only difference being the maximum sample rates and the number of bits. The LTC2338-18 supports a ±20.48V fully differential input range with a 100dB SNR, consumes only 50mW and achieves ±4LSB INL max with no missing codes at 18 bits. The DC1908A demonstrates the DC and AC performance of the LTC2338‑18 in conjunction with the DC590 QuikEval™ and DC718 PScope™ data collection boards.
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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.
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