βœ“ In ProductionπŸ”§ LTC1668IG AlternativeπŸš€ 6-Week Lead Time

LTC1668IG on extended backorder?
Evaluate Your FAE-Confirmed P2P Alternative.

The SXD042 is a pin-to-pin compatible alternative to ltc1668ig β€” performance must be validated for your application, 6-week lead time, direct FAE support. Stop waiting for chips and start shipping your product.

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βœ“ In production now
βœ“ 6-week lead time
βœ“ Direct FAE support
βœ“ Engineering samples available
Pin-to-Pin LTC1668IG

SXD042 is a pin-to-pin compatible alternative to LTC1668IG. 16-bit 50 MSPS DAC. Medium-Speed DAC. Request free sample.

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Master Matrix Specification Snapshot

  • Resolution: 16-bit
  • Channels: Single-channel
  • Sample / Conversion Rate: 50 MSPS
  • Interface: Parallel CMOS/TTL
  • Package: SSOP-28
  • Power: 0.2 W typ.

Values above follow the current Shenxin Source of Truth. FAE-confirmed P2P mapping does not automatically establish software/register compatibility or waive application-level validation.

Why Engineers Switch to SXD042

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Migration Validation

Form factor and interface match LTC1668IG. Hardware redesign effort is minimal.

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6-Week Standard Lead Time

6-week standard lead time. Imported converter lead times vary by device, region, and channel. Keep your production schedule on track and avoid costly delays.

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Direct FAE Support

Get an assigned FAE engineer within 24 hours. Reference designs, driver porting, application notes, and debug support β€” all included.

Key Parameters

Product Category
Medium-Speed DAC
Resolution
16-bit
Sampling/Update Rate
50 MSPS
Channels
Single-channel
SFDR (typical)
80 dBc

Product Overview

The SXD042 is a 16-bit medium-speed DAC with parallel interface designed as a pin-compatible alternative to the LTC1668IG. It delivers 16-bit, 50 MSPS performance in a SOP28 package with Parallel CMOS interface, providing a fast China-based alternative path.

The SXD042 achieves SFDR of 80 dBc. Typical power consumption is 0.2 W typ., combined with -40Β°C to +85Β°C operating temperature range.

The SXD042 is part of our Medium-Speed DAC product portfolio, offering both performance and availability advantages. Standard lead time is approximately 6 weeks, with complete reference designs, application support, and schematic review services to help customers quickly complete China-based replacement or second-source introduction.

Key Features

Pin-to-Pin LTC1668IG Compatibility β€” Package, pins, and application circuits are compatible with LTC1668IG; the FAE-confirmed P2P mapping supports migration review; validate board-level electrical, timing, thermal, and system behavior before production use.
16-bit, 50 MSPS Performance β€” High-performance converter core(s) meeting dynamic range and bandwidth needs of radar, medical, and communications applications.
High Performance β€” Optimized for demanding signal chain applications requiring low noise and high linearity.
Parallel CMOS Interface β€” Standardized digital interface for easy system integration and FPGA connectivity.
Low Power, Thermally Friendly β€” Typical power 0.2 W typ., suitable for dense multi-channel array deployment.
Rich On-Chip Features β€” Integrated programmable gain, offset adjustment, built-in test patterns, accelerating system integration.
6-Week Standard Lead Time β€” Standard lead time ~6 weeks, dramatically reducing waiting risk and supply chain uncertainty.
Direct FAE Support β€” FPGA integration, board design review, clock solution recommendations.

Full Specifications

Product CategoryMedium-Speed DAC
Resolution16-bit
Update Rate50 MSPS
ChannelsSingle-channel
SFDR (typical)80 dBc
Digital InterfaceParallel CMOS
PackageSOP28
Typical Power Consumption0.2 W typ.
Operating Temperature-40Β°C to +85Β°C
CompatibilityP2P LTC1668IG
Lead Time~6 weeks

Application Areas

Communications Systems β€” Multi-carrier receivers, base station transceivers, software-defined radio
Radar & Defense β€” Pulse-Doppler radar, phased-array receivers, electronic support measures (ESM)
Medical Imaging β€” Ultrasound frontends, MRI RF sampling, digital X-ray detectors
Industrial Automation β€” High-speed data acquisition, condition monitoring, power quality analysis
Test & Measurement β€” Data acquisition systems (DAQ), oscilloscopes, signal analyzers
Aerospace & Avionics β€” Flight control, satellite ground stations, navigation receivers

Model Comparison

The SXD042 is a pin-to-pin compatible alternative to the LTC1668IG, matching in resolution, sampling rate, interface, and package. Existing LTC1668-based designs can rapidly complete China-based replacement with minimal software and hardware changes. We recommend small-batch sample verification before mass production; our FAE team provides full technical support.

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Frequently Asked Questions

How does the SXD042 compare to LTC1668IG?
The SXD042 is designed as a pin-to-pin compatible alternative to the LTC1668IG, with comparable performance specifications and similar interface architecture. The migration effort is significantly lower than redesigning from scratch. Our FAE team provides full technical support including reference designs and migration guidance.
What is the lead time for SXD042?
Standard lead time is approximately 6 weeks for production quantities. Engineering samples may be available for evaluation β€” contact us for sample availability. Imported converter lead times vary by device, region, and channel β€” contact us to compare on your specific bill of materials.
Can I get engineering samples for evaluation?
Yes, we offer evaluation samples. Use the request form on this page and select "Sample Request" from the product dropdown. Our team will contact you within 24 hours to confirm availability and arrange shipment. Contact us to discuss evaluation requirements and confirm available options.
What technical support do you provide?
We provide direct FAE (Field Application Engineer) support, including: reference schematics, driver/software porting guidance, PCB layout review, and application engineering support. An assigned FAE responds within 24 business hours. For volume customers, we also offer custom technical support packages and on-site engineering assistance.
What about quality and reliability?
All SXD042 devices are manufactured in ISO-certified facilities and undergo full wafer sort and final test. Industrial temperature range is standard for most products. We can provide quality documentation, reliability test reports, and characterization data upon request under NDA.
Do you offer volume pricing and long-term supply?
Yes. For volume orders and production programs, we offer tiered pricing and long-term supply agreements with guaranteed availability. Contact our sales team with your estimated annual usage and we will provide a competitive quotation and supply commitment.
50 MSPS
Sample/Update Rate
0.2 W typ.
Typical Power
P2P
LTC1668IG Compatible

LTC1668IG Performance

LTC1668IG Performance. Weeks, Not Months. Why wait months for import supply when the SXD042 delivers comparable 16-bit Medium-Speed DAC performance in just 6 weeks?

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