參數(shù)資料
型號(hào)： LTC4400-2
廠商： Linear Technology Corporation
英文描述： RF Power Controllers with 450kHz Loop BW and 45dB Dynamic Range
中文描述： 射頻功率控制器與450kHz環(huán)路帶寬和45dB的動(dòng)態(tài)范圍
文件頁(yè)數(shù)： 3/16頁(yè)
文件大?。?/td> 186K
代理商： LTC4400-2
3
LTC4400-1/LTC4400-2
sn4400 4400fas
TYPICAL PERFOR U
LTC4400-1 Detector Characteristics
at 900MHz
LTC4400-1 Detector Characteristics
at 1800MHz
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
Specifications over the –40
°
C to 85
°
C operating temperature range
are assured by design, characterization and correlation with statistical
process controls.
Note 3:
Slew rate is measured open loop. The slew time at V
PCA/B
is
measured between 1V and 2V.
Note 4:
Maximum DAC zero-scale offset voltage that can be applied to PCTL.
Note 5:
This is the time from SHDN rising edge 50% switch point to
V
PCA
= 0.25V.
Note 6:
Guaranteed by design. This parameter is not production tested.
Note 7:
Includes maximum DAC offset voltage and maximum control
voltage.
Note 8:
Bandwidth is calculated using the 10% to 90% rise time:
BW = 0.35/rise time
Note 9:
Measured 12
μ
s after SHDN = HI.
RF INPUT POWER (dBm)
10
P
100
1000
10000
–28
–10
2
8
1
–22
–4
14
–16
4401 G01
75
°
C
25
°
C
–30
°
C
RF INPUT POWER (dBm)
10
P
100
1000
10000
–26
–14
–8
–2
4
10
16
1
–20
4401 G02
75
°
C
25
°
C
–30
°
C
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 3.6V, SHDN = HI, unless otherwise noted.
PARAMETER
RF Input Frequency Range
CONDITIONS
LTC4400-1(Note 6)
LTC4400-2(Note 6)
RF Frequency = 900MHz (Note 6)
RF Frequency = 1800MHz (Note 6)
RF Frequency = 2400MHz (Note 6)
RF Frequency = 2700MHz (Note 6)
RF Frequency = 900MHz (Note 6)
RF Frequency = 2000MHz (Note 6)
Referenced to V
CC
MIN
300
300
–28
–26
–24
–22
–28
–26
150
TYP
MAX
2700
2000
18
18
16
16
18
18
350
UNITS
MHz
MHz
dBm
dBm
dBm
dBm
dBm
dBm
RF Input Power Range
(LTC4400-1)
RF Input Power Range
(LTC4400-2)
RF Input Resistance
G
250
The
G
denotes specifications which apply over the full operating
LTC4400-1 Detector Characteristics
at 2400MHz
RF INPUT POWER (dBm)
10
P
100
1000
10000
–24
–12 –8 –4
4
0
8
12 16
1
–20 –16
4401 G03
75
°
C
25
°
C
–30
°
C
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