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NXP Semiconductors SA615D/01,112
- Part No.:
- SA615D/01,112
- Manufacturer:
- NXP Semiconductors
- Category:
- RF Mixers
- Package:
- 20-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
SA615D/01,112.pdf
- Description:
- IC MIXER 500MHZ UP CONVRT 20SO
- Quantity:
- Payment:
- Shipping:
Inventory:4,418
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Product details
Overview
SA615D/01,112 from NXP Semiconductors is a monolithic low-power FM IF system integrating mixer/oscillator, dual limiting IF amplifiers, quadrature detector, muting, temperature-compensated RSSI, and voltage regulator. It delivers 13 dB mixer conversion gain at 45 MHz, 25 MHz limiter bandwidth, and >90 dB RSSI dynamic range for cellular radio and high-performance communications receivers.
For engineers reviewing the SA615D/01,112 datasheet, SA615D/01,112 pinout, SA615D/01,112 application, or SA615D/01,112 equivalent, key selection criteria include RF input capability to 500 MHz, 4.6 dB mixer noise figure, ±2 dB RSSI accuracy over temperature, and SO20 package compatibility with AMPS/TACS-compliant designs.
Technical Context
The SA615D/01,112 implements a Gilbert-cell mixer with integrated oscillator supporting L/C tank configurations up to 1 GHz and crystal-based oscillation to 150 MHz. Its IF section provides 39.7 dB amplifier gain and 62.5 dB limiter gain from a 50 Ω source, optimized for 455 kHz ceramic filter interfaces without external matching.
Quadrature detection uses an internal IF signal and externally phase-shifted IF path via AC-coupled tuned network. The RSSI output is logarithmic and temperature-compensated, delivering 0–5.8 V across −118 dBm to −18 dBm IF input levels with ±2 dB variation, meeting EIA cellular radio specifications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Mixer NF | 4.6 dB at 45 MHz - enables 0.22 µV sensitivity into 50 Ω for 12 dB SINAD |
| IF Bandwidth | 25 MHz small-signal limiter bandwidth - supports wideband FM demodulation and spectrum analysis |
| RSSI Range | >90 dB dynamic range - allows precise RF level measurement across cellular and instrumentation use cases |
| Supply Current | 5.7 mA typical at 6 V - enables battery-powered portable receiver designs |
| RF Input Freq | Up to 500 MHz - supports VHF/UHF front-end integration in single-conversion architectures |
| Oscillator Freq | Up to 150 MHz crystal mode - permits stable local oscillator generation for 45 MHz IF systems |
| AM Rejection | 25–43 dB - ensures robust FM demodulation in mixed-signal environments |
Pinout & Package
SA615D/01,112 is housed in a plastic small outline package (SO20) with 20 leads and 7.5 mm body width (SOT163-1), rated for −40 °C to +85 °C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 RF_IN | RF input | Single-ended 4.7 kΩ input impedance; accepts up to 500 MHz signals |
| 3 OSC_OUT | Oscillator output | Drives external crystal or L/C tank; supports Hartley/Colpitts topologies |
| 7 RSSI_OUT | RSSI output | Analog voltage proportional to log IF level; ±2 dB temp stability |
| 8 MUTED_AUD_OUTP | Muted audio output | Audio path gated by CMOS/TTL-compatible MUTE_INPUT (pin 5) |
| 16 IF_AMP_OUT | IF amplifier output | 1.5 kΩ output impedance; directly drives 455 kHz ceramic filters |
| 15 GND | Ground | Negative supply reference; requires low-inductance PCB grounding |
Key Features
| Feature | Design Value |
|---|---|
| Temperature-compensated RSSI | ±2 dB error over −40 °C to +85 °C enables stable RF level monitoring in field-deployed radios |
| Dual audio outputs | Muted and unmuted paths allow simultaneous signal processing and mute control without external switching |
| Low external component count | Supports crystal, ceramic, or LC filters - eliminates need for discrete IF transformers or matching networks |
| ESD-hardened design | HBM rating per JEDEC JESD22-A114 exceeds 2 kV - improves manufacturing yield and field reliability |
| High mixer IP3i | −12 dBm input third-order intercept point - enhances selectivity in crowded RF environments |
Applications
| Cellular Radio FM IF | High-Performance Communications Receivers |
|---|---|
Use Scenario: AMPS/TACS base station and mobile unit IF processing at 455 kHz. IC Role / Device Role / Timing Role: Single-chip FM IF subsystem handling mixing, limiting, quadrature detection, and RSSI generation. Use Value: Meets EIA cellular radio specifications with 12 dB SINAD at −120 dBm RF input and 43 dB AM rejection. | Use Scenario: Portable HF/VHF scanning receivers requiring wide dynamic range and low power. IC Role / Device Role / Timing Role: Core IF processor providing 90 dB RSSI range and 25 MHz limiter bandwidth for signal analysis. Use Value: Enables battery operation with 5.7 mA supply current while maintaining 68 dB S/N ratio and <−42 dB THD. |
| Single Conversion VHF/UHF Receivers | RF Level Meter |
Use Scenario: Direct-conversion receivers operating at 136–174 MHz VHF or 400–520 MHz UHF bands. IC Role / Device Role / Timing Role: Mixer + IF chain with 500 MHz RF input capability and internal 150 MHz oscillator support. Use Value: Eliminates need for external IF amplifiers or detectors; reduces BOM count and layout complexity. | Use Scenario: Field-portable RF power measurement tool for antenna alignment and site surveys. IC Role / Device Role / Timing Role: Logarithmic RSSI generator with calibrated 0–5.8 V output across 90 dB input range. Use Value: Provides traceable RF level indication without external ADC or calibration circuitry. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FM IF system applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SA605D/01,112 | Lower ICC (typ. 4.5 mA), lower mixer IP3i (−15 dBm), reduced RSSI accuracy (±3 dB), narrower limiter bandwidth (15 MHz) | Targeted at cost-sensitive AM/FM receivers where full SA615 performance is not required | Select SA605D/01,112 only when power budget is tighter and 90 dB RSSI range is unnecessary |
| SA614D/01,112 | No integrated mixer; IF-only architecture with 40 dB gain and 10 MHz bandwidth; lacks RSSI and quadrature detector | Suitable for second-IF stages in superheterodyne receivers where first conversion is handled externally | Choose SA614D/01,112 when mixer functionality is redundant and board space must be minimized |
Compared with SA605D/01,112 and SA614D/01,112, the SA615D/01,112 uniquely integrates mixer, limiter, quadrature detector, and temperature-stable RSSI in one SO20 package-enabling complete single-conversion FM IF chains without supplemental ICs or precision analog calibration.
Availability
SA615D/01,112 is available at Aetrix Electronics and suitable for cellular radio FM IF, high-performance communications receivers, and RF level meter applications requiring stable component supply and long-term industrial availability.
Supply support for SA615D/01,112 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 specializing in secure connectivity solutions for automotive, industrial, and communication markets.
The SA615 product line was designed for high-performance, low-power FM intermediate frequency processing in cellular and professional radio equipment, emphasizing integration, temperature stability, and EIA compliance.
FAQ
What is the maximum RF input frequency supported by the SA615D/01,112?
The SA615D/01,112 supports RF input frequencies up to 500 MHz, as confirmed in its dynamic characteristics table under parameter 'fi'. This capability enables direct use in VHF/UHF single-conversion receiver front ends without external downconversion. The SA615D/01,112 achieves this using a high-linearity Gilbert-cell mixer structure optimized for broadband operation.
Does the SA615D/01,112 require external components for oscillator operation?
Yes, the SA615D/01,112 requires external components for oscillator operation: a crystal (up to 150 MHz fundamental or overtone) or L/C tank (up to 1 GHz). Pins 3 (OSC_OUT) and 4 (OSC_IN) interface with these external networks. The SA615D/01,112 datasheet specifies Hartley and Colpitts topologies for crystal use and recommends Butler oscillators for frequencies above 100 MHz.
What is the RSSI output voltage range and accuracy of the SA615D/01,112?
The SA615D/01,112 RSSI output spans 0 mV to 5.8 V across a >90 dB IF input range (−118 dBm to −18 dBm), with ±2 dB variation over temperature. This is measured at pin 7 (RSSI_OUT) with R9 = 100 kΩ. The SA615D/01,112 achieves this via on-die temperature compensation, eliminating need for external calibration in field-deployed equipment.
Can the SA615D/01,112 operate from a 4.5 V supply?
Yes, the SA615D/01,112 operates across 4.5 V to 8.0 V supply voltage (VCC), with specified performance at 4.5 V including 450 mV unmuted audio output and 4.3 V RSSI output at −27 dBm RF level. Its 5.7 mA typical current draw at 6 V scales linearly, making the SA615D/01,112 suitable for battery-powered portable radios with brown-out resilience.
How does the SA615D/01,112 differ from the SA605 in terms of IF performance?
The SA615D/01,112 offers higher IF bandwidth (25 MHz vs. 15 MHz), greater limiter gain (62.5 dB vs. 55 dB), improved AM rejection (up to 43 dB vs. 35 dB), and tighter RSSI accuracy (±2 dB vs. ±3 dB) compared to the SA605. These enhancements make the SA615D/01,112 suitable for demanding cellular and instrumentation applications where the SA605's lower specification set may limit dynamic range or selectivity.
SA615D/01,112 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- SA615
- Package/Case:
- 20-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- RF Type:
- Cellular, ASK, FSK, UHF, VHF
- Frequency:
- 500MHz
- Number of Mixers:
- 3
- Gain:
- 13dB
- Noise Figure:
- 5dB
- Secondary Attributes:
- Up Converter
- Current - Supply:
- 7.4mA
- Voltage - Supply:
- 4.5V ~ 8V
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-SO
SA615D/01,112 FAQ
1.How can I place an order for SA615D/01,112 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA615D/01,112 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 SA615D/01,112 reliable?
The price and inventory of SA615D/01,112 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SA615D/01,112 is usually 5 days.
3.What payment methods are accepted for SA615D/01,112?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA615D/01,112 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA615D/01,112?
SA615D/01,112 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA615D/01,112 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 SA615D/01,112?
For technical support, including SA615D/01,112 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA615D/01,112 requirements.
6.How does Aetrix verify that SA615D/01,112 is sourced from the original manufacturer or authorized distributors?
All SA615D/01,112 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 SA615D/01,112 meets industry standards.
7.What is the process for return or replacement of SA615D/01,112?
All SA615D/01,112 units undergo pre-shipment inspection (PSI). If there is an issue with SA615D/01,112, 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 SA615D/01,112 part is unused and in its original packaging.
Return procedure for SA615D/01,112:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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