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THS122 ,HALL SENSOR GaAs ION IMPLANTED PLANAR TYPE HIGH STABILITY CONTROL DIGITAL TACHOMETER CRANK SHAFR POSITION SENSORELECTRICAL CHARACTERISTICS (Ta = 25°C)CHARACTERISTIC SYMBOL TEST CONDITION UNIT1nterna1Resistance(s ..
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THS124 ,HALL SENSOR GaAs ION IMPLANTED PLANAR TYPE HIGH STABILITY CONTROL DIGITAL TACHOMETER CRANK SHAFR POSITION SENSORELECTRICAL CHARACTERISTICS (Ta = 25°C)CHARACTERISTIC SYMBOL TEST CONDITION UNITInternal Resistance ..
THS126 ,HALL SENSOR GaAs ION IMPLANTED PLANAR TYPE HIGH STABILITY CONTROL DIGITAL TACHOMETER CRANK SHAFR POSITION SENSORELECTRICAL CHARACTERISTICS (Ta = 25°C)CHARACTERISTIC SYMBOL TEST CONDITION UNITInternal Resistance ..
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TDA7461D
CAR RADIO SIGNAL PROCESSOR
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TDA7461
CAR RADIO SIGNAL PROCESSOR
n HIGH PERFORMANCE SIGNAL PROCES-
SOR FOR CAR RADIO SYSTEMS
n DEVICE INCLUDES AUDIO PROCESSOR,
STEREO DECODER, NOISEBLANKER AND
MULTIPATH DETECTOR
NO EXTERNAL COMPONENTS REQUIRED
FULLY PROGRAMMABLE VIA IZC BUS
LOW DISTORTION
LOW NOISE
DESCRIPTION
The TDA7461 is a high performance signal proc-
essor specifically designed for car radio applica-
tions.
The device includes a complete audioprocessor
and a stereo decoder with noiseblanker,
stereoblend and all signal processing functions
necessary for state-of-the-art as well as future car
radio systems.
Switched-capacitors design technique allows to
obtain all these features without external compo-
B LOCK DIAG RAM
ORDERING NUMBER: TDA7461 D
nents or adjustments. This means that higher
quality and reliability walks alongside an overall
costsaving.
The CSP is fully programmable by |2C bus inter-
face allowing to customize key device parameters
and especiallyfilter characteristics.
The BICMOS process combined with the opti-
mized signal processing assure low noise and
low distortion performances.
CDL CDG CDR
AM MIXING LOUDNESS
STAGE VOLUME
CASS R
CASS L INPUT PHONE
MULTIPLEXER
PHONE AUTO ZERO
PH GND
DEMODULATOR
' STEREO ADJUST
+ STEREO BLEND
MPX CANCELLATION
VS SUPPLY MULTIPATH-
DETECTO R
20 25 1 3
ACOUTL
ACOUTR
OUT LR
OUT LF
OUT RR
OUT RF
TREBLE
DIGITAL CONTROL
CONTROL
BLANKER
D97AU64M
March 1998
TDA7461
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
Vs Operating Supply Voltage 10.5 V
Tamb Operating Ambient Temperature Range -40 to 80 ''C
Tstg Operating Storage Temperature Range -55 to 150 °C
SUPPLY
Symbol Parameter Test Condition Min. Typ. Max. Unlt
Vs Supply Voltage 7.5 9 10 V
Is Supply Current Vs = 9V 25 30 35 mA
SVRR Ripple Rejection © 1KHz Audioprocessor (all filters flat) 60 dB
Stereodecoder + Audioprocessor 45 dB
All pins are protected against ESD according to the MIL883 standard.
PIN CONNECTION
ACINL ACOUTL
ACIN R ACOUTR
CASSR CREF
CASSL OUTLF
CDR OUTRF
CDGND OUTLR
CDL OUTRR
PH GND VS
PHONE GND
AM SDA
M PX SCL
LEVEL SMUTE
M PIN M UXR
M POUT M UXL
D97AU647
THERMAL DATA
Symbol Parameter Value Unit
Rth-jpins Thermal Resistance Junction-pins Max 85 °C/W
2/31 gr,
