SA2411 Datasheet, PDF (7/17 Pages) NXP Semiconductors – +20 dBm single chip linear amplifier for WLAN

Philips Semiconductors
+20 dBm single chip linear amplifier for WLAN
Product data
SA2411
9. OPERATING CONDITIONS
The SA2411 shall meet all of the operating conditions outlined in this section. Table 3 specifies the absolute maximum ratings for the device.
Table 4 gives the recommended operating conditions.
Table 3. Absolute maximum ratings
Symbol
T_stg
V_DDa
–
–
Parameter
Storage temperature
Supply voltage (analog)
Voltage applied to inputs
Short circuit duration, to GND or V_DD
Min
Max
Unit
–55
+150
°C
–0.5
+3.85
V
–0.5
V_DD+0.5
V
–
1
sec
Table 4. Recommended operating conditions
Symbol
Parameter
T_amb
V_DDa
Ambient operating temperature
Supply voltage (analog)
Min
Nom
Max
Units
–40
–
+85
°C
2.85
3.3
3.6
V
10. SA2411 TRANSMITTER REQUIREMENTS
Table 5. SA2411 transmitter specifications
T_amb = 25 °C; V_CC = 3 V; frequency = 2.45 GHz, R_detector = 5.6 kΩ, unless otherwise stated.
Specification
Condition, Remarks
DC
DC current
Standard mode (pin 10 is floating)
DC current
Low output power mode (pin 10 is grounded)
Leakage current
Vpwrup = 0 V. Vss = 3.0 V
AC : 802.11b MODULATION
Output back off
(relative to 1 dB compression of single carrier)
RF frequency
Input impedance
Differential (75 Ω + 25j Ω)
Load impedance
Single ended
Min Nom Max
Units
–
35
–
mA
–
28
–
mA
–
–
10
µA
–
2
–
2.4
2.45 2.5
–
100 –
–
50
–
dB
GHz
Ω
Ω
Power gain for small signal
Power gain for small signal
Mode = High gain, Input level = –20 dBm
Mode = Low gain, Input level = –20 dBm
–
14.5 –
dB
–
13
–
dB
Output power
Current consumption
Gain
Output power
Current consumption
Gain
Meeting the FCC specs of 30 dBc and 50 dBc, mode = high –
“
–
“
–
Meeting the FCC specs of 30 dBc and 50 dBc, mode = low
–
“
–
“
–
+20.0 –
200 –
12.5 –
+20.0 –
200 –
12.5 –
dBm
mA
dB
dBm
mA
dB
Power ramping up time
Power ramping down (when
enabled)
Error Vector Magnitude
Isolation
Harmonic Suppression at 2 and 3
times fundamental frequency
10% to 90% ramp up
a) 90% to 10% ramp down
b) 10% to carrier leakage level
11 Msymbols/s QPSK. Both RF outputs.
Pin 15 (PWRUP) = 0 V
fundamental frequency output power = +20 dBm
–
0.5
–
µs
–
0.5
–
µs
0.5
–
5
–
%
–
15
–
dB
–
40
–
dBc
2003 Feb 07
7