My Inquiry
My Account
Microchip Technology SST11CP22-GN
- Part No.:
- SST11CP22-GN
- Manufacturer:
- Microchip Technology
- Category:
- RF Front End (LNA + PA)
- Package:
- 20-UFQFN Exposed Pad
- Datasheet:
-
SST11CP22-GN.pdf
- Description:
- IC MOD PAM WLAN 11A/N/AC 20UQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,283
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SST11CP22-GN from Microchip Technology is a 5.1–5.9 GHz RF power amplifier module (PAM) designed for IEEE 802.11a/n/ac WLAN systems, delivering 24 dBm output with 802.11a spectrum mask compliance, 31 dB typical gain, and integrated harmonic filtering. It operates at 5.0 V supply voltage and features on-chip linear power detection with >20 dB dynamic range.
For engineers reviewing the SST11CP22-GN datasheet, SST11CP22-GN pinout, SST11CP22-GN application, or SST11CP22-GN equivalent, this page provides verified specifications, package details, real-world use scenarios, and validated alternative options for 5 GHz Wi-Fi front-end design and integration.
Technical Context
The SST11CP22-GN integrates an InGaP/GaAs HBT power stage with matched 50 Ω input/output ports and an FCC-compliant harmonic filter. Its bias circuit supports high-speed enable control with <100 ns turn-on/off timing and ~2 µA shutdown current.
It implements a temperature-stable, VSWR-insensitive RF power detector (DET pin) with 0.15–1.0 V output across 0–23 dBm, and uses three independent VCC pins (18–20) to optimize supply integrity for RF performance across the full 5.1–5.9 GHz band.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Range | 5.1–5.9 GHz - fully covers UNII-1/2/2e/3 bands for global 5 GHz Wi-Fi operation. |
| Output Power | 24 dBm @ 802.11a mask compliance - enables high-efficiency PA operation without external filtering in compact PCB layouts. |
| Power Gain | 31 dB typical - reduces required driver stage gain and simplifies system-level link budget planning. |
| EVM Performance | 1.8% @ 18 dBm, 802.11ac MCS9, 80 MHz - meets high-throughput Wi-Fi 5 requirements with minimal signal distortion. |
| Supply Voltage | 5.0 V (typical), up to 6.0 V - compatible with standard 5 V DC-DC rails and allows margin for transient headroom. |
| Quiescent Current | 320 mA - defines baseline power consumption during active standby, critical for thermal management. |
| Enable Timing | <100 ns (10%–90%) - supports fast TDD switching in time-division duplexed Wi-Fi systems. |
| Detector Range | 0.15–1.0 V for 0–23 dBm - enables accurate closed-loop TX power control using standard ADC inputs. |
Pinout & Package
Package: 20-contact Ultra Thin Quad Flat No-Lead (UQFN), 4 mm × 4 mm × 0.55 mm body (GN package code), with exposed center ground pad requiring multiple low-inductance vias to RF ground.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RFIN (Pin 3) | RF Input | 50 Ω-matched port accepting baseband-filtered 5 GHz signal; requires DC blocking capacitor per reference schematic. |
| RFOUT (Pin 13) | RF Output | 50 Ω-matched, filtered output driving antenna switch or duplexer; integrated harmonic suppression eliminates external filter need. |
| PEN (Pin 5) | PA Enable Control | CMOS-compatible digital input (2.85 V typical); controls full power-up/down sequence with sub-100 ns edge response. |
| DET (Pin 10) | TX Power Detector Output | Analog voltage output proportional to RF output power (0.15–1.0 V over 0–23 dBm); insensitive to load VSWR variations. |
| VCC1/VCC2/VCC3 (Pins 18,19,20) | PA Supply Inputs | Three dedicated 5 V supply pins reduce IR drop and supply noise coupling; each must be decoupled with 0.1 µF + 10 µF capacitors. |
| GND (Pins 0,2,4,7,11,12,14–17) | Ground Terminals | 13 total ground connections including center thermal pad - essential for RF stability, thermal dissipation, and EMI suppression. |
| NC (Pins 1,6,8,9) | No Connection | Unbonded die pads; must remain unconnected on PCB to avoid parasitic coupling or reliability risk. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Harmonic Filter | FCC-compliant suppression of 2nd/3rd harmonics (−45 dBm/MHz and −50 dBm/MHz at 24 dBm), eliminating discrete filter components. |
| On-Chip Linear Power Detection | Temperature-stable, VSWR-insensitive analog output (0.15–1.0 V) enabling precise closed-loop TX power control without external couplers. |
| High-Speed Enable Interface | Sub-100 ns power-up/down timing supports dynamic TDD and low-latency MAC-layer power gating in modern Wi-Fi chipsets. |
| 50 Ω RF-Matched I/O | Eliminates external matching networks at both input and output, reducing BOM count and layout area while improving repeatability. |
| InGaP/GaAs HBT Process | Delivers high linearity and efficiency at 5 GHz with proven reliability in volume production Wi-Fi modules. |
| Simple External Circuit | Requires only four passive components (three 0.1 µF caps + one 10 µF bulk cap) - accelerates reference design adoption and validation. |
Applications
| Wi-Fi 5 Access Point | Wi-Fi 5 Client Device |
|---|---|
Use Scenario: Dual-band AP supporting concurrent 802.11ac 3×3 MIMO on 5 GHz with OFDMA scheduling. IC Role / Device Role / Timing Role: Final-stage power amplifier in transmit chain, driven by BB IC's 5 GHz DAC output and controlled via GPIO-based PEN signal. Use Value: Delivers 24 dBm output with 802.11ac MCS9 compliance, enabling extended range and higher throughput without external filtering. |
Use Scenario: Compact laptop or tablet with integrated 5 GHz Wi-Fi 5 radio and space-constrained RF front-end. IC Role / Device Role / Timing Role: Integrated PAM handling final amplification before antenna switch; DET pin feeds back to BB IC for real-time TX power calibration. Use Value: Reduces component count by eliminating discrete filters and matching networks, saving PCB area and assembly cost. |
| Wi-Fi 6 Pre-Compliance Test Platform | Industrial Wireless Video Transmitter |
Use Scenario: Engineering test fixture validating 802.11ax OFDMA waveform fidelity under varying channel conditions. IC Role / Device Role / Timing Role: High-linearity PA stage generating calibrated 5 GHz signals; PEN synchronized to baseband frame timing for burst-mode operation. Use Value: Maintains 1.8% EVM at 18 dBm for 80 MHz bandwidth, ensuring accurate PHY-layer testing without spectral regrowth artifacts. |
Use Scenario: HD video streaming transmitter in factory automation, operating in 5.25–5.35 GHz ISM band with strict EMI limits. IC Role / Device Role / Timing Role: Transmit amplifier in ruggedized wireless camera module; GND-rich UQFN package ensures stable thermal performance at 85°C ambient. Use Value: Integrated harmonic filter meets EN 301 893 Class A emission requirements without additional shielding or filtering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 5 GHz WLAN power amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SST11LP17-GN | Lower frequency range (4.9–5.9 GHz), 23 dBm max output, 28 dB gain, single VCC pin. | Better suited for dual-band (2.4/5 GHz) combo radios with shared 5 V rail; less suitable for high-power 5 GHz-only designs. | Select when board-level supply routing favors single-VCC simplicity and 23 dBm suffices for target link budget. |
| SKY85720-31 | 5.15–5.85 GHz, 25 dBm output, integrated directional coupler, 3.3 V operation. | Enables true directional power monitoring; requires 3.3 V supply and different enable logic threshold (1.4 V). | Choose when real-time forward/reflected power measurement is needed for adaptive antenna tuning or VSWR protection. |
Compared with SST11CP22-GN, SST11LP17-GN trades output power and gain for supply simplification, while SKY85720-31 adds directional sensing at the cost of voltage compatibility and increased complexity-both require layout and control firmware adaptation.
Availability
SST11CP22-GN is available at Aetrix Electronics and suitable for Wi-Fi access point design, client device RF front-end integration, and industrial wireless video transmission requiring stable component supply and long-term manufacturability.
Supply support for SST11CP22-GN 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
Microchip Technology is a U.S.-based semiconductor company specializing in microcontrollers, analog devices, and RF solutions, with ISO/TS-16949 certified manufacturing and global technical support infrastructure.
The SST11CP22-GN belongs to Microchip's SST family of integrated Wi-Fi power amplifiers, engineered specifically for high-efficiency, low-footprint 5 GHz WLAN front-end modules in consumer and industrial applications.
FAQ
What is the absolute maximum supply voltage rating for SST11CP22-GN?
The absolute maximum supply voltage at pins 18, 19, and 20 (VCC) is +6.5 V. Operation above 6.0 V is outside the recommended range per Table 3-1 and may impact reliability or parametric performance. The SST11CP22-GN is specified for 5.0 V nominal operation, with 5.0–6.0 V defined as the industrial operating range.
Does SST11CP22-GN require external matching components?
No, the SST11CP22-GN features fully 50 Ω-matched RF input (RFIN) and output (RFOUT) ports, including internal DC blocking. The reference schematic (Figure 4-8) confirms only four external capacitors are needed: three 0.1 µF for VCC decoupling and one 10 µF bulk capacitor. No external baluns, transformers, or impedance-matching networks are required.
How does the DET pin on SST11CP22-GN respond to load mismatch?
The DET pin on SST11CP22-GN provides a VSWR-insensitive RF power detection output, meaning its voltage remains stable across varying antenna impedances. Per datasheet Table 3-2, it delivers 0.75 V at 20 dBm output regardless of load VSWR - a key advantage over coupler-based detectors that require calibration per antenna configuration.
Can SST11CP22-GN operate in 802.11ax (Wi-Fi 6) systems?
Yes, the SST11CP22-GN supports 802.11ax waveforms within its 5.1–5.9 GHz band. While not explicitly characterized for 1024-QAM, its 1.8% EVM at 18 dBm for 802.11ac MCS9 (80 MHz) demonstrates sufficient linearity for lower-order 802.11ax MCS schemes. System-level validation is recommended for specific OFDMA or MU-MIMO configurations.
What is the thermal pad connection requirement for SST11CP22-GN?
The center ground pad (Pin 0) of the SST11CP22-GN must be connected to RF ground using at least six low-inductance, low-resistance vias (0.3 mm diameter minimum) distributed evenly beneath the pad. This is mandatory for thermal dissipation, RF stability, and meeting the 150°C maximum junction temperature specification - failure to implement this risks thermal shutdown or parametric drift.
SST11CP22-GN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- RF Type:
- WLAN
- Frequency:
- 5.1GHz ~ 5.9GHz
- Features:
- -
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 20-QFN (4x4)
SST11CP22-GN FAQ
1.How can I place an order for SST11CP22-GN through Aetrix?
Please submit a Request for Quotation (RFQ) for SST11CP22-GN 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 SST11CP22-GN reliable?
The price and inventory of SST11CP22-GN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SST11CP22-GN is usually 5 days.
3.What payment methods are accepted for SST11CP22-GN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SST11CP22-GN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SST11CP22-GN?
SST11CP22-GN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SST11CP22-GN 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 SST11CP22-GN?
For technical support, including SST11CP22-GN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SST11CP22-GN requirements.
6.How does Aetrix verify that SST11CP22-GN is sourced from the original manufacturer or authorized distributors?
All SST11CP22-GN 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 SST11CP22-GN meets industry standards.
7.What is the process for return or replacement of SST11CP22-GN?
All SST11CP22-GN units undergo pre-shipment inspection (PSI). If there is an issue with SST11CP22-GN, 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 SST11CP22-GN part is unused and in its original packaging.
Return procedure for SST11CP22-GN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SST11CP22-GN Tags
-
RFX2401C
Skyworks Solutions Inc.
.jpg)
-
NRF21540-QDAA-R
Nordic Semiconductor ASA
-
NRF21540-QDAA-R7
Nordic Semiconductor ASA
-
RFX2411N
Skyworks Solutions Inc.
-
SE2438T-R
Skyworks Solutions Inc.
-
SKY66118-11
Skyworks Solutions Inc.
-
SKY85712-21
Skyworks Solutions Inc.
-
SKY85329-11
Skyworks Solutions Inc.
-
SKY66422-11
Skyworks Solutions Inc.
-
SKY66119-11
Skyworks Solutions Inc.
-
NJG1156PCD-TE1
Nisshinbo Micro Devices Inc.
-
SE2435L-R
Skyworks Solutions Inc.
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
