Si4731-A-EVB Silicon Laboratories Inc, Si4731-A-EVB Datasheet - Page 11

• Manufacturer Part Number: Si4731-A-EVB
• Description: WiFi / 802.11 Modules & Development Tools Si4731 Eval Board
• Manufacturer: Silicon Laboratories Inc

Specifications of Si4731-A-EVB

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 8. FM Receiver Characteristics
(V
Parameter
Input Frequency
Sensitivity with Headphone
Network
Sensitivity with 50 Ω Network
RDS Sensitivity
LNA Input Resistance
LNA Input Capacitance
Input IP3
AM Suppression
Adjacent Channel Selectivity
Alternate Channel Selectivity
Spurious Response Rejection
Audio Output Voltage
Audio Output L/R Imbalance
Audio Band Limits
Audio Stereo Separation
Audio Mono S/N
Audio Stereo S/N
Audio THD
De-emphasis Time Constant
Audio Common Mode Voltage
Audio Output Load Resistance
Audio Output Load Capacitance
Notes:
DD
1. Additional testing information is available in Application Note AN234. Volume = maximum for all tests. Tested at
2. To ensure proper operation and receiver performance, follow the guidelines in “AN384: Si4730/31 AM/FM Receiver
3. F
4. Δf = 22.5 kHz.
5. B
6. V
7. Guaranteed by characterization.
8. |f
9. Δf = 75 kHz.
10. At LOUT and ROUT pins.
= 2.7 to 5.5 V, VIO = 1.5 to 3.6 V, T
Rf = 100 MHz.
Layout Guide.” Silicon Laboratories will evaluate schematics and layouts for qualified customers.
2
MOD
AF
EMF
3,4,5
7,8
– f
= 300 Hz to 15 kHz, A-weighted.
3,6,9
1
= 1 mV.
= 1 kHz, 75
| > 2 MHz, f
7
3,4,5,6
3,4,6,7
5
3,6,7
3,4,6
6,7
0
µ
6,7
= 2
s de-emphasis, MONO = enabled, and L = R unless noted otherwise.
6,9
x
3,6,9
7
3,4,5,7
f
7
1
10
7,10
– f
7,10
2
. AGC
A
= –20 to 85 °C)
Symbol
f
R
C
RF
is disabled. Refer to "6. Pin Descriptions: Si4730/31-GM" on page 24.
1,2
L
L
FM_DEEMPHASIS = 2
FM_DEEMPHASIS = 1
RDS BLER < 5%
(S+N)/N = 26 dB
(S+N)/N = 26 dB
Test Condition
Rev. 1.0
Single-ended
Single-ended
Δf = 2 kHz,
±200 kHz
±400 kHz
±1.5 dB
m = 0.3
In-band
Min
100
0.7
76
40
35
60
35
72
30
25
56
70
45
10
—
—
—
—
—
—
—
3
4
Si4730/31-A10
Typ
105
2.2
1.1
0.1
0.8
15
50
50
70
80
63
58
75
50
—
—
—
—
—
—
—
4
5
Max
108
15k
3.5
0.5
0.9
90
80
54
50
—
—
—
—
—
—
—
—
—
—
—
5
6
1
µV EMF
µV EMF
µV EMF
mV
dBµV
MHz
EMF
Unit
kΩ
kΩ
pF
dB
dB
dB
dB
dB
Hz
dB
dB
dB
pF
µs
µs
%
V
RMS
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