參數(shù)資料
型號(hào)： TDA7476
廠商： 意法半導(dǎo)體
英文描述： CAR RADIO DIAGNOSTIC PROCESSOR
中文描述： 汽車(chē)無(wú)線電診斷處理器
文件頁(yè)數(shù)： 1/15頁(yè)
文件大小： 101K
代理商： TDA7476
TDA7476
CAR RADIO DIAGNOSTIC PROCESSOR
PRELIMINARY DATA
WIDE OPERATINGVOLTAGERANGE
ST-BY FUNCTION (C-MOS)
LOW QUIESCENT ST-BY CURRENT CON-
SUMPTION
I2C BUS INTERFACE WITH 2 EXTERNALLY
SELECTABLEADDRESSES
UP TO 5 BTL EQUIVALENT INPUTS FOR
FAULT DETECTION IN THE AUDIO CHAN-
NELS
- short to GND
- short to Vs
- short across the load (at turn-on)
- open load (at turn-on)
2 AUX INPUTS FOR FAULT DETECTION IN
THE ANTENNA AND BOOSTERS SUPPLY
LINE
- short to GND
- open load
WARNING PIN FUNCTION (interrupt facility)
ACTIVATED IN THE FOLLOWING CONDI-
TION:
- audiochannelshorted to V
S
- audiochannelshorted to GND
- aux input shortedto GND
NOISE FREE DIAGNOSTICSOPERATION
PROTETCTORS
LOAD DUMP VOLTAGE
OPENGND
REVERSEDBATTERY
ESD
DESCRIPTION
The car radio diagnostic processor is an interface
chip in BCD Technology intended for car radio
applications. It is able to detect potential faults
comingfrom any misconnectionin the car radio or
in the harnesswhen installing the set.
The device is able to reveal any fault in the loud-
speaker lines and in the antenna and booster
supply lines, providing a proper output signal (I
2
C
bus compatible) in order to disable the ICs under
fault and/or to alert
μ
controller by means of warn-
ing messages.
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
December 1999
GND
SDA
SCL
ADD
W
AUX1 IN
AUX1 OUT
AUX2 IN
AUX2 OUT
CH1-
CH2-
CH2+
CH3-
CH3+
CH4-
CH4+
CH5+
CH5-
1
3
2
4
5
6
7
8
9
22
21
20
19
18
16
17
15
23
10
24
5V
CH1+
D97AU570
ST-BY
T-CAP
11
14
13
12
V
S
CURR. SET. RES.
PIN CONNECTION
(Topview)
SO24
MULTIPOWER BCD TECHNOLOGY
1/15
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7476_01 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CAR RADIO DIAGNOSTIC PROCESSOR
TDA7476013TR 功能描述:處理器 - 專(zhuān)門(mén)應(yīng)用 CAR RADIO DIAGNOSTIC RoHS:否 制造商:Freescale Semiconductor 類(lèi)型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
TDA7478 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SINGLE CHIP RDS DEMODULATOR
TDA7478_11 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Single chip RDS demodulator
TDA7478D 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SINGLE CHIP RDS DEMODULATOR
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