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NXP Semiconductors TFF1018HN/N1,115
- Part No.:
- TFF1018HN/N1,115
- Manufacturer:
- NXP Semiconductors
- Category:
- RF Mixers
- Package:
- 16-VFQFN Exposed Pad
- Datasheet:
-
TFF1018HN/N1,115.pdf
- Description:
- IC MIXER 10.7-12.75GHZ 16DHVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,347
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Product details
Overview
TFF1018HN/N1 from NXP Semiconductors is an integrated Ku-band downconverter IC for satellite LNB systems, combining pre-amplifier, mixer, buffer amplifier, and PLL synthesizer in a single DHVQFN16 package. It operates across 10.7–12.75 GHz RF input, delivers 45 dB typical conversion gain, 7 dB SSB noise figure, and supports dual LO frequencies (9.75 GHz / 10.6 GHz) for DVB-S/S2 digital satellite reception.
For engineers reviewing the TFF1018HN/N1 datasheet, TFF1018HN/N1 pinout, TFF1018HN/N1 application, or TFF1018HN/N1 equivalent, this device requires attention to HB band-select logic, XO1/XO2 crystal interface, RF/IF impedance matching (50 Ω RF / 75 Ω IF), and thermal management via exposed die pad grounding.
Technical Context
The TFF1018HN/N1 integrates a fully self-contained PLL-based local oscillator with on-chip VCO, PFD, charge pump, and divider - eliminating external loop filter components except for passive elements on LF/VREG pins. Its RF front-end uses optimized CPW-compatible grounding (RF_GND1–3) and internal bias regulation to support direct connection to pHEMT LNAs in LNB modules.
Conversion occurs within a single monolithic GaAs process, enabling flat 45 dB gain ±0.3 dB per 36 MHz IF band (950–2150 MHz), low 1.5° RMS integrated phase noise (10 kHz–13 MHz offset), and −10 dB input/output reflection coefficients across full RF and IF bands.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Input Frequency | 10.7–12.75 GHz (dual-band: low band 10.7–11.7 GHz, high band 11.7–12.75 GHz) |
| LO Frequency | 9.75 GHz (low band) or 10.6 GHz (high band); selected via HB pin logic |
| IF Output Frequency | 950–2150 MHz (75 Ω output impedance; matches standard satellite receiver inputs) |
| Conversion Gain | 45 dB typical; ±0.3 dB variation per 36 MHz subband ensures stable demodulator SNR |
| Noise Figure | 7 dB SSB; measured at 1450 MHz (low band) and 1625 MHz (high band) IF |
| Supply Current | 52 mA at 5 V; enables compact LNB power design with minimal heat dissipation |
| Crystal Frequency | 25 MHz fundamental-mode crystal; 10 pF load capacitance, ≤40 Ω ESR |
Pinout & Package
Package: DHVQFN16 (SOT763-1), 2.5 × 3.5 × 0.85 mm body with exposed die pad (GND0) for thermal and RF grounding. Requires solder paste stencil optimization for thermal pad void control.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 RF_GND3 | RF ground terminal | Direct connection point to exposed die pad; critical for RF input return path integrity |
| 2 RF_GND1 | RF ground terminal | Shared ground for RF input CPW line and die pad; minimizes input mismatch (s11 ≤ −10 dB) |
| 4 RF | RF input | 10.7–12.75 GHz differential-capable single-ended port; AC-coupled per reference design |
| 5 RF_GND2 | RF ground terminal | Secondary RF ground for CPW symmetry; maintains 50 Ω characteristic impedance |
| 6 GND1 | Ground | Additional RF input ground tie; connects to die pad and CPW ground plane |
| 8 LF | PLL loop filter node | Connects external RC loop filter to VREG (pin 9); sets PLL bandwidth and stability |
| 9 VREG | Regulated VCO supply | Provides filtered 3.3 V for VCO core; decoupled via pin 7 (n.c. ground routing) |
| 10 HB | Band select control | Logic-level input (0.8 V low / 2.0 V high); selects 9.75 GHz (LB) or 10.6 GHz (HB) LO |
| 11 XO2 / 12 XO1 | Crystal oscillator terminals | Differential 25 MHz crystal interface; 10 pF load capacitance, ≤40 Ω ESR required |
| 13 GND2 | Ground | Die pad grounding point; completes internal bias network return path |
| 14 IF | IF output | 950–2150 MHz single-ended output; designed for 75 Ω coaxial interface to satellite receivers |
| 15 IF_GND | IF output ground | Return path for IF output; must be tied to die pad and output transmission line ground |
| 16 VCC | Power supply | 5 V ±0.5 V input; powers all internal blocks including LNA, mixer, PLL, and regulators |
Key Features
| Feature | Design Value |
|---|---|
| Integrated PLL synthesizer | Eliminates discrete VCO, loop filter, and divider ICs - reduces BOM count by ≥7 components |
| Alignment-free architecture | No factory tuning required; achieves specified NF and gain across temperature (−40°C to +85°C) |
| ESD protection on all pins | Withstands ≥2 kV HBM; enables robust handling during LNB module assembly and field service |
| Single 5 V supply | Removes need for multi-rail power sequencing; simplifies LNB DC-DC converter design |
| Low external component count | Only crystal, loop filter passives, and decoupling caps needed - no baluns or matching networks |
Applications
| DVB-S/S2 Satellite LNB | Multi-Switch LNB Systems |
|---|---|
|
Use Scenario: Direct-to-home (DTH) satellite TV reception using universal LNBs with tone-switched band selection. IC Role / Device Role / Timing Role: Primary downconversion IC providing RF-to-IF translation, LO generation, and gain stabilization. Use Value: Enables single-chip LNB designs meeting DVB-S2 spectral mask and BER requirements without external calibration. |
Use Scenario: Multi-output LNBs serving multiple receivers via DiSEqC-controlled switching. IC Role / Device Role / Timing Role: Dual-band downconverter with HB pin-controlled LO switching synchronized to DiSEqC tone bursts. Use Value: Supports seamless band switching (9.75/10.6 GHz) and polarization control while maintaining <0.3 dB gain flatness. |
| Commercial VSAT Terminals | Maritime Satellite Antennas |
|
Use Scenario: Fixed-site VSAT terminals receiving broadcast or data services in Ku-band. IC Role / Device Role / Timing Role: High-linearity IF source feeding QPSK/QAM demodulators with minimal phase noise impact. Use Value: 15 dBm OIP3 and 1.5° RMS phase noise ensure clean constellation mapping under weak-signal conditions. |
Use Scenario: Stabilized marine satellite antennas operating in harsh vibration and thermal environments. IC Role / Device Role / Timing Role: Ruggedized downconverter with ESD-hardened I/O and thermal resistance of 35 K/W (junction-to-case). Use Value: Maintains 7 dB noise figure and 45 dB gain over −40°C to +85°C ambient without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar satellite LNB downconverter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX2108ETX+ | Higher 55 dB conversion gain but 8.5 dB NF; requires 3.3 V supply and external loop filter | Targets higher-gain LNBs with cascaded LNAs; less suitable for ultra-low-noise single-stage designs | Select MAX2108ETX+ only when >50 dB system gain is required and 3.3 V supply is available. |
| STV0902B | Dual-channel architecture; supports simultaneous low/high band output; 5.5 V max supply | Used in twin-output LNBs or integrated tuner modules; adds complexity for single-output applications | Choose STV0902B when dual IF outputs or independent band processing are needed. |
Compared with MAX2108ETX+ and STV0902B, the TFF1018HN/N1 offers lowest noise figure (7 dB) and simplest BOM (crystal-only LO), making it optimal for cost-sensitive, single-output universal LNBs requiring DVB-S2 compliance.
Availability
TFF1018HN/N1 is available at Aetrix Electronics and suitable for satellite LNB manufacturing, DVB-S2 receiver integration, and commercial VSAT terminal production requiring stable component supply and long-term lifecycle support.
Supply support for TFF1018HN/N1 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 consumer markets.
The TFF1018HN/N1 belongs to NXP's satellite communication front-end product line, engineered specifically for high-reliability, low-power Ku-band LNB applications in digital broadcast infrastructure.
FAQ
What is the recommended crystal specification for TFF1018HN/N1?
The TFF1018HN/N1 requires a 25 MHz fundamental-mode crystal with 10 pF load capacitance and ≤40 Ω equivalent series resistance (ESR). The crystal must be connected between XO1 (pin 12) and XO2 (pin 11), and its stability directly impacts LO frequency accuracy and phase noise performance of the TFF1018HN/N1.
How does the HB pin control LO frequency selection in TFF1018HN/N1?
The HB pin (pin 10) selects LO frequency: logic low (≤0.8 V) configures 9.75 GHz for low-band operation, while logic high (≥2.0 V) selects 10.6 GHz for high-band operation. Internal pull-down resistance of 80–140 kΩ ensures default low-band mode if left unconnected, and the TFF1018HN/N1 transitions seamlessly without re-locking delay.
Can TFF1018HN/N1 operate with a 75 Ω IF output into a 50 Ω test instrument?
Yes, but with 0.18 dB mismatch loss and potential s22 degradation; the TFF1018HN/N1 IF output is specified for 75 Ω systems. For lab validation, use a 75-to-50 Ω resistive pad or active 75 Ω termination to preserve measurement accuracy of IP3O (15 dBm) and PL(1dB) (6 dBm) values stated in the TFF1018HN/N1 datasheet.
What is the role of the exposed die pad on the TFF1018HN/N1 DHVQFN16 package?
The exposed die pad (GND0) serves as primary thermal path and RF/IF ground reference. All RF_GNDx, IF_GND, GND1, and GND2 pins must be soldered to this pad via minimum 80% copper fill. Thermal resistance is 35 K/W junction-to-case, and improper pad soldering causes >3 dB NF degradation and 10°C junction temperature rise in the TFF1018HN/N1.
Does TFF1018HN/N1 support both DVB-S and DVB-S2 standards simultaneously?
Yes - the TFF1018HN/N1's 950–2150 MHz IF output bandwidth, 45 dB conversion gain flatness, and 7 dB noise figure meet signal-to-noise ratio requirements for both DVB-S (QPSK) and DVB-S2 (8PSK, 16APSK) modulation schemes. Its phase noise (1.5° RMS) and spurious suppression ensure compliance with ETSI EN 300 421 and EN 302 307 for the TFF1018HN/N1.
TFF1018HN/N1,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 16-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- RF Type:
- Ku-Band
- Frequency:
- 10.7GHz ~ 12.75GHz
- Number of Mixers:
- 1
- Gain:
- 45dB
- Noise Figure:
- 7dB
- Secondary Attributes:
- Down Converter
- Current - Supply:
- 52mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-DHVQFN (2.5x3.5)
TFF1018HN/N1,115 FAQ
1.How can I place an order for TFF1018HN/N1,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for TFF1018HN/N1,115 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 TFF1018HN/N1,115 reliable?
The price and inventory of TFF1018HN/N1,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TFF1018HN/N1,115 is usually 5 days.
3.What payment methods are accepted for TFF1018HN/N1,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TFF1018HN/N1,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TFF1018HN/N1,115?
TFF1018HN/N1,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TFF1018HN/N1,115 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 TFF1018HN/N1,115?
For technical support, including TFF1018HN/N1,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TFF1018HN/N1,115 requirements.
6.How does Aetrix verify that TFF1018HN/N1,115 is sourced from the original manufacturer or authorized distributors?
All TFF1018HN/N1,115 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 TFF1018HN/N1,115 meets industry standards.
7.What is the process for return or replacement of TFF1018HN/N1,115?
All TFF1018HN/N1,115 units undergo pre-shipment inspection (PSI). If there is an issue with TFF1018HN/N1,115, 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 TFF1018HN/N1,115 part is unused and in its original packaging.
Return procedure for TFF1018HN/N1,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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