Si4712/13-B30
Rev. 1.1
13
Audio Stereo Separation
2
left channel only
30
35
dB
Sub Carrier Rejection Ratio
SCR
40
50
dB
Powerup Settling Time
2
110
ms
Input Signal Level
2
V
AI
0.636
V
PK
Frequency Flatness
2
Mono, ?.5 dB,
攆 = 75 kHz, 0, 50, 75 祍
pre-emphasis, limiter off
30
15 k
Hz
High Pass Corner Frequency
2
Mono, 3 dB, 攆 = 75 kHz,
0, 50, 75 祍 pre-emphasis,
limiter off
5
30
Hz
Low Pass Corner Frequency
2
Mono, 3 dB, 攆 = 75 kHz,
0, 50, 75 祍 pre-emphasis,
limiter off
15 k
16 k
Hz
Audio Imbalance
Mono
1
1
dB
Pilot Modulation Rate Accuracy
2
攆 = 68.25 kHz,
攆pilot = 6.75 kHz, Stereo
10
10
%
Audio Modulation Rate Accuracy
2
攆 = 68.25 kHz,
攆pilot = 6.75 kHz, Stereo
10
10
%
Input Resistance
2
LIATTEN[1:0] = 11
50
60
k?/DIV>
Input Capacitance
2
10
pF
Received Noise Level Accuracy
(Si4712/13 Only)
2
60 dB礦 input, T
A
= 25 篊
54
dBuV
Table 9. FM Transmitter Characteristics
1
(Continued)
(Test conditions: V
RF
= 118 dB礦, stereo, 攆 = 68.25 kHz, 攆pilot = 6.75 kHz, REFCLK = 32.768 kHz, 75 祍 pre-emphasis,
unless otherwise specified.
Production test conditions: V
DD
= 3.3 V, V
IO
= 3.3 V, T
A
= 25 癈, F
RF
= 98 MHz.
Characterization test conditions: V
DD
= 2.7 to 5.5 V, V
IO
= 1.5 to 3.6 V, T
A
= 20 to 85 癈, F
RF
= 76108 MHz.
All minimum and maximum specifications are guaranteed and apply across the recommended operating conditions.
Typical values apply at V
DD
= 3.3 V and 25 癈 unless otherwise stated.
Parameters are tested in production unless otherwise specified.)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Notes:
1. FM transmitter performance specifications are subject to adherence to Silicon Laboratories guidelines in AN383:
Universal Antenna Selection and Layout Guidelines. Silicon Laboratories will evaluate schematics and layouts for
qualified customers. Tested with test schematic (L = 120 nH, Q >
30) shown in Figure 9 on page 15.
2. Guaranteed by characterization.
3. No measurable ?/SPAN>fRF/?/SPAN>V
DD
at 擵
DD
of 500 mVpk-pk at 100 Hz to 10 kHz.
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