ADL5904 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADL5904
Manufacturer

ADI
ChipWorker Part#

CW1205229681
Description

DC to 6GHz, 45dB TruPwr Detector with Envelope Threshold Detection
Documentation

Datasheet

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ADL5904 Specifications

Attribute	Attribute Value

Part Number	ADL5904
Manufacturer	ADI
ChipWorker Part#	CW1205229681
Documentation	Datasheet
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Product Lifecycle Status	Recommended for New Designs

Product Description

Product Details
The ADL5904 is a dual-function radio frequency (RF) TruPwr™ detector that operates from dc to 6 GHz. It provides rms power measurement along with a programmable envelope threshold detection function.
The rms power measurement function has a 45 dB detection range, nominally from −30 dBm to +15 dBm. The rms power measurement function features low power consumption and an intrinsically ripple free error transfer function.
The envelope threshold detection function compares the voltage from an internal envelope detector with a user defined input voltage. When the voltage from the envelope detector exceeds the user defined threshold voltage, an internal comparator captures and latches the event to a set/reset (SR) flip flop. The response time from the RF input signal exceeding the user programmed threshold to the output latching is 12 ns. The latched event is held on the flip-flop until a reset pulse is applied.
The RF input of the ADL5904 is dc-coupled, allowing operation down to arbitrarily low ac frequencies. It operates on a 3.3 V supply and consumes 3.5 mA. A disable mode reduces this current to 100 μA when a logic low is applied to the ENBL pin.
The ADL5904 is supplied in a 3 mm × 3 mm, 16-lead LFCSP for operation over the wide temperature range of −40°C to +105°C.
**Applications**
Transmitter signal strength indication (TSSI)
Wireless power amplifier input and output protection
Wireless receiver input protection
### Features and Benefits
RMS and envelope threshold detection
Broad input frequency range: dc to 6 GHz
RF input range: 45 dB (−30 dBm to +15 dBm)
RMS linear in decibel output, scaled 36.5 mV/dB
Input envelope threshold detection and latching
Programmable threshold and latch reset function
Fast response time: 12 ns from RFIN to Q/Q latch
All functions temperature and supply stable
Operates at 3.3 V from −40°C to +105°C
Low power: 3.5 mA
Power-down capability to 100 μA
16-lead, 3 mm × 3 mm LFCSP package

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