LA1650 Просмотр технического описания (PDF) - SANYO -> Panasonic
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LA1650 Datasheet PDF : 14 Pages
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LA1650, 1650C
Pin Functions (VCC = 1.5 V)
Pin No.
Function
No-signal voltage (V)
Notes
1
Amplifier (1) input
The input impedance, Zi, is
450 kΩ.
1.5
Connect the antenna coil
between pins 1 and 4.
Recommended coil: ACL-80
(Sumida Electronics)
Equivalent circuit
4
1
A12759
2
AGC (1) input
3
AGC (2) input
4
VCC
5
PON
6
Amplifier (1) output
7
The AGC operating speed is
3
0.6
determined by the capacitor
0.6
connected between pin 3 and
2
ground.
17
1.5
4
This LA1650 operates normally
5
with pin 5 at VCC. The device
1.5
goes to standby mode (ICC ≤ 1
µA) when this pin is pulled to
ground.
17
Connect the crystal oscillator
elements between pins 6 and 8,
and pins 7 and 9.
0.7
Recommended element: VTC-
200 (Seiko Instruments)
6
40 kHz, 12.5 pF
17
A12760
18
A12761
7
A12762
8
Amplifier (2) input
9
0.8
RIN = 20 kΩ
RIN
8
17
RIN
9
A12763
Continued on next page.
No. 6310-6/14
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