Philips Semiconductors
Product data
SA2411
+20 dBm single chip linear amplifier for WLAN
2
2003 Feb 07
1. DESCRIPTION
The SA2411 is a linear power amplifier designed for WLAN application in the 2.4 GHz band. Together with the SA2400A the chips form a
complete 802.11b transceiver. The SA2411 is a Si power amplifier with integrated matching and power level detector.
2. FEATURES
•
75
Ω
+ 25j
Ω
differential inputs, internally matched
•
50
Ω
single-ended output, internally matched
•
15 dB gain block
•
Power detector
•
Bias adjust pin
•
18% efficiency at 3 V
•
RF matching for SA2400A
3. APPLICATIONS
•
IEEE 802.11 and 802.11b radios
•
Supports DSSS and CCK modulation
•
Supports data rates: 1, 2, 5.5, and 11 Mbps
•
2.45 GHz ISM band wireless communication devices
Table 1. Ordering information
TYPE NUMBER
PACKAGE
TYPE NUMBER
NAME
DESCRIPTION
VERSION
SA2411DH
TSSOP16
plastic thin shrink small outline package; 16 leads; body width 4.4 mm
SOT403-1
4. BLOCK DIAGRAM
SR02383
IN+
IN–
PA
OUTPUT
MATCH
ANT
DETECTOR
INPUT
MATCH
SA2411
V
DD
_DRIVER
V
DD
_BIAS
V
DD
_MAIN
Power-up power mode
Figure 1.
Block diagram
