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SI4705-D60-GUR

IC FM RADIO TUNER 24SSOP

器件类别:模拟混合信号IC    消费电路   

厂商名称:Silicon Laboratories Inc

器件标准:

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器件参数
参数名称
属性值
是否Rohs认证
符合
厂商名称
Silicon Laboratories Inc
零件包装代码
SSOP
包装说明
SSOP-24
针数
24
Reach Compliance Code
compliant
ECCN代码
EAR99
商用集成电路类型
AUDIO SINGLE CHIP RECEIVER
解调类型
FM
谐波失真
0.1%
JESD-30 代码
R-PDSO-G24
长度
8.65 mm
功能数量
1
端子数量
24
最高工作温度
85 °C
最低工作温度
-20 °C
标称输出电压(调频)
80 mV
封装主体材料
PLASTIC/EPOXY
封装代码
SSOP
封装等效代码
SSOP24,.3
封装形状
RECTANGULAR
封装形式
SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度)
NOT SPECIFIED
电源
1.8/3.3,3/5 V
认证状态
Not Qualified
座面最大高度
2 mm
信噪比Nom(FM)
58 dB
最大供电电压 (Vsup)
5.5 V
最小供电电压 (Vsup)
2.7 V
表面贴装
YES
技术
CMOS
温度等级
OTHER
端子形式
GULL WING
端子节距
0.635 mm
端子位置
DUAL
处于峰值回流温度下的最长时间
NOT SPECIFIED
宽度
3.9 mm
文档预览
Si4704/05
Enhanced Broadcast FM Radio Receiver for Portable Applications
Description
The Si4704/05 enhanced FM receiver is the most
advanced portable solution available today offering
embedded antenna support, digital audio out, worldwide
FM band support, and highly flexible, mature, and proven
FM functionality in a simple API. The Si4704/05
incorporates Silicon Labs' tuned-resonance antenna
technology for crystal clear FM reception in wire-free
device enclosures. Silabs' internationally patented tuned-
resonance technology allows embedded FM antennas
such as PCB traces, loops, stubs, or other devices to
perform exceptionally well, enabling devices with
integrated Bluetooth to receive FM transmissions without
an external FM antenna, and transmit the FM content to
Bluetooth-enabled headsets. This is the best, most cost-
effective solution to enable wire-free FM reception.
The Si4705 also offers digital audio out for FM recording.
Content recorded over the Si4705 can be shared with
friends or played at a later time in MP3 format. The content
can also be tagged with RDS information, allowing song
name and artist labels to be displayed as is done with MP3
meta data. Using the digital audio out, the Si4705 can also
reduce total system power consumption by avoiding
unnecessary ADC/DAC conversions between the FM
receiver and the host processor.
The Si4704/05 truly supports worldwide FM bands, starting
at 64 MHz for Eastern European countries and extending
all the way to 108 MHz for the rest of the world. The device
supports channel spacing down to 10 kHz, and includes
advanced, proven seek functionality. All the Silicon Labs
proven FM receiver expertise is incorporated in the Si4704/
05, gained through thousands of designs with almost every
OEM and ODM in the world and over 100 million devices
shipped.
The Si4704/05 leverage Silicon Labs' internationally
patented and proven digital low-IF architecture, offering
proven functionality in a simple and mature API. The
device is offered in a highly reliable, ultra-small
3 x 3 x 0.55 mm 20-pin QFN and is layout compatible with
the full suite of Silicon Labs broadcast offerings including
Headphone
Cable
FMI
RFGND
LNA
PGA
ADC
AGC
0/90
RSSI
AFC
RDS
(Si4705)
DIGITAL INTERFACE
(Si4705)
ADC
DSP
DAC
ROUT
GPO
DCLK
DOUT
DFS
FM transmit, AM/FM/SW receive, weather band receive
and SAME decode, and unparalleled RDS data receivers.
The complete solution, including a minimal BOM, requires
less than 15 mm
2
board area, or less than half that of other
competing solutions. The Si4705 incorporates Silicon Labs'
proven and widely adopted RDS processor, including
worldwide compliance, all symbol decoding, error
detection, error correction, and other RDS functions. The
Si4705 RDS functionality is unmatched in the industry for
performance, on-chip processing, and worldwide adoption.
Features
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Worldwide FM band support (64~108 MHz)
Supports integrated antenna
Digital low-IF receiver
Excellent real-world performance
Frequency synthesizer with integrated VCO
Seek tuning
Automatic frequency control (AFC)
Automatic gain control (AGC)
Integrated LDO regulator
Minimal BOM
Adjustable seek parameters
Adjustable mono/stereo blend
Adjustable soft mute
RDS/RBDS decoder(Si4705 only)
Optional digital audio output (Si4705 only)
Programmable de-emphasis(50/75us)
Programmable reference clock input
Signal quality measurement
3 x 3 x 0.55 mm 20-pin Pb-free QFN package
Cellular handsets
MP3 players
Portable media players
Personal computers
Portable navigation devices
Consumer electronics
Applications
Si4704/05
DAC
LOUT
LPI
32.768 kHz
RCLK
2.7–5.5 V
VDD
REG
XTAL
OSC
SEN
CONTROL
INTERFACE
SCLK
RST
FM Tuner
Copyright © 2008 by Silicon Laboratories
SDIO
VIO
4.02.08
Si4704/05
Enhanced Broadcast FM Radio Receiver for Portable Applications
Selected Electrical Specifications
Parameter
Input Frequency
Sensitivity (76–108 MHz)
Input IP3
Adjacent Channel Selectivity
Alternate Channel Selectivity
RCLK Frequency
RCLK Frequency Tolerance
Audio Output Voltage
Audio Mono S/N
Audio THD
Supply Voltage
Interface Supply Voltage
Ambient Temperature
Supply Current
Powerdown Current
Seek/Tune Time
SCLK Frequency
Powerup Time
f
CLK
f
SCL
3-wire operation
2-wire operation
From powerdown
V
D
, V
A
V
IO
T
A
I
AD
I
PD
Symbol
f
RF
(S+N)/N = 26 dB
|f
2
– f
1
| > 1 MHz; f
0
= 2 x f
1
– f
2
AGC disabled
±200 kHz
±400 kHz
Test Condition
Min
64
–100
72
55
2.7
1.5
–20
Typ
1.1
105
50
70
32.768
80
63
0.1
25
19.2
10
Max
108
100
90
0.5
5.5
3.6
85
12
80
2.5
400
110
Unit
MHz
µV EMF
dBµV EMF
dB
dB
kHz
ppm
mVrms
dB
%
V
V
C
mA
µA
ms/channel
MHz
kHz
ms
Pin Assignments
GPO3/DCLK
GPO2/INT
Package Information
GPO1
NC 1
FMI 2
RFGND 3
LPI 4
RST 5
6
SEN
20 19 18 17 16
15 DOUT
GND
PAD
7
SCLK
8
SDIO
9
RCLK
10 11 VDD
VIO
Symbol
A
A1
b
c
D
D2
e
E
E2
Notes:
1.
2.
DFS
14 LOUT
13 ROUT
12 GND
NC
Min
0.50
0.00
0.18
0.27
1.60
1.60
Millimeters
Nom
0.55
0.02
0.25
0.32
3.00 BSC
1.70
0.50 BSC
3.00 BSC
1.70
Symbol
Max
0.60
0.05
0.30
0.37
1.80
Min
f
L
L1
aaa
bbb
ccc
ddd
eee
0.35
0.00
Millimeters
Nom
2.53 BSC
0.40
Max
0.45
0.10
0.10
0.10
0.08
0.10
0.10
1.80
All dimensions are shown in millimeters unless otherwise noted.
Dimensioning and tolerancing per ANSI Y14.5M-1994.
FM Tuner
Copyright © 2008 by Silicon Laboratories
4.02.08
Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.
Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders
Smart.
Connected.
Energy-Friendly
Products
www.silabs.com/products
Quality
www.silabs.com/quality
Support and Community
community.silabs.com
Disclaimer
Silicon Laboratories intends to provide customers with the latest, accurate, and in-depth documentation of all peripherals and modules available for system and software implementers
using or intending to use the Silicon Laboratories products. Characterization data, available modules and peripherals, memory sizes and memory addresses refer to each specific
device, and "Typical" parameters provided can and do vary in different applications. Application examples described herein are for illustrative purposes only. Silicon Laboratories
reserves the right to make changes without further notice and limitation to product information, specifications, and descriptions herein, and does not give warranties as to the accuracy
or completeness of the included information. Silicon Laboratories shall have no liability for the consequences of use of the information supplied herein. This document does not imply
or express copyright licenses granted hereunder to design or fabricate any integrated circuits. The products must not be used within any Life Support System without the specific
written consent of Silicon Laboratories. A "Life Support System" is any product or system intended to support or sustain life and/or health, which, if it fails, can be reasonably expected
to result in significant personal injury or death. Silicon Laboratories products are generally not intended for military applications. Silicon Laboratories products shall under no
circumstances be used in weapons of mass destruction including (but not limited to) nuclear, biological or chemical weapons, or missiles capable of delivering such weapons.
Trademark Information
Silicon Laboratories Inc., Silicon Laboratories, Silicon Labs, SiLabs and the Silicon Labs logo, CMEMS®, EFM, EFM32, EFR, Energy Micro, Energy Micro logo and combinations
thereof, "the world’s most energy friendly microcontrollers", Ember®, EZLink®, EZMac®, EZRadio®, EZRadioPRO®, DSPLL®, ISOmodem ®, Precision32®, ProSLIC®, SiPHY®,
USBXpress® and others are trademarks or registered trademarks of Silicon Laboratories Inc. ARM, CORTEX, Cortex-M3 and THUMB are trademarks or registered trademarks of
ARM Holdings. Keil is a registered trademark of ARM Limited. All other products or brand names mentioned herein are trademarks of their respective holders.
Silicon Laboratories Inc.
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Austin, TX 78701
USA
http://www.silabs.com
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