參數(shù)資料
型號(hào)： TDA7476
廠商： STMICROELECTRONICS
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDSO24
封裝： SOP-24
文件頁數(shù)： 1/19頁
文件大小： 161K
代理商： TDA7476
1/19
TDA7476
April 2001
s
WIDE OPERATING VOLTAGE RANGE
s
ST-BY FUNCTION (C-MOS)
s
LOW QUIESCENT ST-BY CURRENT
CONSUMPTION
s
I2C BUS INTERFACE WITH 2 EXTERNALLY
SELECTABLE ADDRESSES
s
UP TO 5 BTL EQUIVALENT INPUTS FOR
FAULT DETECTION IN THE AUDIO
CHANNELS
- short to GND
- short to Vs
- short across the load (at turn-on)
- open load (at turn-on)
s
2 AUX INPUTS FOR FAULT DETECTION IN
THE ANTENNA AND BOOSTERS SUPPLY
LINE- short to GND- open load
s
WARNING PIN FUNCTION (interrupt facility)
ACTIVATED IN THE FOLLOWING
CONDITION:
- audio channel shorted to VS
- audio channel shorted to GND
- aux input shorted to GND
s
NOISE FREE DIAGNOSTICS OPERATION
s
PROTECTORS
s
LOAD DUMP VOLTAGE
s
OPEN GND
s
REVERSED BATTERY
s
ESD
DESCRIPTION
The car radio diagnostic processor is an interface
chip in BCD Technology intended for car radio appli-
cations. It is able to detect potential faults coming
from any misconnection in the car radio or in the har-
ness when 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 (I2C bus com-
patible) in order to disable the ICs under fault and/or
to alert the micro-controller by means of warning
messages.
SO-24
ORDERING NUMBER: TDA7476
CAR RADIO DIAGNOSTIC PROCESSOR
PIN CONNECTION (Top view)
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+
D97AU570A
ST-BY
T-CAP
11
14
13
12
VS
CSR
MULTIPOWER BCD TECHNOLOGY
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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 - 專門應(yīng)用 CAR RADIO DIAGNOSTIC RoHS:否 制造商:Freescale Semiconductor 類型: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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