High-frequency Power Detection IC: TCX4A01WBG
This IC enables high-efficiency operation of a power amplifier and long battery use with its small circuit area.
Features
- Extracts a high-accuracy detection voltage from even a complex modulation signals using Root Mean Square (RMS) detection.
- Single-power operation in the 2.5 to 3.3 V range
- Low power consumption of 0.95 mW (typ.)
- Ultra-small package WCSP (0.79 mm × 0.79 mm × 0.5 mm)
- Small number of peripheral circuit parts
(the IC operates with only a coupling capacitor and a bypass capacitor)
Uses
- Mobile phone
high-frequency power detection (for UMTS, CDMA, WCDMA, and LTE)
Outline Drawing / Basic circuit diagram
- Outline Drawing
- Basic circuit diagram
Circuit Example
- Signal transmission section of mobile phone
Main Specifications
| Parameter | Symbol | Measurement conditions | Min | Typ. | Max | Unit |
|---|---|---|---|---|---|---|
| Operating current | ICC | No input signal | — | 0.34 | 0.5 | mA |
| Operating frequency | f | 700 | — | 2000 | MHz | |
| Error | ER | f=900MHz, Pin=-15 to 0dBm | -0.3 | — | +0.3 | dB |
| Dynamic range | DR | f=900MHz, Error ±1.0dB | — | 27 | — | dB |
| Conversion gain | GC | f=900MHz, Pin=-15 to 0dBm | 77 | 85 | 93 | mV/dB |
| Error temperature factor | KERROR | f=900MHz, Pin=-5dBm, Ta=-25 to +85°C | — | -0.003 | — | dB/°C |