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Features
- 5Msps/Ch Throughput Rate
- Four Simultaneously Sampling Channels
- Guaranteed 14-Bit, No Missing Codes
- 8VP-P Differential Inputs with Wide Input Common Mode Range
- 81dB SNR (Typ) at fIN = 2.2MHz
- –88dB THD (Typ) at fIN = 2.2MHz
- 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 45mW/Ch (Typ)
- Small 52-Lead (7mm × 8mm) QFN Package
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The LTC2325-14 is a low noise, high speed quad 14-bit + sign successive approximation register (SAR) ADC with differential inputs and wide input common mode range. Operating from a single 3.3V or 5V supply, the LTC2325-14 has an 8VP-P differential input range, making it ideal for applications which require a wide dynamic range with high common mode rejection. The LTC2325-14 achieves ±1LSB INL typical, no missing codes at 14 bits and 81dB SNR.
The LTC2325-14 has an onboard low drift (20ppm/°C max) 2.048V or 4.096V temperature-compensated reference. The LTC2325-14 also has a high speed SPI-compatible serial interface that supports CMOS or LVDS. The fast 5Msps per channel throughput with one cycle latency makes the LTC2325-14 ideally suited for a wide variety of high speed applications. The LTC2325-14 dissipates only 45mW per channel and offers nap and sleep modes to reduce the power consumption to 26μW for further power savings during inactive periods.
Applications
- High Speed Data Acquisition Systems
- Communications
- Optical Networking
- Multiphase Motor Control
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LTC2325-14
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Data Sheet 1
Reliability Data 1
User Guide 1
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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| LTC2325CUKG-14#PBF |
52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
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| LTC2325CUKG-14#TRPBF |
52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
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| LTC2325HUKG-14#PBF |
52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
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| LTC2325HUKG-14#TRPBF |
52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
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| LTC2325IUKG-14#PBF |
52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
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| LTC2325IUKG-14#TRPBF |
52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
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- LTC2325CUKG-14#PBF
- Pin/Package Drawing
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52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
- Documentation
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
- LTC2325CUKG-14#TRPBF
- Pin/Package Drawing
-
52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LTC2325HUKG-14#PBF
- Pin/Package Drawing
-
52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LTC2325HUKG-14#TRPBF
- Pin/Package Drawing
-
52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LTC2325IUKG-14#PBF
- Pin/Package Drawing
-
52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LTC2325IUKG-14#TRPBF
- Pin/Package Drawing
-
52-Lead QFN (7mm x 8mm x 0.75mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
Evaluation Kits 1
DC2395A-F
LTC2325-14 Demo Board | Quad, 14-Bit, 5Msps/ch Simultaneous Sampling SAR ADC (Requires DC890)
Product Detail
Demonstration circuit 2395A features the LTC2325/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. The DC2395A demonstrates the DC and AC performance of the LTC2325 in conjunction with the DC890 PScope™ data collection board. Alternatively, by connecting the DC2395A into a customer application, the performance of the LTC2325 can be evaluated directly in that circuit.
Resources
Tools & Simulations 1
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
