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參數(shù)資料
| 型號： | MAX2840EBC-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 衰減器 |
| 英文描述： | 5GHz Linear Power Amplifiers |
| 中文描述： | 5150 MHz - 5350 MHz RF/MICROWAVE NARROW BAND LOW POWER AMPLIFIER |
| 封裝： | 2 X 1.50 MM, UCSP-12 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 750K |
| 代理商： | MAX2840EBC-T |
M
5GHz Linear Power Amplifiers
_______________________________________________________________________________________
3
PARAMETER
CONDITIONS
MIN
TYP
1.8:1
1.9:1
MAX
UNITS
Input VSWR
Output VSWR
Nonharmonic Spurious Output
Power Ramp Turn-On Time
Power Ramp Turn-Off Time
-60
1.5
1.5
dBc
μs
μs
SHDN
from low to high (Note 8)
SHDN
from high to low (Note 8)
1
1
RF Output Detector Response
Time
External capacitor, C = 10pF
0.5
1.5
μs
P
OUT
= 15dBm (MAX2840)
P
OUT
= 18dBm (MAX2841)
P
OUT
= 12dBm (MAX2840)
P
OUT
= 15dBm (MAX2841)
P
OUT
= 5dBm (MAX2840)
P
OUT
= 5dBm (MAX2841)
1.1
1.2
1
1
0.7
0.7
±1
6
RF Output Detector Voltage
Range
Load >100k
(Note 7)
V
RF Output Detector Accuracy
RF Output Detector Slope
When output detector voltage = 1.2V
At maximum output power
dB
dB/V
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2840/MAX2841 EV kits, V
CC
= +2.7V to +3.6V, GND = 0V,
SHDN
= V
CC
, V
DAC
= 1.6V (MAX2840), V
DAC
= 1.9V (MAX2841),
T
A
= +25°C. Typical values are measured at V
CC
= +3.3V, f
RF
= 5.25GHz, unless otherwise noted.) (Note 3)
Note 1:
Specifications over temperature range are guaranteed by design. Production tests are performed at T
A
= +85°C.
Note 2:
5.25GHz 64-QAM modulated OFDM signal is applied at RF input port.
Note 3:
Min and max values are guaranteed by design and characterization.
Note 4:
Operation outside of this frequency range is possible but not guaranteed.
Note 5:
Specifications are corrected for board losses on the EV kits (0.3dB at the input, 0.3dB at the output).
Note 6:
RF input signal is following IEEE 802.11a standards.
Note 7:
Specifications are corrected for board losses on the EV kits (0.3dB at the output).
Note 8:
The total turn-on/settling time required for PA output power is within 0.5dB range of the final value.
Typical Operating Characteristics
(MAX2840/MAX2841 EV kits, V
CC
= +2.7V to +3.6V, GND = 0V,
SHDN
= V
CC
, V
DAC
= 1.6V (MAX2840), V
DAC
= 1.9V (MAX2841),
T
A
= +25°C. Typical values are measured at V
CC
= +3.3V, f
RF
= 5.25GHz, unless otherwise noted.) (Note 2)
M
SUPPLY VOLTAGE (V)
S
3.3
3.0
120
140
160
180
100
2.7
3.6
MAX2840
SUPPLY CURRENT vs. SUPPLY VOLTAGE
P
IN
= -8.9dBm
M
SUPPLY VOLTAGE (V)
S
μ
A
3.3
3.0
0.05
0.10
0.15
0.20
0.25
0.30
0
2.7
3.6
MAX2840
SHUTDOWN CURRENT vs. SUPPLY VOLTAGE
T
A
=
+25
°
C
T
A
=
-40
°
C
T
A
= +85
°
C
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