TDA7540N STMicroelectronics, TDA7540N Datasheet - Page 58

• Manufacturer Part Number: TDA7540N
• Description: IC TUNER AM/FM CAR RADIO 80-LQFP
• Manufacturer: STMicroelectronics

Specifications of TDA7540N

• Frequency: 10.7MHz
• Modulation Or Protocol: AM, FM
• Applications: Automotive Audio
• Current - Receiving: 12mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 7.7 V ~ 9 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -
• Lead Free Status / Rohs Status: Compliant

Software specification
Table 36.
Table 37.
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MSB
MSB
d7
d7
0
1
0
0
1
1
d6
d6
0
1
0
1
0
1
Addr 24 stereodecoder 1
Addr 25 stereodecoder 2
d5
d5
0
0
1
1
0
1
d4
d4
0
1
0
1
0
1
d3
d3
0
1
0
1
d2
d2
1
0
1
d1
d1
0
1
0
1
LSB
LSB
d0
d0
1
0
1
only for testing (has to be set to 1)
not valid (only for testing)
Audio AM noise blanker fix threshold enable
only for testing (has to be set to 1)
Audio inverter OFF
Audio inverter ON
Audio noise blanking time 38µs
Audio noise blanking time 25.5µs
Audio noise blanking time 32µs
Audio noise blanking time 22µs
Stereodecoder VCO adjust minus
Stereodecoder no VCO adjust recommended
Stereodecoder VCO adjust plus
Stereodecoder no VCO adjustrecommended
Stereo decoder mute disable
Stereo decoder mute enable
Stereo decoder “ON” if muted
Stereo decoder “OFF” if muted
Forced MONO, must be set in AM
MONO/STEREO switch automatically
Noise blanker peak charge current low
Noise blanker peak charge current high
Pilot threshold high
Pilot threshold low
Deemphasis 50µs
Deemphasis 75µs
Stereodecoder ingain = 3.75dB
Stereodecoder ingain = 2.5dB
Stereodecoder ingain = 1.25dB
Stereodecoder ingain = 0dB
Function
Function
TDA7540N