參數(shù)資料
型號(hào): SI4713-B30-GMR
廠商: Silicon Laboratories Inc
文件頁數(shù): 13/42頁
文件大小: 430K
描述: IC TX FM RADIO RPS/RDS 20UQFN
標(biāo)準(zhǔn)包裝: 2,500
頻率: 76MHz ~ 108MHz
應(yīng)用: 通用
調(diào)制或協(xié)議: FM
電流 - 傳輸: 18.8mA
數(shù)據(jù)接口: PCB,表面貼裝
天線連接器: PCB,表面貼裝
電源電壓: 2.7 V ~ 5.5 V
封裝/外殼: 20-UFQFN 裸露焊盤
包裝: 帶卷 (TR)
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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