Features and Benefits
- 1.5Msps/Ch Throughput Rate
- Eight Simultaneously Sampling Channels
- Guaranteed 16-Bit, No Missing Codes
- 8VP-P Differential Inputs with Wide Input Common Mode Range
- 82dB SNR (Typ) at fIN = 500kHz
- –90dB THD (Typ) at fIN = 500kHz
- Guaranteed Operation to 125°C
- Single 3.3V or 5V Supply
- Low Drift (20ppm/°C Max) 2.048V or 4.096V Internal Reference
- 1.8V to 2.5V I/O Voltages
- CMOS or LVDS SPI-Compatible Serial I/O
- Power Dissipation 20mW/Ch (Typ)
- Small 52-Pin (7mm × 8mm) QFN Package
The LTC2320-16 is a low noise, high speed octal 16‑bit successive approximation register (SAR) ADC with differential inputs and wide input common mode range. Operating from a single 3.3V or 5V supply, the LTC2320-16 has an 8VP-P differential input range, making it ideal for applications which require a wide dynamic range with high common mode rejection. The LTC2320-16 achieves ±2LSB INL typical, no missing codes at 16 bits and 82dB SNR.
The LTC2320-16 has an onboard low drift (20ppm/°C max) 2.048V or 4.096V temperature-compensated reference. The LTC2320-16 also has a high speed SPI-compatible serial interface that supports CMOS or LVDS. The fast 1.5Msps per channel throughput with no latency makes the LTC2320-16 ideally suited for a wide variety of high speed applications. The LTC2320-16 dissipates only 20mW per channel and offers nap and sleep modes to reduce the power consumption to 26μW for further power savings during inactive periods.
- High Speed Data Acquisition Systems
- Optical Networking
- Multiphase Motor Control
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)
Demonstration circuit 2395A features the LTC®2325/ LTC2324/LTC2320 family. With up to 5Msps, these differential, multiple channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 52-lead QFN package. Each ADC has an internal 20ppm/°C maximum drift reference and an SPI-compatible serial interface that supports CMOS and LVDS logic. Note the demo board is configured for CMOS operation by default; see the note under JP8 for LVDS operation. The demo manual refers to the LTC2325, but applies to all members of the family, the only difference being the number of channels, the sample rate and/or the number of bits.
Documentation & Resources
R549 Reliability Data3/23/201843 K
DC2395A - Demo Manual11/10/2016546K
Software & Systems Requirements
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.
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