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RDA5807SP 데이터시트 PDF




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부품번호 RDA5807SP 기능
기능 SINGLE-CHIP BROADCAST FM RADIO TUNER
제조업체 RDA
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RDA5807SP 데이터시트, 핀배열, 회로
www.DataSheet4U.com
RDA5807SP
SINGLE-CHIP BROADCAST FM RADIO TUNER
Rev.1.1 Jun.2009
1 General Description
The RDA5807SP is a single-chip broadcast FM
stereo radio tuner with fully integrated synthesizer,
IF selectivity and MPX decoder. The tuner uses
the CMOS process, support multi-interface and
require the least external component. The
package size is SOP16. It is completely
adjustment-free. All these make it very suitable for
portable devices.
The RDA5807SP has a powerful low-IF digital
audio processor, this make it have optimum sound
quality with varying reception conditions.
The RDA5807SP can be tuned to the worldwide
frequency band.
Figure 1-1. RDA5807SP Top View
1.1 Features
l CMOS single-chip fully-integrated FM tuner
l Low power consumption
Ø Total current consumption lower than 17.5mA
at 3.3V power supply
l Support worldwide frequency band
Ø 76 -108 MHz
l Digital low-IF tuner
Ø Image-reject down-converter
Ø High performance A/D converter
Ø IF selectivity performed internally
l Autonomous search tuning
l Support crystal oscillator
l 32.768 KHz 12M,24M,13M,26M,19.2M,38.4MHz
Reference clock
l 2-wire serial control bus interface
l Digital auto gain control (AGC)
Ø Mono/stereo switch
Ø Soft mute
Ø High cut
l Signal dependent mono to stereo blend [Stereo
Noise Cancelling (SNC)]
l Adjustment-free stereo decoder
l Autonomous search tuning function
l Bass boost
l Standby mode
l Programmable de-emphasis (50/75 µs)
l Directly support 32Ω resistance loading
l Integrated LDO regulator
Ø 2.7 to 5.5 V operation voltage
l SOP16 package
1.2 Applications
l Cellular handsets
l MP3, MP4 players
l Portable radios
l PDAs, Notebook PCs
Copyright © RDA Microelectronics Inc. 2008. All rights are reserved.
The information contained herein is the exclusive property of RDA and shall not be distributed, reproduced, or disclosed in whole or in
part without prior written permission of RDA.




RDA5807SP pdf, 반도체, 판매, 대치품
www.DataSheet4U.com
RDA Microelectronics, Inc.
RDA5807SP FM Tuner V1.1
3.4 RESET and Control Interface select
The RDA5807SP is RESET itself When VIO is
Power up. And also support soft reset. The control
interface is select by MODE Pin. The MODE Pin
is low ,I2C Interface is select. The MODE Pin is
set to VIO, SPI Interface is select.
The RDA5807SP could enter into a power-down
mode to reduce power consumption.
In power-down mode, analog and digital circuitry
are both disabled, while maintaining register
configuration and keeping control interface active.
Details refer to RDA5807SP Programming Guide.
3.5 Control Interface
The RDA5807SP supports I2C control interface.
User could program the chip through the bus.
The I2C interface is compliant to I2C Bus
Specification 2.1. It includes two pins: SCLK and
SDIO. An I2C interface transfer begins with
START condition, a command byte and data bytes,
each byte has a followed ACK (or NACK) bit, and
ends with STOP condition. The command byte
includes a 7-bit chip address and an R/W bit. The
ACK (or NACK) is always sent out by receiver.
When in write transfer, data bytes is written out
from MCU, and when in read transfer, data bytes
is read out from RDA5807SP. There is no visible
register address in I2C interface transfers.
RDA5807SP always gives out ACK after every
byte, and MCU gives out STOP condition when
register programming is finished. For read transfer,
after command byte from MCU, RDA5807SP
sends out the first register high byte, then the first
register low byte, then the second register high
byte, till receives NACK from MCU. MCU gives out
ACK for data bytes besides last data byte. MCU
gives out NACK for last data byte, and then
RDA5807SP will return the bus to MCU, and MCU
will give out STOP condition.
The RDA5807SP supported two type I2C
interface:RDA5807SP Mode and TEA5767 Mode.
The different register defined in different interface
Mode.
Details refer to RDA5807SP Programming Guide.
3.6 GPIO Outputs
The RDA5807SP has three GPIOs and only used
in RDA5807SP Mode. The function of GPIOs
could programmed with bits GPIO1[1:0],
GPIO2[1:0], GPIO3[1:0] and I2SEN.
If I2SEN is set to low, GPIO pins could be
programmed to output low or high or high-Z, or be
programmed to output interrupt and stereo
indicator with bits GPIO1[1:0], GPIO2[1:0],
GPIO3[1:0]. GPIO2 could be programmed to
output a low interrupt (interrupt will be generated
only with interrupt enable bit STCIEN is set to high)
when seek/tune process completes. GPIO3 could
be programmed to output stereo indicator bit ST.
Constant low, high or high-Z functionality is
available regardless of the state of VDD supplies
or the ENABLE bit.
SCK
WS LEFTCHANNEL
1SCK
SD MSB
RIGHTCHANNEL
1SCK
LSB MSB
Figure 3-2. I2S Digital Audio Format
LSB
The information contained herein is the exclusive property of RDA and shall not be distributed, reproduced, or disclosed in whole or in
part without prior written permission of RDA.
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RDA5807SP 전자부품, 판매, 대치품
RDA Microelectronics, Inc.
www.DataSheet4U.com
RDA5807SP FM Tuner V1.1
6 Serial Interface
6.1 I2C Interface Timing
Table 6-1 I2C Interface Timing Characteristics
(VDD = 2.7 to 5.5 V, TA = -25 to 85 °C, unless otherwise specified)
PARAMETER
SCLK Frequency
SCLK High Time
SCLK Low Time
Setup Time for START Condition
Hold Time for START Condition
Setup Time for STOP Condition
SDIO Input to SCLKSetup
SDIO Input to SCLKHold
STOP to START Time
SDIO Output Fall Time
SDIO Input, SCLK Rise/Fall Time
Input Spike Suppression
SCLK, SDIO Capacitive Loading
Digital Input Pin Capacitance
SYMBOL
fscl
thigh
tlow
tsu:sta
thd:sta
tsu:sto
tsu:dat
thd:dat
tbuf
tf:out
tr:in / tf:in
tsp
Cb
TEST CONDITION
MIN
0
0.6
1.3
0.6
0.6
0.6
100
0
1.3
20+0.1Cb
20+0.1Cb
-
-
TYP
-
-
-
-
-
-
-
-
-
-
-
-
-
MAX
400
-
-
-
-
-
-
900
-
250
300
50
50
5
UNIT
KHz
µs
µs
µs
µs
µs
ns
ns
µs
ns
ns
ns
pF
pF
Figure 6-1. I2C Interface Write Timing Diagram
Figure 6-2. I2C Interface Read Timing Diagram
The information contained herein is the exclusive property of RDA and shall not be distributed, reproduced, or disclosed in whole or in
part without prior written permission of RDA.
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