TDA7540N STMicroelectronics, TDA7540N Datasheet - Page 62

• 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 42.
Table 43.
Table 44.
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MSB
MSB
MSB
d7
d7
d7
0
1
0
1
0
0
0
1
1
-
0/1
d6
d6
d6
0
1
0
0
0
1
1
-
-
Addr 30 stereodecoder 7 (continued)
Addr 31 stereodecoder 8
Addr 32 stereodecoder 9
0/1
d5
d5
d5
1
1
0
0
0
1
1
-
-
d4
d4
d4
0
1
0
1
0
0
1
0
1
-
-
d3
d3
d3
0
1
0
1
0
1
1
-
d2
d2
d2
0
1
0
1
d1
d1
d1
0
0
1
1
LSB
LSB
LSB
d0
d0
d0
0
1
0
1
Level gain 1.34dB
-
Level gain 4.7dB
AM audio filter “OFF”
AM audio filter “ON” (has to be set if AMNB is used !!)
Quality noise gain =6dB
Quality noise gain =9dB
Quality noise gain =12dB
Quality noise gain =15dB
Enable AFS PIN
Disable AFS PIN
AFS influence on stereodecoder mute
No AFS influence on stereodecoder mute
PD hold activation if AFS<V
PD hold activation if AFS<V
not valid
not valid
AM audio delay for noise blanking “OFF”
AM audio delay for noise blanking “ON”(has to be set if
AMNB is used !!)
Deemphasis shift (25/37.5µs)
Deemphasis no shift (50/75µs)
AM corner frequency = 3.18kHz
AM corner frequency = 3.10kHz
AM corner frequency = 3.02kHz
AM corner frequency = 1.12kHz
AM corner frequency = 1.06kHz
Function
Function
Function
th1
th2
TDA7540N