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Features
- 5Msps Throughput Rate
- No Pipeline Delay, No Cycle Latency
- 95.7dB SNR (Typ) at fIN = 1MHz
- 101dB SFDR (Typ) at fIN = 1MHz
- Nyquist Sampling Up to 2.5MHz Input
- Guaranteed 18-Bit, No Missing Codes
- ±1.5LSB INL (Max)
- 8.192VP-P Differential Inputs
- 5V and 2.5V Supplies
- Internal 20ppm/°C (Max) Reference
- Serial LVDS Interface
- 78mW Power Dissipation
- 32-Pin (5mm × 5mm) QFN Package
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The LTC2385-18 is a low noise, high speed, 18-bit 5Msps successive approximation register (SAR) ADC ideally suited for a wide range of applications. The combination of excellent linearity and wide dynamic range makes the LTC2385-18 ideal for high speed imaging and instrumentation applications. No-latency operation provides a unique solution for high speed control loop applications. The very low distortion at high input frequencies enables communications applications requiring wide dynamic range and significant signal bandwidth.
To support high speed operation while minimizing the number of data lines, the LTC2385-18 features a serial LVDS digital interface. The LVDS interface has one-lane and two-lane output modes, allowing the user to optimize the interface data rate for each application.
Applications
- High Speed Data Acquisition
- Imaging
- Communications
- Control Loops
- Instrumentation
- ATE
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LTC2385-18
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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.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
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| LTC2385CUH-18#PBF |
32-Lead QFN (5mm x 5mm x 0.75mm w/ EP)
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| LTC2385CUH-18#TRPBF |
32-Lead QFN (5mm x 5mm x 0.75mm w/ EP)
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| LTC2385IUH-18#PBF |
32-Lead QFN (5mm x 5mm x 0.75mm w/ EP)
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| LTC2385IUH-18#TRPBF |
32-Lead QFN (5mm x 5mm x 0.75mm w/ EP)
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- LTC2385CUH-18#PBF
- Pin/Package Drawing
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32-Lead QFN (5mm x 5mm 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
- LTC2385CUH-18#TRPBF
- Pin/Package Drawing
-
32-Lead QFN (5mm x 5mm x 0.75mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LTC2385IUH-18#PBF
- Pin/Package Drawing
-
32-Lead QFN (5mm x 5mm x 0.75mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LTC2385IUH-18#TRPBF
- Pin/Package Drawing
-
32-Lead QFN (5mm x 5mm x 0.75mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
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Product Lifecycle
PCN
Feb 20, 2022
- 21_0269
Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products
LTC2385CUH-18#PBF
PRODUCTION
LTC2385CUH-18#TRPBF
PRODUCTION
LTC2385IUH-18#PBF
PRODUCTION
LTC2385IUH-18#TRPBF
PRODUCTION
Filter by Model
Part Models
Product Lifecycle
PCN
Feb 20, 2022
- 21_0269
Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products
LTC2385CUH-18#PBF
PRODUCTION
LTC2385CUH-18#TRPBF
PRODUCTION
LTC2385IUH-18#PBF
PRODUCTION
LTC2385IUH-18#TRPBF
PRODUCTION
Software & Part Ecosystem
| Parts | Product Life Cycle | Description | ||
|---|---|---|---|---|
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High Speed Op Amps (Bandwidth ≥ 50MHz)1 |
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PRODUCTION |
Dual 165MHz, Rail-to-Rail Input and Output, 0.95nV/√Hz Low Noise, Op Amp Family |
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Precision Op Amps (Vos ≤1mV & TCVos ≤2uV/C)1 |
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RECOMMENDED FOR NEW DESIGNS |
Dual Rail-to-Rail Output 215MHz, 1.1nV/√Hz Op Amp/SAR ADC Driver |
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Series Voltage References1 |
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PRODUCTION |
0.25ppm Noise, Low Drift Precision References |
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| Parts | Product Life Cycle | Description |
|---|---|---|
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PRODUCTION |
18-Bit, 15Msps SAR ADC |
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?
Request a Driver/SoftwareEvaluation Kits 1
DC2290A-E
LTC2385-18 Demo Board | 18-Bit, 5Msps SAR ADC (Requires DC718 & ADC Driver board)
Product Detail
Demonstration circuit 2290A features the LTC2387 family. With up to 15Msps, these differential input, single channel, 18-/16-Bit, serial, high speed successive approximation register (SAR) ADCs are available in a 32-Pin QFN package. The LTC2387 family has an internal 20ppm/°C reference and a serial LVDS interface. The demo manual refers to the LTC2387 but applies to all members of the family, the only difference being the sample rate and the number of bits. The DC2290A demonstrates the AC performance of the LTC2387 in conjunction with the DC718 data collection board. Differential amplifier demo boards are available separately that provide amplification of low level differential signals if required. Alternatively, by connecting the DC2290A into a customer application the performance of the LTC2387 can be evaluated directly in that circuit.
Resources
Tools & Simulations 1
IBIS Model 1
IBIS Model