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NXP Semiconductors OM7804/BGU7004,598
- Part No.:
- OM7804/BGU7004,598
- Manufacturer:
- NXP Semiconductors
- Category:
- RF, RFID, Wireless Evaluation Boards
- Package:
- Datasheet:
-
OM7804/BGU7004,598.pdf
- Description:
- RF EVAL FOR BGU7004
- Quantity:
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Product details
Overview
OM7804/BGU7004,598 from NXP Semiconductors is an AEC-Q100 qualified SiGe:C monolithic microwave integrated circuit (MMIC) low-noise amplifier optimized for GNSS L1-band reception (1559–1610 MHz). It delivers 16.5 dB gain, 0.85 dB noise figure, and −11 dBm input 1 dB compression point at 1.8 V supply, with adaptive biasing under cellular jamming conditions. It serves as the front-end LNA in automotive toll collection and emergency call systems.
For engineers reviewing the OM7804/BGU7004,598 datasheet, OM7804/BGU7004,598 pinout, OM7804/BGU7004,598 application, or OM7804/BGU7004,598 equivalent, key selection criteria include its AEC-Q100 qualification, jamming-resilient gain stability, ultra-low power-down current (<1 µA), and minimal external component count-only one input matching inductor and one decoupling capacitor required.
Technical Context
The OM7804/BGU7004,598 employs SiGe:C process technology to achieve 110 GHz transit frequency and integrated temperature-stabilized biasing, enabling consistent RF performance across −40 °C to +125 °C ambient. Its architecture includes internal DC blocking on RF_IN and RF_OUT, integrated output matching, and ESD protection (>2 kV HBM) on all pins.
It features dynamic bias adaptation: under high jamming power (e.g., −20 dBm at 850/1850 MHz), supply current increases temporarily to maintain sensitivity, while retaining 15–17.5 dB gain and <1.7 dB noise figure. Power-down mode is controlled via a TTL-compatible ENABLE pin (logic-high ≥0.8 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Noise Figure | 0.85 dB typical at 1575 MHz, 1.8 V, −40 dBm input - enables high-sensitivity GNSS signal acquisition in weak-signal environments |
| Power Gain | 16.5 dB typical at 1575 MHz, 1.8 V, no jammer - provides sufficient amplification before SAW filtering and downconversion |
| Input IP3 | 9 dBm typical at 1.575 GHz, 1.8 V - supports robust operation in multi-RF coexistence (e.g., LTE/GNSS handsets) |
| Supply Voltage Range | 1.5 V to 2.85 V - compatible with modern low-voltage battery-powered GNSS modules and SoCs |
| Supply Current | 4.5 mA typical at 1.8 V, −40 dBm input - enables ultra-low-power always-on GNSS tracking in automotive telematics |
| Enable Threshold | VEN ≥ 0.8 V for ON state, ≤ 0.3 V for OFF - ensures reliable digital control interfacing with 1.8 V or 3.3 V logic without level-shifting |
| Package Dimensions | 1.0 mm × 1.45 mm × 0.5 mm XSON6 (SOT886) - supports miniaturized GPS antenna modules and space-constrained PCB layouts |
Pinout & Package
The OM7804/BGU7004,598 is housed in a plastic leadless XSON6 package (SOT886), measuring 1.0 mm × 1.45 mm × 0.5 mm, with wettable flank terminals for automated optical inspection (AOI) and solder joint reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2 | GND | Dual ground connections for RF and substrate return; require low-inductance PCB grounding to maintain noise figure and stability |
| 3 | RF_IN | AC-coupled RF input port matched to 50 Ω via external 5.6 nH inductor; internal DC blocking prevents bias disruption from antenna path |
| 4 | VCC | Single positive supply input (1.5–2.85 V); requires local 1 nF decoupling capacitor to suppress supply noise and ensure gain flatness |
| 5 | ENABLE | Active-high digital control pin; <1 µA shutdown current enables system-level power gating for duty-cycled GNSS operation |
| 6 | RF_OUT | AC-coupled RF output port with integrated matching; connects directly to SAW filter input without additional impedance tuning |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 qualification | Qualified for automotive applications including emergency call (eCall) and toll collection per Rev G stress testing |
| Jamming-adaptive bias | Automatically increases ICC during cellular transmit bursts (e.g., GSM/UMTS/LTE) to preserve NF and gain without external control logic |
| Minimal external components | Only one 5.6 nH input matching inductor and one 1 nF VCC decoupling capacitor required - reduces BOM cost and layout area |
| Integrated DC blocking | Internal capacitors on RF_IN and RF_OUT eliminate need for external DC blocks, simplifying front-end design and improving repeatability |
| ESD robustness | HBM > 2 kV on all pins - eliminates need for external TVS diodes in GNSS antenna paths, reducing insertion loss and board space |
Applications
| Automotive eCall Systems | Smartphone GNSS Front-End |
|---|---|
Use Scenario: Integrated into vehicle telematics control units (TCUs) for automatic crash notification with precise location reporting. IC Role / Device Role / Timing Role: Primary LNA in GNSS receive chain, amplifying weak satellite signals before SAW filtering and baseband processing. Use Value: AEC-Q100 qualification and −40 °C to +125 °C operation ensure functional reliability in harsh automotive environments; 0.85 dB NF maximizes time-to-first-fix (TTFF) under canopy or urban canyon conditions. |
Use Scenario: Embedded in mobile phone RF front-end modules alongside LTE transceivers and SAW filters. IC Role / Device Role / Timing Role: Jamming-tolerant LNA placed between GPS antenna and SAW filter to reject out-of-band cellular interference. Use Value: Adaptive bias maintains 17.5 dB gain and <1.5 dB NF even during concurrent LTE uplink transmission, preventing GNSS outage during voice/data sessions. |
| Personal Navigation Devices (PNDs) | Asset Tracking Modules |
Use Scenario: Used in portable navigation units for real-time turn-by-turn guidance in vehicles and handheld use. IC Role / Device Role / Timing Role: Low-power LNA enabling continuous GNSS tracking with minimal battery drain during extended outdoor operation. Use Value: 4.5 mA supply current at 1.8 V and <1 µA shutdown current support multi-day battery life; small 1.0 × 1.45 mm footprint allows compact dual-antenna designs. |
Use Scenario: Deployed in industrial IoT trackers for fleet management, container monitoring, and theft recovery. IC Role / Device Role / Timing Role: High-reliability LNA in sealed GPS modules operating in wide temperature ranges and vibration-prone environments. Use Value: Robust thermal characteristics (Rth(j-sp) = 225 K/W) and stable gain over −40 °C to +125 °C ensure consistent positioning accuracy across global deployment conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LNA applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Qorvo QPL9547 | Higher gain (19.5 dB), wider bandwidth (1550–1610 MHz), but no AEC-Q100 qualification; requires two external matching components | Targeted at consumer-grade smartphones and tablets; not suitable for automotive safety-critical systems | Select when higher gain and broader band coverage are prioritized over automotive qualification and minimal BOM count |
| Skyworks SKY65168-396LF | Lower NF (0.75 dB), same 1.5–2.85 V supply, but larger 2.0 × 2.0 mm DFN package and no jamming-adaptive bias | Used in premium wearables and precision timing devices where size is less constrained than in automotive modules | Select when absolute lowest noise figure is critical and adaptive jamming response is not required |
Compared with QPL9547 and SKY65168-396LF, OM7804/BGU7004,598 uniquely combines AEC-Q100 qualification, jamming resilience, and ultra-compact packaging-making it the only option qualified for automotive GNSS front-ends requiring both reliability and coexistence robustness in minimal PCB area.
Availability
OM7804/BGU7004,598 is available at Aetrix Electronics and suitable for automotive telematics, smartphone RF front-ends, and industrial asset tracking applications requiring stable component supply, long-term lifecycle support, and AEC-Q100 compliance.
Supply support for OM7804/BGU7004,598 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 IoT markets.
The BGU7004 product line was designed specifically for high-performance, low-power GNSS receiver front-ends in space- and power-constrained applications, with emphasis on automotive-grade reliability and cellular coexistence robustness.
FAQ
What is the primary function of the OM7804/BGU7004,598 in a GNSS receiver?
The OM7804/BGU7004,598 functions as a low-noise amplifier (LNA) in the RF front-end of GNSS receivers, amplifying weak satellite signals in the L1 band (1559–1610 MHz) while adding minimal noise. Its 0.85 dB noise figure and 16.5 dB gain enable high-sensitivity acquisition and tracking, especially critical in challenging signal environments like urban canyons or under foliage. The OM7804/BGU7004,598 is integral to maintaining time-to-first-fix (TTFF) and position accuracy.
Does the OM7804/BGU7004,598 require external matching components?
Yes, the OM7804/BGU7004,598 requires exactly one external component for input matching-a 5.6 nH inductor-and one 1 nF decoupling capacitor on the VCC line. All other matching is integrated, including output matching and internal DC blocking on RF_IN and RF_OUT. This minimal external component count reduces design complexity, PCB area, and bill-of-materials cost compared to discrete LNA solutions.
How does the OM7804/BGU7004,598 handle cellular jamming interference?
The OM7804/BGU7004,598 features adaptive biasing that automatically increases supply current during high-power jamming events (e.g., −20 dBm LTE transmit bursts), preserving gain and noise figure performance. At 1575 MHz with 850 MHz jamming, it maintains 17.5 dB gain and 1.1 dB NF-critical for uninterrupted GNSS operation in smartphones and automotive telematics where cellular and GNSS radios coexist. This behavior is intrinsic to the OM7804/BGU7004,598 and requires no external control.
Is the OM7804/BGU7004,598 qualified for automotive applications?
Yes, the OM7804/BGU7004,598 is fully AEC-Q100 qualified (Grade 2: −40 °C to +105 °C ambient, extended to +125 °C junction per datasheet), making it suitable for automotive safety-critical systems such as eCall, toll collection, and ADAS positioning. Its qualification includes stress testing for temperature cycling, humidity, mechanical shock, and ESD-ensuring reliability in demanding vehicular environments. The OM7804/BGU7004,598 meets these requirements without derating.
What is the recommended PCB layout practice for the OM7804/BGU7004,598?
For optimal RF performance, the OM7804/BGU7004,598 requires low-inductance grounding: Pins 1 and 2 must connect to a solid ground plane via multiple vias within 1 mm. The 5.6 nH inductor should be placed adjacent to Pin 3 (RF_IN), and the 1 nF decoupling capacitor must be placed within 1 mm of Pin 4 (VCC) with short, wide traces. Avoid routing sensitive RF traces near digital or switching nodes. The OM7804/BGU7004,598's XSON6 package supports AOI-compatible solder joints when stencil and reflow profiles follow NXP's SOT886 guidelines.
OM7804/BGU7004,598 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Amplifier, GPS
- Frequency:
- 1575.42MHz
- Contents:
- Board(s)
- Utilized IC / Part:
- BGU7004
OM7804/BGU7004,598 FAQ
1.How can I place an order for OM7804/BGU7004,598 through Aetrix?
Please submit a Request for Quotation (RFQ) for OM7804/BGU7004,598 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 OM7804/BGU7004,598 reliable?
The price and inventory of OM7804/BGU7004,598 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OM7804/BGU7004,598 is usually 5 days.
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OM7804/BGU7004,598 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OM7804/BGU7004,598 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 OM7804/BGU7004,598?
For technical support, including OM7804/BGU7004,598 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OM7804/BGU7004,598 requirements.
6.How does Aetrix verify that OM7804/BGU7004,598 is sourced from the original manufacturer or authorized distributors?
All OM7804/BGU7004,598 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 OM7804/BGU7004,598 meets industry standards.
7.What is the process for return or replacement of OM7804/BGU7004,598?
All OM7804/BGU7004,598 units undergo pre-shipment inspection (PSI). If there is an issue with OM7804/BGU7004,598, 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 OM7804/BGU7004,598 part is unused and in its original packaging.
Return procedure for OM7804/BGU7004,598:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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