TDA7540N STMicroelectronics, TDA7540N Datasheet - Page 52

• 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 25.
Table 26.
Table 27.
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MSB
MSB
MSB
d7
d7
d7
0
1
0
1
d6
d6
d6
1
0
1
Addr 13 softmute control 2
Addr 14 VCODIV/PLLREF
Addr 15 FM AGC
d5
d5
d5
1
1
1
1
1
0
d4
d4
d4
1
0
0
1
1
0
d3
d3
d3
1
0
1
0
1
0
0
0
1
1
d2
d2
d2
0
1
0
1
0
1
d1
d1
d1
0
0
1
1
0
0
1
1
LSB
LSB
LSB
d0
d0
d0
0
1
0
1
0
1
0
1
AC mute “OFF”
AC mute filter 110KHz
AC mute filter 100KHz
not valid (only for testing)
VCO frequency divided by 2
VCO frequency divided by 3
original VCO frequency
VCO” I” signal 0 degree
VCO “I” signal 180 degree
PLL reference frequency 50KHz
PLL reference frequency 25KHz
PLL reference frequency 10KHz
PLL reference frequency 9KHz
PLL reference frequency 2KHz
Select FM mode
Select AM mode
Select PLL low pass filter FM
Select PLL low pass filter AM
RFAGC threshold V
RFAGC threshold V
RFAGC threshold V
RFAGC threshold V
IFAGC threshold V
IFAGC threshold V
IFAGC threshold V
IFAGC threshold V
77TH
77TH
77TH
77TH
9-11TH
9-11TH
9-11TH
9-11TH
= 86(60 ANT)dBµV
= 92(66 ANT)dBµV
= 96(70 ANT)dBµV
= 98(72 ANT)dBµV
Function
Function
Function
= 85(77 ANT)dBµV
= 90(82 ANT)dBµV
= 94(86 ANT)dBµV
= 96(88 ANT)dBµV
TDA7540N