參數(shù)資料
型號(hào): U2740B
英文描述: UHF AM/FM Transmitter
中文描述: 超高頻調(diào)幅/調(diào)頻發(fā)射機(jī)
文件頁數(shù): 4/10頁
文件大小: 264K
代理商: U2740B
U2740B
TELEFUNKEN Semiconductors
Rev. A3, 24-Feb-97
Preliminary Information
4 (10)
Absolute Maximum Ratings
Parameters
Symbol
V
S
Min.
–0.3
–0.3
Max.
5.5
10
0.75
1.5
1.5
125
125
Unit
V
V
mA
mA
mA
°
C
°
C
Supply voltage
Voltage at Pins 13 and 14
Input current AM_in
Output current lock detect
Output current XTO_out
Junction temperature
Storage temperature
Pin 12
Pin 16
Pin 4
Pin 10
T
j
T
stg
–55
Thermal Resistance
Parameters
Symbol
R
thJA
Min.
Typ.
Max.
120
Unit
K/W
Junction ambient
SO16
Operating Range
All voltages are referred to GND (Pin 5) and PAGND (Pin 15), T
amb
= –40 to +85 C, unless otherwise specified
Parameters
Symbol
V
S
V
S
Min.
2.4
2.2
Typ.
3.0
3.0
1.8
2.0
Max.
5.5
5.5
Unit
V
V
V
V
MHz
Supply voltage
Supply voltage, T
amb
= –20 to +85
°
C
Minimum supply voltage, T
amb
= 25
°
C
Minimum supply voltage, T
amb
= –20
°
C
Carrier frequency
Pin 12
200
500
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