BCM4330 Preliminary Data Sheet
FM Receiver Specifications
Table 32: FM Receiver Specifications (Cont.)
Conditions Minimum Typical Maximum Units
Parameter
PLL
Frequency step
Settling time
Channel offset
10
–
–
–
5
kHz
µs
Single frequency switch in any direction to –
a frequency within the bands 88–108 MHz
or 76–90 MHz. Time measured to within
5 kHz of the final frequency.
Sweep time
Total time for an automatic search to
sweep from 88–108 MHz or 76–90 MHz
(and reverse direction) assuming no
channels found.
–
–
8
sec
Soft Mute
Soft mute start level
Soft mute attenuation Vin = 1 µV,
Mute attenuation = 3 dB
3
–
–
30
10
–
µV
dB
Δf = 22.5 kHz,
L = R fmod = 1 kHz,
BAF = 300 Hz to 15 kHz,
Deemphasis = 75 µs
General Audio
Audio output level
Vin = 1 mV,
60
–
75
–
90
mV rms
mV rms
dB
Δf = 22.5 kHz,
fmod = 1 kHz,
L = R,
Deemphasis = 75 µs,
Δf Pilot = 6.5 kHz,
Rload >20 kΩ
Maximum audio output Vin = 1 mV,
level
333
–1
Δf = 100 kHz,
fmod = 1 kHz,
L = R,
Deemphasis = 75 µs,
Δf Pilot = 6.5 kHz,
Rload >20 kΩ
Audio output level
difference
Vin = 1 mV,
–1
–
Δf = 22.5 kHz,
fmod = 1 kHz,
L = R,
Deemphasis = 75 µs,
Rload >20 kΩ
Maximum signal plus
noise-to-noise ratio
(S+N)/N, mono
Maximum signal plus
noise-to-noise ratio
(S+N)/N, stereo
Vin = 1 mV,
–
–
60
56
–
–
dB
dB
Δf = 22.5 kHz,
fmod = 1 kHz,
L = R,
Deemphasis = 50 µs,
BAF = 300 Hz to 15 kHz (A-Weighted)
®
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BCM4330 Preliminary Data Sheet
April 28, 2011 • 4330-DS304-RI
Page 130
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