Datasheet Analog Devices ADL5904 — 数据表

DC to 6 GHz, 45 dB TruPwr
Detector with Envelope Threshold Detection ADL5904 Data Sheet
FEATURES FUNCTIONAL BLOCK DIAGRAM
VPOS ENBL 5 4 7 VIN– RST 16 15 ADL5904
– R Q 12 Q S Q 13 Q 10 VRMS + RFIN ENVELOPE
DETECTOR 1 RMS 11 3 9 4 GND VCAL CRMS DECL 2 6 DNC 8 13838-001 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 Figure 1. APPLICATIONS
Transmitter signal strength indication (TSSI)
Wireless power amplifier input and output protection
Wireless receiver input protection GENERAL DESCRIPTION
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 …