AN8946SB Datasheet (Panasonic Semiconductor)

AN8946SB, FM demodulation

Pin No.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 Description Key pulse input AFC output L AFC output H VCC2 (VCO, AFC system) VCO1 GND3 (VCO system) VCO2 GND2 (Main) Loop amp.

output Video amp.

input Video amp.

output Free-run frequency adjustment Loop amp.

input 1 Loop amp.

input 2 Pin No.

15 16 17 18 19

AN8946SB Features

* PLL

* FM demodulation, 2nd IF AGC amp., AGC detection and AFC (applicable to both mean value and keyed types). 1 28 0.3±0.1 Unit : mm s Features

* 5 V single power source

* Low power dissipation (typ. 170 mW)

* S/N 65 dB or more

* Inter-modulation interference r