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NXP Semiconductors BGY835C,112
- Part No.:
- BGY835C,112
- Manufacturer:
- NXP Semiconductors
- Category:
- Video Amps and Modules
- Package:
- SOT-115J
- Datasheet:
-
BGY835C,112.pdf
- Description:
- IC AMP CATV SOT115J
- Quantity:
- Payment:
- Shipping:
Inventory:4,743
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Product details
Overview
BGY835C,112 from NXP Semiconductors is a hybrid high dynamic range CATV amplifier module in SOT115J package, operating at 24 V DC with cascaded cascode stages. It delivers 34 dB power gain at 50 MHz and 860 MHz, −60 dB CTB distortion, and 4.5 dB noise figure at 50 MHz for broadband cable distribution systems.
For engineers reviewing the BGY835C,112 datasheet, BGY835C,112 pinout, BGY835C,112 application, or BGY835C,112 equivalent, key selection criteria include its 40–860 MHz bandwidth, 75 Ω input/output impedance, 340 mA total current draw, and SOT115J mechanical mounting configuration with gold-plated leads.
Technical Context
The BGY835C,112 employs two cascaded cascode amplifier stages to achieve high linearity and low noise across the full CATV band. Its design targets flat frequency response (±0.5 dB) and excellent return loss (>14 dB up to 860 MHz) under 75 Ω system conditions.
It operates at 24 V DC supply (with transient tolerance to 30 V), requires no external biasing components, and is optimized for single-module line extension in coaxial distribution networks where composite distortion (CTB/CSO) and noise figure are critical performance constraints.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth | 40 MHz to 860 MHz - supports full downstream CATV spectrum including DOCSIS 3.1 channels. |
| Power Gain | 34 dB typ. at 50 MHz and 860 MHz - enables single-stage amplification without gain staging complexity. |
| Noise Figure | 4.5 dB max at 50 MHz - preserves signal-to-noise ratio in upstream-sensitive node designs. |
| Composite Triple Beat | −60 dB typ. at 859.25 MHz - meets stringent multi-channel line extender distortion requirements. |
| Total Current | 340 mA max at 24 V - defines thermal management and power supply sizing for chassis-level deployment. |
| Input/Output Impedance | 75 Ω - ensures seamless integration into standard CATV plant infrastructure without matching networks. |
Pinout & Package
The BGY835C,112 is housed in a rectangular single-ended SOT115J package with aluminum flange, 2 vertical 6-32 UNC mounting holes, 2 extra horizontal mounting holes, and 7 gold-plated in-line leads. Thermal dissipation is managed via direct flange mounting to heatsink.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | input | 75 Ω RF input port - connects directly to upstream coaxial feed without external coupling. |
| 2,3,7,8 | common | RF ground terminals - provide low-inductance grounding paths for both stages and shielding. |
| 5 | +VB | 24 V DC supply input - accepts transients up to 30 V; decoupling capacitor required near pin. |
| 9 | output | 75 Ω RF output port - drives downstream coaxial trunk with minimal reflection (RLout ≥14 dB). |
Key Features
| Feature | Design Value |
|---|---|
| Cascaded cascode architecture | Enables simultaneous high gain, high linearity, and low noise without active bias control circuitry. |
| Flat frequency response | ±0.5 dB gain variation across 40–860 MHz - eliminates need for external equalization in line extender modules. |
| High input/output return loss | ≥14 dB up to 860 MHz - minimizes standing waves and insertion loss in cascaded amplifier chains. |
| ESD-sensitive handling | Requires IEC 61000-4-2 compliant ESD controls during PCB assembly and field replacement. |
Applications
| CATV Line Extender | Two-Way Broadband Node |
|---|---|
Use Scenario: Amplifying downstream signals over long coaxial trunk segments between headend and optical nodes. IC Role / Device Role / Timing Role: High-linearity RF power amplifier stage providing gain compensation and distortion control. Use Value: Enables single-module 34 dB gain extension while maintaining CTB ≤ −60 dB and NF ≤ 4.5 dB at 50 MHz. | Use Scenario: Bidirectional signal conditioning in HFC network nodes supporting DOCSIS 3.1 upstream/downstream traffic. IC Role / Device Role / Timing Role: Downstream driver amplifier with flat passband and robust return loss for impedance-matched splitting. Use Value: Delivers ±0.5 dB gain flatness and >14 dB RLout across 40–860 MHz, reducing channel tilt and echo interference. |
| Community Antenna Distribution | RF Signal Repeater |
Use Scenario: Signal boosting in multi-dwelling unit (MDU) coaxial distribution systems serving 50–200 subscribers. IC Role / Device Role / Timing Role: Final-stage broadband amplifier before passive splitter tree. Use Value: Provides 34 dB gain with <340 mA current draw, enabling compact, convection-cooled housing designs. | Use Scenario: RF repeater in commercial building distributed antenna systems (DAS) requiring wideband analog signal regeneration. IC Role / Device Role / Timing Role: Low-noise, high-dynamic-range analog repeater core for 40–860 MHz spectrum. Use Value: Achieves −55 dB CSO and 7 dB NF at 860 MHz, preserving modulation quality for QAM256/1024 signals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar CATV amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX2510ETL+ | 3.3 V operation, 50 Ω impedance, lower gain (22 dB), integrated AGC - not drop-in compatible. | Targeted at low-power, portable, or battery-operated RF front-ends, not 75 Ω CATV infrastructure. | Select only for non-CATV, low-voltage, 50 Ω systems requiring automatic level control. |
| QPL9057 | 5 V operation, 50 Ω, GaAs pHEMT process, 20 dB gain, higher NF (5.5 dB at 50 MHz) - different package and bias scheme. | Designed for wireless infrastructure and small-cell base stations, not coaxial broadband distribution. | Choose only when integrating into 50 Ω wireless signal chains requiring surface-mount compatibility and DC bias flexibility. |
Compared with MAX2510ETL+ and QPL9057, the BGY835C,112 is uniquely specified for 24 V, 75 Ω CATV line extension with guaranteed −60 dB CTB and ±0.5 dB flatness - making it irreplaceable in legacy and DOCSIS-compliant coaxial plant deployments.
Availability
BGY835C,112 is available at Aetrix Electronics and suitable for CATV line extenders, two-way broadband nodes, community antenna distribution systems, and RF signal repeaters requiring stable component supply and long-lifecycle support.
Supply support for BGY835C,112 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and communication markets.
The BGY835C,112 belongs to NXP's legacy CATV amplifier product line, engineered specifically for high-reliability, high-linearity analog signal amplification in 75 Ω coaxial cable distribution infrastructure.
FAQ
What is the recommended supply voltage for BGY835C,112 and what transient tolerance does it support?
The BGY835C,112 is designed for nominal 24 V DC operation and can withstand supply transients up to 30 V without damage. Its absolute maximum supply voltage is 25 V per limiting values table, so sustained operation above 24 V is not advised. The BGY835C,112 must be powered through Pin 5 (+VB) with local 10 µF ceramic + 100 µF tantalum decoupling.
Does BGY835C,112 require external biasing components or tuning networks?
No, the BGY835C,112 integrates all biasing circuitry internally and operates as a fully self-contained amplifier module. It requires only DC supply on Pin 5, RF input on Pin 1, RF output on Pin 9, and proper grounding of Pins 2, 3, 7, and 8. No external inductors, capacitors, or resistors are needed for basic operation.
What is the thermal mounting requirement for BGY835C,112 in continuous operation?
The BGY835C,112 uses an aluminum flange (SOT115J package) that must be mechanically and thermally coupled to a heatsink using the two vertical 6-32 UNC mounting holes. Mounting base temperature must remain between −20 °C and +100 °C; derating is required above 30 °C ambient to maintain Tmb ≤ 100 °C and ensure 340 mA current compliance.
How does BGY835C,112 perform in multi-channel CATV environments with 49 channels loaded?
In a 49-channel test configuration with flat output level of 44 dBmV, the BGY835C,112 achieves −60 dB CTB and −55 dB CSO distortion performance at 859.25 MHz and 860.5 MHz respectively. This confirms its suitability for dense channel loading in modern DOCSIS 3.0/3.1 deployments without additional linearization.
Is BGY835C,112 qualified for automotive applications?
No, the BGY835C,112 is not automotive-qualified. Per NXP's legal disclaimers, it is intended exclusively for CATV infrastructure use and has not been tested or warranted for automotive environments. Its specification, reliability testing, and qualification follow industrial CATV standards-not AEC-Q100 or ISO/TS 16949 requirements. Use in automotive systems is unsupported and at customer's own risk.
BGY835C,112 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- SOT-115J
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- CATV
- Output Type:
- -
- Number of Circuits:
- 1
- -3db Bandwidth:
- -
- Slew Rate:
- -
- Current - Supply:
- 340 mA
- Current - Output / Channel:
- -
- Voltage - Supply, Single/Dual (±):
- -
- Mounting Type:
- Chassis Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- SOT115J
BGY835C,112 FAQ
1.How can I place an order for BGY835C,112 through Aetrix?
Please submit a Request for Quotation (RFQ) for BGY835C,112 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 BGY835C,112 reliable?
The price and inventory of BGY835C,112 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BGY835C,112 is usually 5 days.
3.What payment methods are accepted for BGY835C,112?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BGY835C,112 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BGY835C,112?
BGY835C,112 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BGY835C,112 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 BGY835C,112?
For technical support, including BGY835C,112 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BGY835C,112 requirements.
6.How does Aetrix verify that BGY835C,112 is sourced from the original manufacturer or authorized distributors?
All BGY835C,112 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 BGY835C,112 meets industry standards.
7.What is the process for return or replacement of BGY835C,112?
All BGY835C,112 units undergo pre-shipment inspection (PSI). If there is an issue with BGY835C,112, 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 BGY835C,112 part is unused and in its original packaging.
Return procedure for BGY835C,112:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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