Analog Devices Inc./Maxim Integrated MAX2209AEBS+T
- Part No.:
- MAX2209AEBS+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- RF Detectors
- Package:
- 4-WFBGA, CSPBGA
- Datasheet:
-
MAX2209AEBS+T.pdf
- Description:
- IC RF PWR DETECTOR 4UCSP
- Quantity:
- Payment:

- Shipping:

Inventory:2,864
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Product details
Overview
The MAX2209AEBS+T from Maxim Integrated is a wideband RF power detector operating from 800MHz to 2GHz, delivering DC output voltage proportional to RF peak voltage with ±0.5dB detection error over temperature, -25dBm to -5dBm input range, and 140ns RF step-response time-used in WCDMA/HSDPA/HSUPA handset transmit power control loops.
For engineers reviewing the MAX2209AEBS+T datasheet, MAX2209AEBS+T pinout, MAX2209AEBS+T application, or MAX2209AEBS+T equivalent, key selection criteria include its UCSP-4 package footprint, shutdown-controlled current draw (≤50µA), temperature-stable calibration behavior, and compatibility with directional coupler–based RF sampling in compact cellular front-ends.
Technical Context
The MAX2209AEBS+T implements a bipolar-process logarithmic detector architecture optimized for envelope tracking in dual-band WCDMA systems, supporting simultaneous operation at 836MHz and 1950MHz with <0.16dB sigma error across temperature and input power.
It integrates dual-function RFIN/SHDN terminal enabling RF input coupling and logic-level shutdown control via external 2kΩ resistor, while maintaining 16dB input return loss at 800MHz and 9dB at 2GHz-critical for minimizing source mismatch in PA feedback paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Frequency Range | 800MHz to 2000MHz - supports full WCDMA Band I/II/IV/V/VI/VIII and HSDPA/HSUPA uplink/downlink channels |
| Detection Range | -25dBm to -5dBm - covers typical PA output power levels before antenna switch and coupler insertion loss |
| Detection Error | ±0.5dB at -5dBm, ±1.5dB at -25dBm (TA = -40°C to +85°C) - enables single-point room-temp calibration with minimal residual error |
| Step-Response Time | 140ns - meets fast AGC loop timing requirements for burst-mode WCDMA transmission |
| Supply Voltage | +2.7V to +5.0V - compatible with common baseband processor I/O rails and LDO outputs |
| Shutdown Current | 25µA to 50µA - reduces system standby power when PA is inactive |
| Output Drive | Sinks 75–150µA / Sources 1000–2300µA - sufficient to drive ADC input without external buffer |
Pinout & Package
The MAX2209AEBS+T is housed in a 2mm × 2mm, 0.5mm pitch, 4-bump UCSP™ (Ultra Compact Silicon Package) with bottom-side solder bumps and top-mark "AGJ".
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | OUT | Detector analog output - delivers temperature-compensated DC voltage proportional to RF input power |
| A2 | VCC | Positive supply input - requires local 27pF–47pF bypass capacitor to GND for RF stability |
| B1 | GND | Ground reference - must connect directly to low-inductance PCB ground plane via multiple vias |
| B2 | RFIN/SHDN | Combined RF input and shutdown control - AC-coupled for RF, DC-biased via 2kΩ for SHDN logic |
Key Features
| Feature | Design Value |
|---|---|
| Temperature-Stable Detection | ±0.5dB max error after room-temp calibration - eliminates need for multi-point temperature compensation in handset firmware |
| Integrated Shutdown Control | Single-terminal RFIN/SHDN interface - reduces PCB routing complexity vs. separate enable pin solutions |
| Fast RF Response | 140ns step response - supports dynamic power ramping in HSPA+ TDD/FDD burst frames |
| Small-Footprint Packaging | 1mm² UCSP-4 footprint - fits within tight RF module layouts near power amplifier output |
| Wideband Return Loss | ≥9dB from 800–2000MHz - minimizes reflected power impact on PA load-pull stability |
Applications
| Dual-Band WCDMA Handset PA Control | HSDPA/HSUPA Transmit Power Monitoring |
|---|---|
Use Scenario: Real-time closed-loop transmit power adjustment in 3G mobile handsets supporting Band I (2100MHz) and Band V (850MHz). IC Role / Device Role / Timing Role: RF power detector providing feedback voltage to baseband processor ADC for digital AGC computation. Use Value: Enables ±0.5dB power accuracy across -40°C to +85°C without factory temperature calibration, reducing test time and firmware overhead. | Use Scenario: Uplink/downlink packet power verification during HSDPA Category 10 and HSUPA Category 6 data sessions. IC Role / Device Role / Timing Role: High-speed envelope detector capturing rapid power transitions in 2ms TTI bursts. Use Value: 140ns response ensures accurate peak power capture even during 10Mbps+ downlink throughput with dynamic modulation scaling. |
| cdma2000 Mobile Terminal Power Feedback | Compact Cellular Front-End Calibration |
Use Scenario: Transmit power stabilization in cdma2000 1xEV-DO Rev A handsets operating across PCS (1900MHz) and Cellular (800MHz) bands. IC Role / Device Role / Timing Role: Wideband detector interfacing with directional coupler output to monitor PA output pre-antenna switch. Use Value: 800–2000MHz flat response allows single detector part number across multi-band RF modules, simplifying BOM management. | Use Scenario: Factory calibration of RF front-end gain and linearity in space-constrained LTE/WCDMA combo modules. IC Role / Device Role / Timing Role: Reference detector used during production test to characterize PA gain compression and coupler coupling factor. Use Value: 1mm² UCSP package enables placement adjacent to coupler output without adding trace length or parasitic inductance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar RF power detection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADL5511ACPZ-R7 | Wider frequency range (up to 4GHz), higher supply current (12mA), no integrated shutdown control | Targets LTE-A and WiMAX systems beyond 2GHz; requires external enable circuitry | Choose when operating above 2GHz or needing higher dynamic range (−55dBm to +15dBm) |
| LT5537EMS#TRPBF | Lower detection range (−45dBm to −5dBm), slower response (400ns), operates down to 10MHz | Used in broadband instrumentation and low-power IoT transceivers requiring sub-100MHz support | Choose when ultra-low input power detection or wideband DC–2.5GHz coverage is required |
Compared with ADL5511ACPZ-R7 and LT5537EMS#TRPBF, the MAX2209AEBS+T offers optimal balance of size, speed, and temperature stability specifically for 3G/early 4G handset PA control-delivering 1mm² footprint, 140ns response, and ±0.5dB error without external compensation.
Availability
MAX2209AEBS+T is available at Aetrix Electronics and suitable for dual-band WCDMA handsets, HSDPA/HSUPA user equipment, and cdma2000 mobile terminals requiring stable component supply across automotive-grade temperature ranges and high-volume production cycles.
Supply support for MAX2209AEBS+T 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
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and RF ICs for industrial, communications, computing, and consumer applications-with emphasis on miniaturization, power efficiency, and signal integrity.
The MAX2209AEBS+T belongs to Maxim's RF power detector product line, engineered specifically for envelope-based transmit power monitoring in space-constrained 3G/4G cellular front-ends where accuracy, speed, and thermal stability are critical.
FAQ
What is the operating temperature range for the MAX2209AEBS+T?
The MAX2209AEBS+T is specified for continuous operation from -40°C to +85°C. Its detection error remains tightly bounded (±0.5dB at -5dBm input) across this full range due to repeatable thermal drift characteristics-enabling reliable use in handheld devices exposed to ambient and self-heating conditions. The junction temperature limit is +150°C, and storage range extends to -65°C to +160°C.
How does the RFIN/SHDN pin function on the MAX2209AEBS+T?
The RFIN/SHDN pin on the MAX2209AEBS+T serves two roles: it accepts AC-coupled RF input from a directional coupler, and accepts DC bias for shutdown control via an external 2kΩ resistor. When pulled below 0.45V, the device enters shutdown mode drawing ≤50µA. This dual functionality reduces pin count and PCB area versus discrete RF input and enable pins-confirmed in the MAX2209AEBS+T functional diagram and bump description.
What is the recommended output load for the MAX2209AEBS+T?
The MAX2209AEBS+T output drives a 1kΩ series resistor plus 10pF shunt capacitor per the typical application circuit. This RC network suppresses residual amplitude ripple without degrading the 140ns step response. The device sources up to 2.3mA and sinks up to 150µA, making it compatible with standard SAR ADC inputs. Loading beyond 10pF capacitance risks overshoot and extended settling time, as shown in MAX2209AEBS+T toc12.
Does the MAX2209AEBS+T require external temperature compensation?
No-the MAX2209AEBS+T does not require external temperature compensation. Its detection error versus temperature is highly repeatable across units, allowing effective correction using a single lookup table based on nominal behavior. After room-temperature calibration, residual error is ≤±0.5dB at -5dBm and ≤±1.5dB at -25dBm over -40°C to +85°C-verified across 58 units in production testing (MAX2209AEBS+T toc04–toc09).
What package type and RoHS status does the MAX2209AEBS+T have?
The MAX2209AEBS+T uses a 2mm × 2mm, 0.5mm pitch, 4-bump UCSP™ package with top mark "AGJ". The "+" suffix in the part number denotes lead(Pb)-free and RoHS-compliant construction. Thermal resistance is 335°C/W (junction-to-ambient), and the package supports standard reflow profiles with peak solder temperature up to +240°C-per Maxim Application Note 1891 on wafer-level packaging.
MAX2209AEBS+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Frequency:
- 800MHz ~ 2GHz
- RF Type:
- W-CDMA, HSPDA
- Input Range:
- -25dBm ~ -5dBm
- Accuracy:
- ±0.5dB
- Voltage - Supply:
- 2.7V ~ 5V
- Mounting Type:
- 3.9 mA
- Supplier Device Package:
- Surface Mount
- Current - Supply:
- 4-UCSP (0.97x0.97)
MAX2209AEBS+T FAQ
1.How can I place an order for MAX2209AEBS+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX2209AEBS+T 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 MAX2209AEBS+T reliable?
The price and inventory of MAX2209AEBS+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX2209AEBS+T is usually 5 days.
3.What payment methods are accepted for MAX2209AEBS+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX2209AEBS+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX2209AEBS+T?
MAX2209AEBS+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX2209AEBS+T 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 MAX2209AEBS+T?
For technical support, including MAX2209AEBS+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX2209AEBS+T requirements.
6.How does Aetrix verify that MAX2209AEBS+T is sourced from the original manufacturer or authorized distributors?
All MAX2209AEBS+T 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 MAX2209AEBS+T meets industry standards.
7.What is the process for return or replacement of MAX2209AEBS+T?
All MAX2209AEBS+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX2209AEBS+T, 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 MAX2209AEBS+T part is unused and in its original packaging.
Return procedure for MAX2209AEBS+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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