19-0753; Rev 0; 4/07
ATION
EVALU
AVAILA
KIT
BLE
General Description
The MAX2204 RF power detector is designed to oper-
ate from 450MHz to 2.5GHz. The device is ideal for
wideband code-division multiple access (WCDMA),
cdma2000 ? , and high-speed downlink/uplink packet
access. The MAX2204 accepts an RF signal at the
input, and outputs a highly repeatable voltage. The out-
put voltage increases monotonically with increasing
input power. The device is designed to compensate for
temperature and process shifts, reducing the typical
output variation to less than ±0.5dB at full input power
and ±1.5dB at the lower power.
The MAX2204 features a detection range from -16dBm
to +5dBm. High input impedance allows for low-loss
resistive tap if an isolator is used. The device uses
external termination at the input so that the RF signal
from several directional couplers can be connected to
a single detector chip.
The MAX2204 operates from a 2.7V to 3.3V power
supply. The device is available in a tiny 5-pin SC70 pack-
age. Electrical performance is guaranteed over a -40°C to
RF Power Detector
Features
o -16dBm to +5dBm Detection Range
o ±0.3dB Detection Error Due to Temperature
o +2.7V to +3.3V Single-Supply Operation
o Easy-to-Assemble, Lead-Free, 5-Pin SC70
Package
Ordering Information
+85°C temperature range.
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
WCDMA, cdma2000
Applications
MAX2204EXK+ -40°C to +85°C
+Denotes a lead-free package.
5 SC70
X5+1
High-Speed Downlink Packet Access (HSDPA)
High-Speed Uplink Packet Access (HSUPA)
Pin Configuration
TOP VIEW
cdma2000 is a registered trademark of Telecommunications
+
Industry Association.
V CC
1
5
OUT
GND 2
MAX2204
RFIN 3
4
ENA
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
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