LA7780M データシートの表示（PDF） - SANYO -> Panasonic
部品番号
コンポーネント説明
メーカー
LA7780M Datasheet PDF : 9 Pages
| |||
LA7780M
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating supply voltage range
Symbol
VCC
VCC op
Pins 5, 6, and 17
Pins 5, 6, and 17
Conditions
Ratings
Unit
5.0
V
4.5 to 5.5
V
AC Characteristics at Ta = 25°C, VCC = 5.0 V, internal AGC mode, Pin 24 is left open.
Parameter
Circuit current
RF input frequency range
IF output level
IF output IM3
IF output frequency bandwidth
Local oscillator frequency range
AGC amplifier input sensitivity
AGC range
AGC flatness
Preamplifier gain
Maximum preamplifier output level
Oscillator output level
Symbol
Conditions
Itotal
f(in)
VO(IF)
VO(IM3)
BW
Pins 4, 5, 6, and 17: no signal
Pins 1, 8, and 9
Pin 13: *1
Pin 13: *2
Pin 13: *3
f(LO) Pins 18, 19, 20, and 21
Vin(RF2) Pins 8 and 9: *4
GR Pin 13: IF output level < ±1 dB
Pin 13: Compare with the state when
∆VO(IF) Vin (RF2) = 30 dBmV
G(RF1)
VOmax
VO(OSC)
Pin 4: *5
Pin 4: *6
Pin 23: The pin 23 frequency is 1/2 that of
the local oscillator
min
64
30
1.6
40
15
30
–25
60
–1
17
50
500
Ratings
typ
80
2.0
–21
80
0
19
800
max
95
150
2.5
200
–17
Unit
mA
MHz
Vp-p
dB
MHz
MHz
dBmV
dB
+1
dB
21
dB
dBmV
1000 mVp-p
Operating Modes
Mode
Internal AGC
External AGC
(Narrow control range: 3 to 5 V)
External AGC
(Wide control range: 0 to 5 V)
Pin 10
GND
GND
(AGC divider inactive)
Open
(AGC divider active)
Pin 11
With a capacitor between
pin 11 and ground
With a capacitor between
pin 11 and ground
With a capacitor between
pin 11 and ground
Pin 12
Connected to pin 11
External AGC voltage supply
Pin 12 = high impedance
External AGC voltage supply
Pin 12 = low impedance (14 kΩ)
Internal AGC
External AGC
Note: In internal AGC mode, the IF output level can be adjusted by varying the pin 24 DC voltage.
Caution:
Note 1.
Input: SG = 69.55 MHz, 20 dBm V
Other conditions:
Internal AGC mode
Pin 24 left open.
Output: The post amplifier output (pin 13) at 5 MHz
Transfer ratio = 1 : 1
No. 5268-2/9
Share Link: 