Analog Devices Inc. LTC5536ES6#TRMPBF
- Part No.:
- LTC5536ES6#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Detectors
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
LTC5536ES6#TRMPBF.pdf
- Description:
- IC RF DETECT 600MHZ-7GHZ TSOT23
- Quantity:
- Payment:

- Shipping:

Inventory:1,640
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LTC5536ES6#TRMPBF from Analog Devices (formerly Linear Technology) is a precision RF power detector IC with integrated temperature-compensated Schottky diode and fast comparator, operating from 600MHz to 7GHz. It delivers rail-to-rail output swing, 25ns response time at 0dBm input, ±20mA output drive, and operates from 2.7V–5.5V supply-ideal for RF presence detection in 802.11a/b/g/n infrastructure and optical data links.
For engineers reviewing the LTC5536ES6#TRMPBF datasheet, LTC5536ES6#TRMPBF pinout, LTC5536ES6#TRMPBF application, or LTC5536ES6#TRMPBF equivalent, key selection criteria include its wide RF bandwidth (600MHz–7GHz), –26dBm to +12dBm input dynamic range, 20ns minimum propagation delay, latch-enable comparator functionality, and SOT-23-6 package compatibility with space-constrained RF front-end designs.
Technical Context
The LTC5536ES6#TRMPBF integrates an on-chip Schottky diode peak detector biased at ~55µA, driving a 15pF internal capacitor, followed by a level-shift amplifier and high-speed comparator with 10mV hysteresis. Its VM pin serves as the comparator's negative reference input, while LEN enables latched or transparent output behavior.
Propagation delay is characterized from RFIN to VOUT under modulated RF conditions: rising-edge delay drops to 20ns at strong overdrive (e.g., 0dBm), while falling-edge delay is slower due to positive-peak detector architecture. Input impedance varies with frequency and power level-e.g., 152.9Ω / –116.2Ω reactance at 0.6GHz (–25dBm).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Frequency Range | 600MHz to 7GHz - supports full Wi-Fi bands (2.4GHz/5GHz), cellular backhaul, and wireless infrastructure without external tuning. |
| Input Power Range | –26dBm to +12dBm - enables detection across weak signal alarms and moderate-power RF presence monitoring. |
| Response Time | 20ns (min, at 0dBm) - allows real-time RF activity detection in burst-mode systems like TDMA or packet-based radios. |
| VOUT Drive Capability | ±20mA - directly drives logic inputs, LEDs, or small-signal loads without external buffers. |
| Supply Voltage Range | 2.7V to 5.5V - compatible with single-cell Li-ion (3.0–4.2V) and 3.3V/5V system rails. |
| Operating Current | 2.1mA (typ) - enables low-power always-on monitoring in battery-operated sensors and IoT nodes. |
| Comparator Hysteresis | ~10mV - prevents chatter near switching threshold in noisy RF environments. |
Pinout & Package
Package: TSOT-23-6 (S6), 1mm height, JEDEC MO-193 compliant, footprint compatible with standard SOT-23 layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RFIN (Pin 1) | RF Input | AC-coupled 600MHz–7GHz input referenced to VCC; includes internal 500Ω termination and Schottky detector. |
| GND (Pin 2) | Ground Reference | Low-impedance return path for detector bias and comparator operation; requires solid ground plane. |
| VM (Pin 3) | Comparator Reference Input | Negative input of comparator; sets detection threshold; low input current (±0.5µA) enables high-impedance voltage divider use. |
| LEN (Pin 4) | Latch Enable Control | High = latched output (memory of last RF event); low = transparent mode (real-time comparison). |
| VOUT (Pin 5) | Comparator Output | Rail-to-rail CMOS-compatible output; 2ns rise/fall time (unloaded); ±20mA drive capability. |
| VCC (Pin 6) | Power Supply | 2.7V–5.5V supply; requires local bypassing (100pF + 0.1µF ceramics) adjacent to pin. |
Key Features
| Feature | Design Value |
|---|---|
| Temperature-compensated Schottky detector | Stable switching voltage vs. temperature across –40°C to 85°C, eliminating external calibration in field-deployed equipment. |
| Fast comparator with latch enable | Configurable memory function allows persistent alarm indication without continuous host polling-reducing MCU wake-up overhead. |
| Wideband RF input impedance control | Internal 500Ω termination and optimized layout minimize matching network complexity across 600MHz–7GHz. |
| Rail-to-rail output swing | Full VCC–GND logic swing ensures reliable interfacing with 1.8V/3.3V/5V digital receivers without level-shifting. |
| Low quiescent current | 2.1mA typical draw enables multi-year battery life in remote RF sensor nodes using coin-cell or Li-SOCl₂ batteries. |
Applications
| Wi-Fi RF Presence Detection | Optical Data Link Monitor |
|---|---|
Use Scenario: Detecting active 802.11ac/ax transmissions in access point co-location or spectrum sensing applications. IC Role / Device Role / Timing Role: RF detector and fast comparator generating TTL-level alert on RF energy exceeding configurable VM threshold. Use Value: Enables dynamic channel selection and interference avoidance with sub-30ns latency-critical for real-time spectrum management. | Use Scenario: Monitoring integrity of fiber-optic receiver output converted to RF via photodiode and amplifier. IC Role / Device Role / Timing Role: Envelope detector converting modulated RF signal into DC-level trigger for link health status. Use Value: Provides deterministic fault detection within 25ns of signal loss-supporting <100µs failover in telecom line cards. |
| Wireless Infrastructure Alarm | RF ID Tag Reader Signal Validation |
Use Scenario: Triggering maintenance alerts when uplink RF power falls below operational threshold in small-cell base stations. IC Role / Device Role / Timing Role: Precision power detector comparing received signal strength against factory-trimmed VM reference. Use Value: Delivers ±1.5dB accuracy over temperature, reducing false alarms and enabling predictive maintenance scheduling. | Use Scenario: Validating successful RF burst transmission during UHF RFID reader handshake sequences. IC Role / Device Role / Timing Role: Fast-response detector confirming 900MHz–930MHz tag reply pulse presence before protocol timeout. Use Value: 20ns response ensures reliable detection of short-duration (≤100ns) tag replies-improving read reliability in dense tag environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar RF power detection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC5508ESC#TRMPBF | Same 300MHz–7GHz range but wider input range (–32dBm to +12dBm); SC70-6 package; no latch enable; higher 3.5mA supply current. | Lacks LEN-controlled latching; better for wide-dynamic-range measurement than event-triggered alarm. | Select LTC5508 when absolute power measurement accuracy > latch functionality, and SC70 footprint is acceptable. |
| LTC5535ESC#TRMPBF | Includes integrated 12MHz op-amp buffer on VOUT; same RF range and latch feature; 3.2mA supply current; SC70-6 package. | Provides amplified/filtered output for analog processing; not optimized for direct digital interface. | Choose LTC5535 only if post-detection amplification or filtering is required prior to ADC or analog comparator stages. |
Compared with LTC5536ES6#TRMPBF, LTC5508 offers broader dynamic range but no latching, while LTC5535 adds signal conditioning at the cost of higher current and larger die area-making LTC5536ES6#TRMPBF optimal for compact, low-power, latch-driven RF alarm systems.
Availability
LTC5536ES6#TRMPBF is available at Aetrix Electronics and suitable for Wi-Fi infrastructure, optical transceiver monitoring, and wireless small-cell base station applications requiring stable component supply, consistent parametric performance, and long-term manufacturability.
Supply support for LTC5536ES6#TRMPBF 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
Analog Devices acquired Linear Technology in 2017 and maintains its high-performance signal chain portfolio, emphasizing precision analog, RF, and power management ICs for demanding industrial and communications applications.
The LTC5536ES6#TRMPBF belongs to Linear's RF power detector family, designed specifically for high-speed RF presence detection and alarm generation in wireless infrastructure, where nanosecond response, wide frequency coverage, and latch-enabled event capture are critical.
FAQ
What is the minimum detectable RF input power for LTC5536ES6#TRMPBF?
The LTC5536ES6#TRMPBF specifies a lower input limit of –26dBm across its 600MHz–7GHz range. At this level, VM switching voltage remains measurable (e.g., ~400mV at 600MHz), though signal-to-noise ratio degrades. For reliable alarm triggering, design margin recommends operation ≥ –22dBm under typical conditions.
Does LTC5536ES6#TRMPBF require external RF matching components?
No. The LTC5536ES6#TRMPBF integrates a 500Ω internal termination at RFIN and exhibits usable input impedance (e.g., 153Ω resistive at 600MHz) without external matching. A series AC-coupling capacitor (e.g., 100pF) is required, but baluns, transformers, or pi-networks are unnecessary for most 50Ω source applications.
How does the LEN pin affect the output behavior of LTC5536ES6#TRMPBF?
When LEN is high, the LTC5536ES6#TRMPBF latches VOUT high upon first RF detection and holds that state until LEN goes low or power cycles. When LEN is low, VOUT responds transparently-transitioning high/low in real time as RF input crosses the VM threshold. This dual-mode operation supports both event logging and continuous monitoring.
Can LTC5536ES6#TRMPBF operate from a 1.8V supply?
No. The LTC5536ES6#TRMPBF has a specified VCC range of 2.7V to 5.5V. Operation below 2.7V violates Absolute Maximum Ratings and causes undefined comparator behavior, degraded sensitivity, and potential failure to meet datasheet timing specs. For 1.8V systems, consider LTC5535ESC#TRMPBF with level-shifting interface.
What is the thermal resistance (θJA) of the LTC5536ES6#TRMPBF in its TSOT-23-6 package?
The datasheet specifies θJA = 250°C/W for the LTC5536ES6#TRMPBF in the S6 (TSOT-23-6) package. With a maximum junction temperature of 125°C and ambient of 85°C, this limits continuous power dissipation to ~280mW. PCB layout with 1–2 cm² copper pour under the exposed pad (if present) or adjacent GND traces significantly improves thermal performance.
LTC5536ES6#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Frequency:
- 600MHz ~ 7GHz
- RF Type:
- 802.11a/b/g/WiFi, Wireless Modem, WLAN
- Input Range:
- -16dBm ~ 12dBm
- Accuracy:
- -
- Voltage - Supply:
- 2.7V ~ 5.5V
- Mounting Type:
- 2.1 mA
- Supplier Device Package:
- Surface Mount
- Current - Supply:
- TSOT-23-6
LTC5536ES6#TRMPBF FAQ
1.How can I place an order for LTC5536ES6#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC5536ES6#TRMPBF 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 LTC5536ES6#TRMPBF reliable?
The price and inventory of LTC5536ES6#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC5536ES6#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC5536ES6#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC5536ES6#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC5536ES6#TRMPBF?
LTC5536ES6#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC5536ES6#TRMPBF 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 LTC5536ES6#TRMPBF?
For technical support, including LTC5536ES6#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC5536ES6#TRMPBF requirements.
6.How does Aetrix verify that LTC5536ES6#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC5536ES6#TRMPBF 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 LTC5536ES6#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC5536ES6#TRMPBF?
All LTC5536ES6#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC5536ES6#TRMPBF, 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 LTC5536ES6#TRMPBF part is unused and in its original packaging.
Return procedure for LTC5536ES6#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LTC5536ES6#TRMPBF Tags

-
LMH2110TMX/NOPB
Texas Instruments

-
MAX2204EXK+T
Analog Devices Inc./Maxim Integrated

-
LMV221SD/NOPB
Texas Instruments

-
LTC5505-2ES5#TRMPBF
Analog Devices Inc.

-
LTC5505-1ES5#TRMPBF
Analog Devices Inc.

-
AD8314ACPZ-RL7
Analog Devices Inc.

-
ADL5506ACBZ-R7
Analog Devices Inc.

-
AD8312ACBZ-P7
Analog Devices Inc.

-
MAX4003EUA+T
Analog Devices Inc./Maxim Integrated

-
LTC5530ES6#TRMPBF
Analog Devices Inc.

-
LTC5507ES6#TRMPBF
Analog Devices Inc.

-
LTC5507ES6#TRPBF
Analog Devices Inc.
Tech Hub
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…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
