BCM4356XKWBGT Datasheet, PDF (141/195 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac 2×2 MAC/ Baseband/Radio with Integrated Bluetooth 4.1, FM Receiver, and Wireless Charging

BCM4356 Advance Data Sheet
FM Receiver Specifications
Table 37: FM Receiver Specifications (Cont.)
Parameter
Conditions^a
Minimum Typical Maximum Units
Settling time
Search time
Single-frequency switch in any
–
150 –
µs
direction to a frequency within the
bands 88–108 MHz or 76–90 MHz.
Time measured to within 5 kHz of the
final frequency.
Total time for an automatic search to –
–
8
sec
sweep from 88–108 MHz or 76–
90 MHz (and reverse direction)
assuming no channels are found.
General Audio
Audio output level^g
–
–14.5
Maximum audio output –
–
level^h
Audio DAC output level^{g –}
72
Maximum DAC audio
–
–
output level^h
Audio DAC output level –
–1
differenceⁱ
Left and right AC mute
FM input signal fully muted with DAC 60
enabled
Left and right hard mute FM input signal fully muted with DAC 80
disabled
Soft mute attenuation and Muting is performed dynamically
–
start level
proportional to the FM wanted input
signal C/N. The muting characteristic is
fully programmable. Refer to “Audio
Features” on page 64 for further
details.
Maximum signal plus
–
–
noise-to-noise ratio
(S + N)/N, mono ⁱ
Maximum signal plus
–
–
noise-to-noise ratio
(S + N)/N, stereo^g
–
–12.5
–
0
–
88
333 –
–
1
–
–
–
–
–
–
69 –
64 –
dBFS
dBFS
mV rms
mV rms
dB
dB
dB
–
dB
dB
Total harmonic distortion, Vin = 66 dBµV EMF (2 mV EMF),
–
mono
∆f = 75 kHz, fmod = 400 Hz
∆f = 75 kHz, fmod = 1 kHz
–
∆f = 75 kHz, fmod = 3 kHz
–
∆f = 100 kHz, fmod = 1 kHz
–
Total harmonic distortion, Vin = 66 dBµV EMF (2 mV EMF)
–
stereo
∆f = 67.5 kHz, fmod = 1 kHz, ∆f
Pilot = 7.5 kHz, L = R
Audio spurious products^{i Range from 300 Hz to 15 kHz, with –}
respect to 1 kHz tone
–
0.8
%
–
0.8
%
–
0.8
%
–
1.0
%
1.5
%
–
–60
dBc
Broadcom^®
May 8, 2015 • 4356-DS103-R
BROADCOM CONFIDENTIAL
Page 140