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NXP Semiconductors OM13534UL
- Part No.:
- OM13534UL
- Manufacturer:
- NXP Semiconductors
- Category:
- RF, RFID, Wireless Evaluation Boards
- Package:
- Datasheet:
-
OM13534UL.pdf
- Description:
- BOARD DEMO SA605DK
- Quantity:
- Payment:
- Shipping:
Inventory:2,222
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Product details
Overview
OM13534UL from NXP Semiconductors is a high-performance, low-power FM intermediate frequency (IF) system IC integrating mixer/oscillator, dual limiting IF amplifiers, quadrature detector, muting, temperature-compensated logarithmic RSSI, and on-chip voltage regulation. It delivers 13 dB mixer conversion gain at 45 MHz, 25 MHz limiter bandwidth, >90 dB RSSI dynamic range, and operates from −40 °C to +85 °C for cellular radio and communications receiver applications.
For engineers reviewing the OM13534UL datasheet, OM13534UL pinout, OM13534UL application, or OM13534UL equivalent, this page provides verified circuit role, SO20/SSOP20 package mapping, confirmed RF_IN–RSSI_OUT signal chain behavior, EIA-compliant AMPS/TACS performance data, and validated alternative part selection guidance.
Technical Context
The OM13534UL implements a fully integrated single-conversion FM IF architecture with a Gilbert-cell mixer driven by an internal oscillator effective to 150 MHz (L/C tank up to 1 GHz), followed by two cascaded limiting IF amplifier stages delivering 102 dB total gain and optimized 455 kHz response. Its quadrature detector uses AC-coupled external tuning to generate precise 90° phase shift for FM demodulation.
Temperature-compensated RSSI output provides linear-in-dB voltage scaling across >90 dB input dynamic range, while dual audio outputs (muted/unmuted) support CMOS/TTL-compatible muting control with >60 dB attenuation. The device meets EIA AMPS and TACS specifications with 0.22 µV sensitivity (−120 dBm) at 12 dB SINAD.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Mixer NF | 4.6 dB at 45 MHz - enables high-sensitivity reception in weak-signal environments |
| IP3i | −10 dBm - supports robust adjacent-channel rejection in crowded RF bands |
| IF Bandwidth | 25 MHz small-signal limiter bandwidth - accommodates wideband FM and FSK signals |
| RSSI Range | >90 dB dynamic range with ±1.5 dB variation - ensures accurate signal-level monitoring across operating temperature |
| Supply Current | 5.7 mA typical at 6 V - enables battery-powered portable radio designs |
| Sensitivity | 0.22 µV into 50 Ω for 12 dB SINAD - meets cellular-grade performance per EIA standards |
| AM Rejection | 29–43 dB at 80% AM 1 kHz - suppresses amplitude interference in FM demodulation path |
Pinout & Package
OM13534UL is available in two surface-mount packages: SO20 (SOT163-1, 7.5 mm body width) and SSOP20 (SOT266-1, 4.4 mm body width). Both are 20-lead plastic packages rated for −40 °C to +85 °C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RF_IN (1) | RF input terminal | Accepts 500 MHz max RF signal; 4.7 kΩ input impedance enables direct antenna coupling |
| VCC (6) | Positive supply | 4.5–8.0 V operation; internal regulator supports stable biasing of all analog blocks |
| RSSI_OUT (7) | Logarithmic RSSI output | 0–5.6 V output proportional to IF level; calibrated for −118 dBm to −18 dBm range |
| MUTED_AUD_OUTP (8) | Muted audio output | High-impedance output disabled during mute; >60 dB attenuation when MUTE_INPUT active |
| UNMUTED_AUD_OUTP (9) | Unmuted audio output | Continuous FM-demodulated audio; 58 kΩ output impedance compatible with C-message weighting |
| QUADRATURE_IN (10) | Quadrature network input | AC-coupled port for external 90° phase-shift network; critical for distortion-free FM detection |
| LIMITER_OUT (11) | Limiter amplifier output | Drives quadrature detector; 62.5 dB gain ensures constant-envelope signal for demodulation |
| GND (15) | Ground reference | Negative supply return; requires low-inductance PCB connection to minimize noise coupling |
| IF_AMP_OUT (16) | IF amplifier output | 1.5 kΩ output impedance matches standard 455 kHz ceramic filters without external matching |
| MIXER_OUT (20) | Mixer output | Internally loaded with 1.5 kΩ resistor; directly interfaces with first IF filter stage |
Key Features
| Feature | Design Value |
|---|---|
| Temperature-compensated RSSI | ±1.5 dB error over −40 °C to +85 °C ensures reliable signal-strength reporting in field-deployed radios |
| Integrated oscillator | Supports crystal (≤150 MHz) or L/C tank (≤1 GHz) configurations - eliminates external LO synthesis complexity |
| Dual audio outputs | Separate muted/unmuted paths enable seamless squelch control without audio path switching artifacts |
| Low external component count | Compatible with Murata SFG455A3/CFU455D ceramic filters - reduces BOM cost and board area |
| ESD hardened | Withstands human-body-model ESD events per industry standards - improves manufacturing yield and field reliability |
Applications
| Cellular Radio FM IF | High-Performance Communications Receiver |
|---|---|
Use Scenario: Front-end IF processing in AMPS/TACS base station transceivers and mobile handsets. IC Role / Device Role / Timing Role: Single-chip FM IF subsystem handling mixer, limiting, quadrature detection, and RSSI generation. Use Value: Meets EIA cellular specifications with 0.22 µV sensitivity and >90 dB RSSI range - eliminates need for discrete IF chain calibration. |
Use Scenario: Wideband scanning receivers for public safety, aviation, and maritime monitoring. IC Role / Device Role / Timing Role: Core IF processor enabling high-fidelity FM/FSK demodulation with minimal external components. Use Value: 25 MHz limiter bandwidth and 102 dB gain support multi-standard operation without hardware reconfiguration. |
| Single-Conversion VHF/UHF Receiver | RF Level Meter / Spectrum Analyzer Front-End |
Use Scenario: Compact handheld receivers operating at 136–174 MHz (VHF) or 400–520 MHz (UHF). IC Role / Device Role / Timing Role: Complete IF signal chain from mixer output to demodulated audio and RSSI. Use Value: SO20/SSOP20 packaging and 5.7 mA supply current enable portable, battery-operated form factors. |
Use Scenario: Portable RF field strength analyzers and educational spectrum visualization tools. IC Role / Device Role / Timing Role: Logarithmic RSSI generator with calibrated dB-linear output for real-time signal measurement. Use Value: >90 dB dynamic range and ±1.5 dB temperature stability allow accurate RF level quantification across environmental conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FM IF system applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SA615 | Lower IP3i (−15 dBm vs. −10 dBm), higher ICC (7.2 mA vs. 5.7 mA), lower limiter gain (58 dB vs. 62.5 dB), higher RSSI error (±3 dB vs. ±1.5 dB) | Meets same EIA AMPS/TACS specs but with reduced linearity and power efficiency | Select SA615 only if cost sensitivity outweighs performance requirements in non-critical monitoring applications |
| MC3362 | Discrete IF amplifier + separate quadrature detector; no integrated RSSI or oscillator; 12 dB lower IF gain (90 dB vs. 102 dB) | Requires external crystal oscillator, RSSI IC, and additional passive filtering | Choose MC3362 only for legacy designs requiring pin compatibility with existing MC3362 layouts |
Compared with SA615 and MC3362, OM13534UL delivers superior mixer linearity, lower power consumption, integrated temperature-stable RSSI, and reduced external component count - making it optimal for new high-performance, space-constrained FM receiver designs.
Availability
OM13534UL is available at Aetrix Electronics and suitable for cellular radio FM IF, high-performance communications receivers, single-conversion VHF/UHF receivers, and RF level meter applications requiring stable component supply and full production traceability.
Supply support for OM13534UL 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 leader specializing in secure connectivity solutions for automotive, industrial, and consumer applications, with deep expertise in RF and mixed-signal IC design.
The OM13534UL belongs to NXP's SA605 family of high-integration FM IF systems, engineered specifically for EIA-compliant cellular and professional communications equipment requiring low power, high linearity, and temperature-stable signal strength indication.
FAQ
What is the primary function of the OM13534UL in an FM receiver design?
The OM13534UL serves as a complete FM intermediate frequency (IF) processing system, integrating mixer/oscillator, dual limiting IF amplifiers, quadrature detector, muting logic, and temperature-compensated RSSI. In an FM receiver, OM13534UL replaces multiple discrete stages - reducing component count, improving repeatability, and ensuring EIA AMPS/TACS compliance with 0.22 µV sensitivity and >90 dB RSSI range.
Does the OM13534UL support both crystal and LC-based oscillator configurations?
Yes, the OM13534UL supports both configurations: crystal oscillators up to 150 MHz (using Hartley or Colpitts topologies) and LC-tank oscillators up to 1 GHz. The oscillator section is internally buffered, allowing direct connection to external resonators or tuned tanks. Designers must select appropriate external components per NXP Application Note AN10365 and the OM13534UL datasheet layout guidelines.
What are the key differences between OM13534UL and SA615?
The OM13534UL (SA605) offers higher mixer input intercept point (−10 dBm vs. −15 dBm), lower supply current (5.7 mA vs. 7.2 mA), higher limiter gain (62.5 dB vs. 58 dB), and tighter RSSI accuracy (±1.5 dB vs. ±3 dB) compared to SA615. Both meet EIA AMPS/TACS specs, but OM13534UL delivers superior linearity and power efficiency for demanding receiver applications.
Can OM13534UL be used with 16 kHz or 30 kHz ceramic IF filters?
Yes, OM13534UL is qualified with both 16 kHz (Murata CFU455D) and 30 kHz (Murata SFG455A3) ceramic filters. The device's 25 MHz limiter bandwidth and 1.5 kΩ IF input/output impedances eliminate need for external matching networks. For 16 kHz filters, use 6 kHz peak deviation; for 30 kHz filters, use 8 kHz deviation - per OM13534UL test setup documentation.
What is the recommended power supply decoupling for OM13534UL?
NXP specifies a 10–15 µF tantalum capacitor on the VCC line (pin 6) plus a 0.1 µF ceramic capacitor placed near the pin and grounded close to the 44.545 MHz oscillator node. This dual-capacitor approach ensures low-frequency ESR stability and high-frequency noise suppression, improving sensitivity by 2–3 dB. Layout must minimize trace inductance between capacitors and OM13534UL pins.
OM13534UL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Packaging:
- Box
- Product Status:
- Obsolete
- Type:
- Receiver
- Frequency:
- 45MHz
- Contents:
- Board(s)
- Utilized IC / Part:
- SA605
OM13534UL FAQ
1.How can I place an order for OM13534UL through Aetrix?
Please submit a Request for Quotation (RFQ) for OM13534UL 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 OM13534UL reliable?
The price and inventory of OM13534UL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OM13534UL is usually 5 days.
3.What payment methods are accepted for OM13534UL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OM13534UL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OM13534UL?
OM13534UL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OM13534UL 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 OM13534UL?
For technical support, including OM13534UL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OM13534UL requirements.
6.How does Aetrix verify that OM13534UL is sourced from the original manufacturer or authorized distributors?
All OM13534UL 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 OM13534UL meets industry standards.
7.What is the process for return or replacement of OM13534UL?
All OM13534UL units undergo pre-shipment inspection (PSI). If there is an issue with OM13534UL, 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 OM13534UL part is unused and in its original packaging.
Return procedure for OM13534UL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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