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Semtech Corporation GS1528ACTAE3D
- Part No.:
- GS1528ACTAE3D
- Manufacturer:
- Semtech Corporation
- Category:
- Video Processing
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
GS1528ACTAE3D.pdf
- Description:
- IC VIDEO CABLE DRIVER 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,748
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Product details
Overview
GS1528ACTAE3D from Semtech is a dual-channel, multi-rate HD/SD-SDI coaxial cable driver IC with selectable slew rate for SMPTE 259M, 344M, and 292M compliance. It delivers 800 mVp-p output swing into 75 Ω, supports up to 1.485 Gb/s data rates, operates from a single 3.3 V supply, and targets broadcast video signal conditioning in professional video equipment.
For engineers reviewing the GS1528ACTAE3D datasheet, pinout, applications, or equivalent options, this page provides verified technical context, pin-level design meaning, real-world SDI interface constraints, and validated alternative options for serial digital video system design.
Technical Context
The GS1528ACTAE3D implements a BiCMOS differential input stage accepting 300–2000 mVp-p LVPECL-level signals with internal biasing, eliminating external termination resistors. Its dual current-mode outputs drive 75 Ω coaxial cables with programmable amplitude via RSET (750 Ω nominal) and slew-rate control via the SD/HD pin.
It features two distinct rise/fall time profiles: 400–800 ps (SD/HD = 1) for SMPTE 259M/344M and ≤220 ps (SD/HD = 0) for SMPTE 292M compliance. Output return loss exceeds 15 dB from 5 MHz to 1.485 GHz when used with recommended LCOMP (5.6 nH) and AC-coupling (4.7 µF).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | Up to 1.485 Gb/s - enables full HD-SDI (1080p60) transmission without retiming. |
| Output Swing | 800 mVp-p (typ.) into 75 Ω - meets SMPTE 259M/292M/344M amplitude requirements. |
| Rise/Fall Time | ≤220 ps (SD/HD = 0) or 400–800 ps (SD/HD = 1) - selectable to match SD/HD/3G-SDI timing masks. |
| Supply Voltage | 3.3 V ±5% - single-rail operation simplifies power delivery in video processing boards. |
| Power Consumption | 168 mW (typ.) at 25°C - low thermal load enables dense PCB layouts in broadcast encoders. |
| Operating Temp | 0°C to 70°C - qualified for commercial-grade video infrastructure equipment. |
| Input Impedance | 50 Ω differential - matches standard SDI source impedance for minimal reflection. |
Pinout & Package
GS1528ACTAE3D uses an 8-pin SOIC package (JEDEC MS-012AA), RoHS-compliant, moisture sensitivity level 2, with 0.050" lead pitch and 72°C/W junction-to-case thermal resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2 - SDI, SDI | Differential serial input | LVPECL-compatible high-impedance inputs; self-biased, accept AC-coupled 300–2000 mVp-p signals. |
| 3 - VEE | Negative supply reference | Must be connected to ground; defines common-mode baseline for internal biasing network. |
| 4 - RSET | Output amplitude control | External resistor (750 Ω typical) sets output current and thus 75 Ω load swing; placement critical for signal integrity. |
| 5 - VCC | Positive supply | 3.3 V ±5% main power rail; decoupling required near pin for high-frequency stability. |
| 6 - SD/HD | Slew rate select | Logic-controlled input: HIGH selects SMPTE 259M/344M timing; LOW selects SMPTE 292M timing. |
| 7, 8 - SDO, SDO | Differential serial output | Current-mode outputs driving 75 Ω coax; require external LCOMP (5.6 nH) and AC-coupling (4.7 µF) per SMPTE spec. |
Key Features
| Feature | Design Value |
|---|---|
| SMPTE multi-standard compliance | Fully compliant with SMPTE 259M (SD-SDI), 344M (ED-SDI), and 292M (HD-SDI) electrical specifications. |
| Selectably optimized slew rate | Hardware-configurable SD/HD pin enables one device to meet both legacy SD and modern HD timing masks. |
| Self-biased differential input | Eliminates need for external DC biasing resistors, reducing BOM count and layout complexity for AC-coupled sources. |
| Adjustable output amplitude | RSET pin allows precise tuning of output swing (608–1040 mVp-p) across process/temperature for consistent cable launch. |
| Robust output protection | Integrated ESD diodes (2 kV HBM) and static protection circuitry safeguard against handling and system-level transients. |
Applications
| Broadcast Video Encoder | HD-SDI Distribution Amplifier |
|---|---|
|
Use Scenario: Embedding HD-SDI output in a 1080p60 video encoder board with multiple channel outputs. IC Role / Device Role / Timing Role: Final-stage cable driver converting internal LVPECL video data to SMPTE 292M-compliant coaxial signal. Use Value: Selectable SD/HD pin ensures compatibility with both legacy SDI monitors and modern HD displays without hardware change. |
Use Scenario: Fan-out of a single HD-SDI source to eight downstream receivers in broadcast truck infrastructure. IC Role / Device Role / Timing Role: Dual-output driver providing matched, low-jitter signal paths with <22 ps p-p additive jitter at 1.485 Gb/s. Use Value: 15 dB+ output return loss minimizes reflections over long coax runs, preserving eye diagram integrity. |
| Professional Camera Interface | Medical Imaging Video Link |
|
Use Scenario: Transmitting uncompressed 1080p video from a surgical camera head to processing unit via 30 m coax. IC Role / Device Role / Timing Role: High-fidelity cable driver maintaining signal integrity across wide temperature range (0°C–70°C). Use Value: 800 mVp-p output swing and controlled rise/fall times ensure SMPTE 292M mask compliance even after long cable attenuation. |
Use Scenario: Real-time HD video transport in diagnostic imaging systems requiring deterministic latency and EMI resilience. IC Role / Device Role / Timing Role: Low-power (168 mW) SDI driver enabling compact, fanless enclosure design. Use Value: Single 3.3 V supply and RoHS/Pb-free packaging meet medical regulatory and thermal safety requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SDI cable driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GS9068ACTAE3 | Max data rate 540 Mb/s; no SD/HD pin (fixed slower slew); identical 8-pin SOIC package and pinout. | Limited to SD/ED-SDI (SMPTE 259M/344M); cannot support HD-SDI (292M) timing requirements. | Choose GS9068ACTAE3 only if system operates exclusively below 540 Mb/s and requires lower cost/no slew control. |
| LMH0384SQ/NOPB | Single-channel; supports 3G-SDI (2.97 Gb/s); integrated reclocker; requires external clock; different 16-pin WQFN package. | Enables longer cable reach and jitter cleanup but adds complexity, power, and layout footprint vs. GS1528ACTAE3D. | Choose LMH0384SQ/NOPB when reclocking or 3G-SDI support is mandatory; not a drop-in replacement. |
Compared with GS9068ACTAE3, GS1528ACTAE3D adds HD-SDI capability and slew-rate flexibility; compared with LMH0384SQ/NOPB, it offers simpler, lower-power, dual-channel SDI driving without reclocking-ideal for cost- and space-constrained HD video endpoints.
Availability
GS1528ACTAE3D is available at Aetrix Electronics and suitable for broadcast video encoders, HD-SDI distribution amplifiers, professional camera interfaces, and medical imaging video links requiring stable component supply and SMPTE-compliant signal integrity.
Supply support for GS1528ACTAE3D 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
Semtech Corporation is a U.S.-based fabless semiconductor company specializing in analog and mixed-signal ICs for high-performance communications and sensing applications.
The GS1528ACTAE3D belongs to Semtech's HD-LINX® II family, engineered specifically for robust, multi-standard SDI signal conditioning in professional broadcast and medical video systems.
FAQ
What is the maximum data rate supported by the GS1528ACTAE3D?
The GS1528ACTAE3D supports up to 1.485 Gb/s, enabling full compliance with SMPTE 292M (HD-SDI) standards for 1080p60 video transmission. This maximum rate is confirmed in the official datasheet under AC Electrical Characteristics (Table 2-3), where DRSDO for GS1528A is specified as 1.485 Gb/s. Operation at this rate requires SD/HD = LOW and proper PCB layout per Figure 6-1.
How does the SD/HD pin affect the performance of the GS1528ACTAE3D?
The SD/HD pin on the GS1528ACTAE3D directly controls output slew rate: when driven HIGH, it configures the device for SMPTE 259M/344M (SD/ED-SDI) with 400–800 ps rise/fall times; when LOW, it enables SMPTE 292M (HD-SDI) compliance with ≤220 ps rise/fall times. This pin has no function on the pin-compatible GS9068A variant and is internally unconnected there.
What is the recommended RSET resistor value for nominal 800 mVp-p output swing on the GS1528ACTAE3D?
A 750 Ω ±1% SMT resistor is recommended for the RSET pin to achieve a nominal 800 mVp-p differential output swing into a 75 Ω load, as specified in Table 5-1 of the datasheet. The resistor must be placed adjacent to the RSET pin with minimized PCB parasitic capacitance-ground plane removal beneath RSET is explicitly advised in Section 5.4.
Does the GS1528ACTAE3D require external input termination resistors?
No, the GS1528ACTAE3D does not require external input termination resistors. Its differential inputs (SDI/SDI) are self-biased and high-impedance, designed to accept AC-coupled LVPECL signals directly. The datasheet confirms this in Section 5.1 and Figure 4-1, stating "inputs are self-biased, allowing for simple AC coupling" and omitting any external bias network in the typical application circuit (Figure 6-1).
What package type and environmental compliance does the GS1528ACTAE3D have?
The GS1528ACTAE3D uses an 8-pin SOIC package (MS-012AA), is Pb-free and RoHS compliant, and carries moisture sensitivity level (MSL) 2 per J-STD-020. These attributes are documented in Section 7.2 (Packaging Data) and confirmed in the ordering table (Section 7.3), where GS1528ACTAE3D is explicitly listed as "8-pin SOIC, 500pc tape and reel" with "Pb-free and RoHS Compliant" status.
GS1528ACTAE3D Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Function:
- Driver
- Applications:
- Professional Video
- Standards:
- SMPTE
- Control Interface:
- Serial
- Voltage - Supply:
- 3.135V ~ 3.465V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
GS1528ACTAE3D FAQ
1.How can I place an order for GS1528ACTAE3D through Aetrix?
Please submit a Request for Quotation (RFQ) for GS1528ACTAE3D 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 GS1528ACTAE3D reliable?
The price and inventory of GS1528ACTAE3D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GS1528ACTAE3D is usually 5 days.
3.What payment methods are accepted for GS1528ACTAE3D?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GS1528ACTAE3D transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GS1528ACTAE3D?
GS1528ACTAE3D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GS1528ACTAE3D 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 GS1528ACTAE3D?
For technical support, including GS1528ACTAE3D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GS1528ACTAE3D requirements.
6.How does Aetrix verify that GS1528ACTAE3D is sourced from the original manufacturer or authorized distributors?
All GS1528ACTAE3D 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 GS1528ACTAE3D meets industry standards.
7.What is the process for return or replacement of GS1528ACTAE3D?
All GS1528ACTAE3D units undergo pre-shipment inspection (PSI). If there is an issue with GS1528ACTAE3D, 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 GS1528ACTAE3D part is unused and in its original packaging.
Return procedure for GS1528ACTAE3D:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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