TDA7340G STMicroelectronics, TDA7340G Datasheet - Page 2

• Manufacturer Part Number: TDA7340G
• Description: IC PROCESSOR AUDIO SIGNAL 44PQFP
• Manufacturer: STMicroelectronics
• Type: Car Signal Processorr

Specifications of TDA7340G

• Applications: Automotive
• Mounting Type: Surface Mount
• Package / Case: 44-MQFP, 44-PQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7340G
AUDIO PROCESSOR PART
FEATURES:
Input Multiplexer:
Loudness:
Volume Control:
Bass Control
Treble Control
Speaker Control
Mute Functions
2/27
7 x 2dB STEPS
DIFFERENTIAL CD STEREO INPUT
CASSETTE STEREO INPUT
FM STEREO INPUT FROM STEREODE-
CODER
AM INPUT:
MONO OR STEREO MODE (PROGRAMMA-
BLE)
BEEP INPUT (ONLY IN AM MONO MODE)
TELEPHONE DIFFERENTIAL MONO INPUT
GAIN PROGRAMMABLE IN 3 x 3.75dB
STEPS
FULLY PROGRAMMABLE
15 x 1.25dB STEPS
1.25dB COARSE ATTENUATOR
0.31dB FINE ATTENUATORS
MAX GAIN 20dB
MAX ATTENUATION 59.7dB (PLUS LOUD-
NESS)
2nd ORDER SYMMETRICAL OR NON SYM-
METRICAL CUT FREQUENCY RESPONSE
4 INDEPENDENT SPEAKER CONTROL IN
1.25dB STEPS
CONTROL RANGE 37.5dB
INDEPENDENT SPEAKER MUTE
DIRECT MUTE
ZERO CROSSING MUTE WITH PROGRAM-
MABLE THRESHOLD
SOFT MUTE WITH EXTERNAL DEFINED
SLOPE
SOFT MUTE VIA I
7 x 2dB STEPS
2
C BUS OR EXTERNALLY
Pause Detector
STEREO DECODER PART
FEATURES:
NOISE BLANKER PART
FEATURES:
CONTROLLED
PROGRAMMABLE THRESHOLD
DELAY TIME DEFINED BY AN EXTERNAL
CAPACITOR
INTERNALLY
COMPENSATION (I
INTEGRATED PILOT CANCELLATION
ON CHIP FILTER FOR PILOT DETECTOR
AND PLL
ADJUSTMENT FREE VOLTAGE CONTROL-
LED OSCILLATOR
AUTOMATIC
MONO/STEREO SWITCHING
VERY HIGH INTERMODULATION AND IN-
TERFERENCE SUPPRESSION
I
MONO, STEREO)
HIGH CUT CONTROL
STEREO BLEND
INTERNAL 2nd ORDER HIGH-PASS FILTER
NOISE RECTIFIER OUTPUT FOR SIGNAL
QUALITY DETECTION
PROGRAMMABLE TRIGGER THRESHOLD
TRIGGER THRESHOLD DEPENDENT ON
HIGH FREQUENCY NOISE
BLANKING TIME PROGRAMMABLE BY EX-
TERNAL CAPACITOR
VERY LOW OFFSET CURRENT DURING
HOLD TIME DUE TO OPAMPS WITH MOS
INPUTS
LEVEL INPUT FOR ADDITIONAL SPIKE DE-
TECTION ON FIELD STRENGTH WITH IN-
TERNAL 1st ORDER + 20KHz HIGH PASS
FILTER
NOISE RECTIFIER OUTPUT FOR QUALITY
DETECTION
CIRCUITS FOR DEVIATION AND FIELD
STRENGTH DEPENDENT TRIGGER AD-
JUSTMENT
2
C BUS CONTROLLED (STD OFF, FORCED
ADJUSTABLE
PILOT
2
C BUS CONTROLLED)
DEPENDENT
ROLL-OFF