Characteristics in M/N mode (switching input pin 2 connected to input pin 1 )
Source impedance
Load impedance
Item
Insertion attenuation
Reference level
Zs=50Ω
Z
L
=2kΩ//3pF
Freq
37.40MHz
min
14.5
4.9
1.1
22.0
35.0
40.0
33.0
30.0
40.0
Typ
16.5
6.4
2.6
35.0
42.0
47.0
41.0
37.0
50.0
max
18.5
7.9
4.1
-
-
-
T
A
=25℃
dB
dB
dB
dB
dB
dB
dB
dB
dB
38.90MHz
35.32MHz
Relative attenuation
34.40MHz
32.90MHz
40.40MHz
25.00~32.90MHz
Sidelobe
39.50~45.00MHz
Reflected wave signal suppression
1.2 us … 6.0 us after main pulse
(test pulse 250 ns ,
carrier frequency 37.40 MHz)
Feedthrough signal suppression
1.2 us … 6.0 us after main pulse
(test pulse 250 ns ,
carrier frequency 37.40 MHz)
Temperature coefficient
-
48.0
-72
dB
ppm/k
2.3 Environmental Performance Characteristics
Item Test condition
Allowable change of absolute
Level at center frequency(dB)
High temperature test
< 1.0
70℃ 1000H
Low temperature test
< 1.0
-40℃ 1000H
Humidity test
< 1.0
40℃ 90-95% 1000H
Thermal shock
< 1.0
-20℃==25℃==80℃ 20 cycle
30M
10M
30M
Solder temperature test
< 1.0
Sold temp.260℃ for 10 sec.
Soldering
More then 95% of total
Immerse the pins melt solder
area of the pins should
be covered with solder
at 260℃+5/-0℃ for 5 sec.
2.4 Mechanical Test
Item
Test condition
Vibration test
Allowable change of absolute
Level at center frequency(dB)
<1.0
3
HOPERF [ Hope Microelectronics co., Ltd ]
