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NXP Semiconductors SA602AD/01,112
- Part No.:
- SA602AD/01,112
- Manufacturer:
- NXP Semiconductors
- Category:
- RF Mixers
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
SA602AD/01,112.pdf
- Description:
- IC MIXER 500MHZ UP CONVRT 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:3,083
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Product details
Overview
SA602AD/01,112 from NXP Semiconductors is a monolithic VHF double-balanced mixer with integrated Gilbert-cell core, on-chip oscillator, and voltage regulator-designed for cellular radio front-ends. It delivers 17 dB typical conversion gain at 45 MHz, <5.0 dB noise figure, and −13 dBm input third-order intercept, operating from 4.5 V to 8.0 V supply with only 2.4 mA quiescent current.
For engineers reviewing the SA602AD/01,112 datasheet, SA602AD/01,112 pinout, SA602AD/01,112 application, or SA602AD/01,112 equivalent, key selection criteria include its integrated oscillator flexibility (crystal/tank/external LO), balanced RF input impedance (~1.5 kΩ || 3 pF), differential mixer outputs, and SO8 package suitability for portable VHF transceivers and battery-powered IF stages.
Technical Context
The SA602AD/01,112 implements a true Gilbert-cell multiplier architecture with symmetrical differential RF inputs (IN_A/IN_B) and internally biased differential outputs (OUT_A/OUT_B), enabling high linearity and low noise in single-ended or balanced configurations. Its oscillator section supports crystal (overtone mode), LC tank, or external LO injection via OSC_B (pin 6), with emitter output (OSC_E, pin 7) usable as buffer.
Internally compensated biasing ensures stable operation across −40 °C to +85 °C ambient, while the integrated voltage regulator maintains consistent core performance despite supply variation. The device's 1.5 kΩ output termination resistors allow direct connection to ceramic or crystal filters without external pull-ups, reducing BOM count in compact receiver designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Conversion Gain | 17 dB typical at 45 MHz - enables high-sensitivity IF stage amplification without external gain stages |
| Noise Figure | <5.0 dB at 45 MHz - critical for detecting weak signals down to −119 dBm in cellular receivers |
| Input IP3 | −13 dBm typical - defines dynamic range ceiling before intermodulation distortion dominates |
| Oscillator Freq | Up to 200 MHz - supports VHF band mixing without external LO synthesis |
| Supply Current | 2.4 mA typical at 6 V - enables multi-hour operation in battery-powered handheld radios |
| RF Input Z | ~1.5 kΩ || 3 pF - matches common crystal/ceramic filter impedances without external matching |
| Operating Temp | −40 °C to +85 °C - qualified for industrial and portable outdoor equipment environments |
Pinout & Package
SA602AD/01,112 is housed in an 8-lead SO (SO8, SOT96-1) surface-mount package with 3.9 mm body width and standard gull-wing lead form. Pin 1 is marked by a beveled corner or dot; leads are spaced at 1.27 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN_A) | RF input A | Differential RF input terminal; internally biased, interchangeable with IN_B; AC-coupled only |
| 2 (IN_B) | RF input B | Differential RF input terminal; symmetrical to IN_A; no external DC bias permitted |
| 3 (GND) | Ground | Analog ground reference for mixer core, oscillator, and regulator; requires low-inductance PCB connection |
| 4 (OUT_A) | Mixer output A | Differential mixer output; internally pulled up to VCC via 1.5 kΩ resistor for single-ended or balanced termination |
| 5 (OUT_B) | Mixer output B | Differential mixer output; complements OUT_A for balanced IF filtering or transformer coupling |
| 6 (OSC_B) | Oscillator base | Base terminal of internal oscillator transistor; accepts external LO drive or connects to tank/crystal network |
| 7 (OSC_E) | Oscillator emitter | Emitter output of oscillator; used as buffered LO source or feedback node in crystal configurations |
| 8 (VCC) | Supply voltage | Positive supply input (4.5–8.0 V); powers all internal blocks including regulator and oscillator bias network |
Key Features
| Feature | Design Value |
|---|---|
| Gilbert-cell mixer core | Delivers 17 dB gain and −13 dBm IP3 simultaneously-enabling high dynamic range in compact receivers |
| Integrated oscillator | Operates up to 200 MHz in crystal or LC tank mode; OSC_B/OSC_E pins support external LO injection or buffered output |
| Low-power operation | 2.4 mA supply current at 6 V allows use in battery-powered portable radios without thermal derating |
| Filter-ready outputs | 1.5 kΩ internal pull-up resistors on OUT_A/OUT_B enable direct interface to 455 kHz ceramic or crystal IF filters |
| Cellular-qualified specs | Meets noise, gain, and intercept requirements for 45 MHz second IF stages in GSM-class cellular radio architectures |
Applications
| Cellular Radio Front-End | Portable VHF Transceiver |
|---|---|
Use Scenario: Second IF stage in dual-conversion GSM receiver with 45 MHz IF and 455 kHz final IF. IC Role / Device Role / Timing Role: Double-balanced mixer converts 45 MHz RF to 455 kHz IF while rejecting even-order harmonics; on-chip oscillator drives crystal filter at third overtone (44.545 MHz). Use Value: Eliminates discrete oscillator and buffer stages, reducing component count by ≥4 parts and PCB area by >25 mm². | Use Scenario: Compact handheld two-way radio operating in 136–174 MHz VHF band with crystal-filtered IF. IC Role / Device Role / Timing Role: Mixer provides RF-to-IF downconversion; internal oscillator replaces external crystal oscillator IC, simplifying BOM and layout. Use Value: 2.4 mA supply current extends AA-battery life to >12 hours in receive mode; SO8 footprint enables 2-layer PCB design. |
| RF Data Link Receiver | Instrumentation Frequency Converter |
Use Scenario: Low-power telemetry receiver for industrial sensor networks using 433 MHz ISM band. IC Role / Device Role / Timing Role: Mixer downconverts 433 MHz RF to 10.7 MHz IF; external LO injected at OSC_B enables precise frequency agility. Use Value: <5.0 dB noise figure ensures reliable reception at −115 dBm signal levels; 200 MHz oscillator headroom supports future band expansion. | Use Scenario: Lab-grade spectrum analyzer front-end converting HF/VHF signals (1–200 MHz) to fixed IF. IC Role / Device Role / Timing Role: High-linearity mixer core handles wide dynamic range inputs; balanced outputs feed transformer-coupled IF amplifier. Use Value: −13 dBm input IP3 prevents distortion during multi-tone testing; temperature-stable biasing maintains calibration over −40 °C to +85 °C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar double-balanced mixer and oscillator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SA604AD/01,112 | Integrates limiter, quadrature detector, and RSSI; no on-board oscillator; lower gain (12 dB) | Targeted at FM demodulation (e.g., 45 MHz second IF), not RF mixing; requires external LO | Select when full IF demodulation chain is needed-not for standalone mixer/oscillator function |
| NE612P8 | DIP-8 package only; identical electrical specs but no SO8 variant; obsolete in new designs | Same functional role but incompatible with automated SMT assembly; lacks SO8 thermal profile compliance | Use only for legacy DIP board repair; not recommended for new SO8-based designs |
Compared with SA602AD/01,112, the SA604AD/01,112 trades mixer+oscillator integration for demodulator functionality, while the NE612P8 offers identical analog performance but in an obsolete through-hole format-making SA602AD/01,112 the sole modern, surface-mount solution for integrated VHF mixing and local oscillation.
Availability
SA602AD/01,112 is available at Aetrix Electronics and suitable for cellular radio front-ends, portable VHF transceivers, and RF data link receivers requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for SA602AD/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 leader specializing in secure connectivity solutions for automotive, industrial, and consumer applications, with deep expertise in RF analog front-ends and mixed-signal ICs.
The SA602A product line was developed specifically for high-performance, low-power VHF receiver subsystems-targeting cellular radio, portable communications, and instrumentation where integration, noise, and power efficiency are critical.
FAQ
What is the maximum oscillator frequency supported by the SA602AD/01,112?
The SA602AD/01,112 oscillator operates up to 200 MHz in crystal or tuned tank configurations, as confirmed in the dynamic characteristics table. Performance above 100 MHz depends on tank Q-factor; for frequencies beyond 200 MHz, external LO injection at OSC_B (pin 6) is required. The SA602AD/01,112 datasheet specifies this limit under fosc parameter with no upper tolerance beyond 200 MHz.
Can the SA602AD/01,112 be used with a 455 kHz ceramic filter without external components?
Yes-the SA602AD/01,112's OUT_A and OUT_B pins each feature an internal 1.5 kΩ pull-up resistor to VCC, enabling direct connection to standard 455 kHz ceramic filters without external termination. This is explicitly validated in the functional description and output configuration diagrams, reducing external part count and simplifying IF stage design.
What is the recommended supply voltage range for stable operation of the SA602AD/01,112?
The SA602AD/01,112 is specified for stable operation from 4.5 V to 8.0 V, with typical performance measured at 6 V. The absolute maximum rating is 9 V, but operation above 8.0 V risks parametric shift and reduced reliability. Supply ripple must remain below 50 mVpp to avoid oscillator phase noise degradation, per the dynamic characteristics test conditions.
Does the SA602AD/01,112 support differential RF input configurations?
Yes-the SA602AD/01,112 features symmetrical, internally biased differential RF inputs (IN_A and IN_B), explicitly designed for balanced operation. The datasheet confirms interchangeability of these pins and illustrates balanced input configurations in Figure 4b, enabling second-order harmonic rejection and improved common-mode noise immunity in sensitive receiver paths.
How does the SA602AD/01,112 handle external LO injection?
The SA602AD/01,112 accepts external LO injection at OSC_B (pin 6) through a DC-blocking capacitor, requiring ≥200 mV peak-to-peak drive level. This bypasses the internal oscillator and routes the signal directly to the mixer core. The datasheet validates this mode in oscillator circuit descriptions and specifies it as a standard configuration for frequencies exceeding 200 MHz or for synthesizer-controlled systems.
SA602AD/01,112 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- SA602
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- RF Type:
- Cellular, HF, UHF, VHF
- Frequency:
- 500MHz
- Number of Mixers:
- 1
- Gain:
- 17dB
- Noise Figure:
- 5dB
- Secondary Attributes:
- Up Converter
- Current - Supply:
- 2.4mA
- Voltage - Supply:
- 4.5V ~ 8V
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
SA602AD/01,112 FAQ
1.How can I place an order for SA602AD/01,112 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA602AD/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 SA602AD/01,112 reliable?
The price and inventory of SA602AD/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 SA602AD/01,112 is usually 5 days.
3.What payment methods are accepted for SA602AD/01,112?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA602AD/01,112 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA602AD/01,112?
SA602AD/01,112 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA602AD/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 SA602AD/01,112?
For technical support, including SA602AD/01,112 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA602AD/01,112 requirements.
6.How does Aetrix verify that SA602AD/01,112 is sourced from the original manufacturer or authorized distributors?
All SA602AD/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 SA602AD/01,112 meets industry standards.
7.What is the process for return or replacement of SA602AD/01,112?
All SA602AD/01,112 units undergo pre-shipment inspection (PSI). If there is an issue with SA602AD/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 SA602AD/01,112 part is unused and in its original packaging.
Return procedure for SA602AD/01,112:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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