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Analog Devices Inc. LTC2386CUH-16#PBF
- Part No.:
- LTC2386CUH-16#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 32-WFQFN Exposed Pad
- Datasheet:
-
LTC2386CUH-16#PBF.pdf
- Description:
- IC ADC 16BIT SAR 32QFN
- Quantity:
- Payment:
- Shipping:
Inventory:157
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Product details
Overview
LTC2386CUH-16#PBF from Analog Devices (formerly Linear Technology) is a 16-bit, 10 Msps successive approximation register (SAR) analog-to-digital converter with serial LVDS interface, ±0.5 LSB INL (max), 93.8 dB SNR (typ at fIN = 1 MHz), and 8.192 VP-P differential input range. It operates from 5 V and dual 2.5 V supplies, features an internal 2.048 V reference with ±20 ppm/°C max drift, and targets high-speed imaging, instrumentation, and closed-loop control systems requiring no pipeline latency.
For engineers reviewing the LTC2386CUH-16#PBF datasheet, LTC2386CUH-16#PBF pinout, LTC2386CUH-16#PBF application, or LTC2386CUH-16#PBF equivalent, key selection criteria include guaranteed 16-bit no-missing-codes operation, LVDS one/two-lane configurability, 5 MHz Nyquist input bandwidth, low 97 mW power at full rate, and 32-pin 5 mm × 5 mm QFN package with exposed ground pad.
Technical Context
The LTC2386CUH-16#PBF implements a true SAR architecture with no pipeline delay, enabling deterministic sampling timing critical for real-time control loops. Its differential input stage accepts ±4.096 V full-scale swing with common-mode range centered at 2.048 V ±0.1 V, and achieves 75 dB CMRR at 1 MHz.
Conversion is initiated by a differential LVDS CNV+ / CNV– signal or single-ended CNV+ (with CNV– tied to GND), and output data is serialized via LVDS DA+/DA– (and optionally DB+/DB– in two-lane mode) synchronized to DCO+, with tCONV = 72 ns (typ) from CNV edge to first valid data.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit, guaranteed no missing codes - ensures monotonicity and precision across full dynamic range |
| Sampling Rate | 10 Msps maximum - supports real-time digitization of signals up to 5 MHz (Nyquist) |
| SNR | 93.8 dB typical at 1 MHz input - enables >15.3 effective bits for high-fidelity signal capture |
| INL | ±0.5 LSB maximum - maintains accuracy within ±3.125 mV (referred to 4.096 V reference) |
| Power Dissipation | 97 mW at 10 Msps - balances speed and thermal management in dense PCB layouts |
| Reference | Internal 2.048 V bandgap with ±20 ppm/°C max drift - eliminates need for external precision reference in many applications |
| Differential Input Range | ±4.096 V (8.192 VP-P) - accommodates industrial sensor outputs and wide-swing signal chains |
Pinout & Package
Package: 32-lead (5 mm × 5 mm) plastic QFN (UH package) with exposed thermal pad (Pin 33) soldered to PCB ground plane. Pin pitch: 0.5 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND (Pins 1, 4, 10, 21, 26, 29) | Analog/Digital Ground Return | Multiple dedicated ground pins minimize ground bounce; must connect to solid ground plane under package |
| IN+, IN– (Pins 2, 3) | Differential Analog Inputs | Accept ±4.096 V swing with common-mode voltage fixed at 2.048 V ±0.1 V; require matched 180° out-of-phase drive |
| REFGND (Pins 5, 6) | Reference Ground Reference | Low-impedance return for internal reference circuitry; short to exposed pad and bypass with 10 µF capacitor |
| REFBUF (Pins 7, 8) | 2× Reference Buffer Output | Provides 4.096 V buffered reference; can be overdriven with external source if higher accuracy required |
| REFIN (Pin 9) | Internal Reference Output / External Reference Input | Outputs 2.048 V internal reference; accepts external 2.008–2.088 V reference for improved stability or accuracy |
| VDD (Pins 11, 12) | 5 V Analog Supply | 4.75–5.25 V supply powering analog core; bypass with 0.1 µF + 10 µF ceramics to GND |
| PD (Pin 13) | Power-Down Control | Active-low digital input (OVDD-referenced); reduces total current to 10 µA when asserted |
| TESTPAT (Pin 14) | LVDS Test Pattern Enable | When high, forces known pseudo-random pattern on DA/DB outputs for interface validation |
| DA+, DA– (Pins 17, 18) | Primary LVDS Data Output | Carries serialized 16-bit output in one-lane mode; active in both one- and two-lane configurations |
| DB+, DB– (Pins 15, 16) | Secondary LVDS Data Output | Active only when TWOLANES = high; outputs even/odd bit pairs to halve data rate per lane |
| DCO+, DCO– (Pins 19, 20) | LVDS Data Clock Output | Echoes CLK+ / CLK– for synchronous latching of DA/DB data; matches clock-to-data skew |
| OVDD (Pin 22) | 2.5 V LVDS Output Supply | 2.375–2.625 V supply for LVDS drivers; bypass with 0.1 µF ceramic to GND |
| CLK+, CLK– (Pins 23, 24) | LVDS Master Clock Input | Drives conversion timing; supports 10 MHz fundamental frequency with 1.25 ns min pulse width |
| TWOLANES (Pin 25) | Output Mode Select | High = two-lane (8-bit parallel per lane); low = one-lane (16-bit serial); determines DA/DB usage |
| CNV+, CNV– (Pins 27, 28) | Differential Conversion Start | Rising edge initiates sample-and-hold and conversion; also accepts 2.5 V CMOS CNV+ with CNV– = GND |
| VDDL (Pins 30, 31) | 2.5 V Digital Logic Supply | 2.375–2.625 V supply for internal logic and CNV/TWOLANES/TESTPAT/PD inputs |
| VCM (Pin 32) | Common-Mode Output | Provides 2.048 V bias for external driver stages; optional-bypass with 0.1 µF if used |
| Exposed Pad (Pin 33) | Thermal & Electrical Ground | Must be soldered to PCB ground plane using multiple vias for thermal dissipation and noise reduction |
Key Features
| Feature | Design Value |
|---|---|
| No pipeline latency | Enables deterministic, zero-cycle-delay sampling essential for servo control and real-time feedback |
| Configurable LVDS interface | One- or two-lane output modes reduce FPGA I/O count and simplify layout while maintaining 10 Msps throughput |
| Integrated 2.048 V reference | Eliminates external reference component cost and board space; ±20 ppm/°C max drift supports industrial temperature range |
| Low 97 mW power at full speed | Reduces thermal load in high-density signal acquisition systems and eases heatsinking requirements |
| 5 mm × 5 mm QFN package | Minimizes PCB footprint while providing robust thermal performance via exposed ground pad |
| ±0.5 LSB INL (max) | Ensures linearity error remains below 1 LSB across full operating temperature range (0°C to 70°C) |
Applications
| High-Speed Imaging Systems | Automated Test Equipment (ATE) |
|---|---|
Use Scenario: Digitizing video or X-ray detector outputs in medical CT scanners and industrial inspection systems. IC Role / Device Role / Timing Role: Primary ADC capturing 10 Msps pixel streams with precise timing alignment and minimal jitter (0.25 ps RMS). Use Value: 93.8 dB SNR preserves contrast resolution in low-light imaging; no missing codes prevents artifact generation in reconstructed images. |
Use Scenario: Capturing transient waveforms during semiconductor device characterization and parametric testing. IC Role / Device Role / Timing Role: High-accuracy front-end digitizer synchronized to stimulus generators via LVDS clock and DCO. Use Value: ±0.5 LSB INL ensures measurement repeatability across temperature; 16-bit resolution captures fine parametric variations. |
| Real-Time Control Loops | Communications Signal Analysis |
Use Scenario: Sampling motor phase currents or position encoder feedback in servo drives and robotics. IC Role / Device Role / Timing Role: Low-latency ADC feeding FPGA-based PID controllers with deterministic 72 ns conversion time. Use Value: No pipeline delay enables sub-microsecond closed-loop response; 5 MHz input bandwidth supports fast current harmonics. |
Use Scenario: Baseband digitization of IF signals in software-defined radio test benches and spectrum analyzers. IC Role / Device Role / Timing Role: Wide-dynamic-range ADC capturing multi-tone signals with 102 dB SFDR at 1 MHz. Use Value: 102 dB SFDR suppresses spurious tones from adjacent channels; LVDS interface minimizes EMI in RF-sensitive environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9268BCPZ-10 | 16-bit, 10 Msps, JESD204B interface; requires external reference; 1.8 V supply; 64-lead LFCSP | Targets high-channel-count systems where JESD204B serialization reduces interconnect complexity vs LVDS | Select when migrating to JESD204B infrastructure or needing lower supply voltage; verify layout compatibility with larger package |
| ADS8860IDRCT | 16-bit, 1 Msps, SPI interface; 2.5 V supply only; ±2.048 V input range; 10-lead VSSOP | Suited for portable or low-power instrumentation where speed < 10 Msps is acceptable | Choose for cost-sensitive, space-constrained designs with relaxed throughput needs; not suitable for real-time control or imaging |
Compared with AD9268BCPZ-10 and ADS8860IDRCT, the LTC2386CUH-16#PBF uniquely combines LVDS simplicity, integrated reference, and zero-latency operation in a compact QFN-making it optimal for deterministic, medium-channel-count, high-fidelity acquisition where JESD204B overhead is unnecessary.
Availability
LTC2386CUH-16#PBF is available at Aetrix Electronics and suitable for high-speed imaging systems, automated test equipment, real-time control loops, and communications signal analysis requiring stable component supply across industrial and medical design cycles.
Supply support for LTC2386CUH-16#PBF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors.
The LTC2386CUH-16#PBF belongs to Linear's precision high-speed SAR ADC product line, engineered for applications demanding wide dynamic range, low distortion, and deterministic timing-especially in instrumentation, medical imaging, and industrial automation.
FAQ
What is the operating temperature range for the LTC2386CUH-16#PBF?
The LTC2386CUH-16#PBF is specified for the commercial temperature range of 0°C to 70°C. This is confirmed by the "C" grade designation in the part number and the Order Information table, which lists "0°C to 70°C" for the LTC2386CUH-16#PBF variant. The "I" grade (LTC2386IUH-16#PBF) extends to –40°C to 85°C.
Does the LTC2386CUH-16#PBF require an external reference?
No, the LTC2386CUH-16#PBF includes an internal 2.048 V reference with ±20 ppm/°C max temperature coefficient and can operate fully self-contained. An external reference may be applied to REFIN for improved accuracy or stability, but it is not required-the LTC2386CUH-16#PBF functions correctly with its internal reference enabled and properly bypassed.
How does the LVDS interface of the LTC2386CUH-16#PBF support different data rates?
The LTC2386CUH-16#PBF supports two LVDS output configurations via the TWOLANES pin: in one-lane mode (TWOLANES = low), DA+/DA– serially outputs all 16 bits at 160 Mbps; in two-lane mode (TWOLANES = high), DA+/DA– and DB+/DB– each output 8 bits simultaneously at 80 Mbps, halving the per-lane data rate and easing FPGA timing closure.
What is the significance of "no pipeline latency" in the LTC2386CUH-16#PBF?
"No pipeline latency" means the LTC2386CUH-16#PBF is a true SAR ADC-not a pipelined or sigma-delta architecture-so the digital output corresponds exactly to the analog input sampled at the CNV edge, with no additional clock cycles of delay. This enables immediate use of conversion results in time-critical control algorithms without compensation logic.
Can the LTC2386CUH-16#PBF be powered down to save energy?
Yes, the LTC2386CUH-16#PBF features a dedicated PD (power-down) pin. When PD is driven low (OVDD-referenced), the device enters power-down mode, reducing total supply current to just 10 µA while retaining configuration state. Power is restored within microseconds upon asserting PD high, making it ideal for duty-cycled acquisition systems.
LTC2386CUH-16#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 32-WFQFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 10M
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- LVDS - Serial
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 2.375V ~ 2.625V, 5V
- Voltage - Supply, Digital:
- 2.375V ~ 2.625V, 5V
- Features:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 32-QFN (5x5)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2386CUH-16#PBF FAQ
1.How can I place an order for LTC2386CUH-16#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2386CUH-16#PBF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LTC2386CUH-16#PBF reliable?
The price and inventory of LTC2386CUH-16#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2386CUH-16#PBF is usually 5 days.
3.What payment methods are accepted for LTC2386CUH-16#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2386CUH-16#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2386CUH-16#PBF?
LTC2386CUH-16#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2386CUH-16#PBF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LTC2386CUH-16#PBF?
For technical support, including LTC2386CUH-16#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2386CUH-16#PBF requirements.
6.How does Aetrix verify that LTC2386CUH-16#PBF is sourced from the original manufacturer or authorized distributors?
All LTC2386CUH-16#PBF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LTC2386CUH-16#PBF meets industry standards.
7.What is the process for return or replacement of LTC2386CUH-16#PBF?
All LTC2386CUH-16#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2386CUH-16#PBF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LTC2386CUH-16#PBF part is unused and in its original packaging.
Return procedure for LTC2386CUH-16#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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