M52334FP
Pin 10 (LIMITER IN)
Terminal voltage: 2.2 V
10
Bias
2 k
2 k
The input impedance is 2 kΩ.
Pin 11 (AUDIO OUT)
The FM detector can respond to the 4.5 MHz intercarrier
signal without an adjustment and external components by
adopting the PLL technique.
11
The output DC voltages of 4.4 VO-P and 2.4 VO-P are in the
CC of 9 V and 5 V, respectively.
V
Since its output frequency is more than 100 kHz in no loading
condition, it can also respond to the multi audio broadcasting.
Internal driving current: 1 mA
Pin 12 (NFB)
The frequency response of the audio output is set by the
external capacitor of pin 12.
Terminal voltage: 3.0 V
12
(Pin 11 output)
In the case of 0.1 µF, the cut-off frequency is 35 Hz.
50 k
50 k
(FM mod. frequency)
100 kHz
Connecting series resistor to the capacitor above, can reduce
an audio output amplitude.
Pin 13 (IF AGC FILTER)
In spite of the 1-pin filter configuration, 2-pin filter
characteristics are available by utilizing the dynamic AGC
circuit.
VCC
(V13)
13
1 k
weak
electric field
strong
electric field
0
(IF input)
Rev.2.00 Jun 14, 2006 page 15 of 18
RENESAS [ RENESAS TECHNOLOGY CORP ]
