TDA7540N STMicroelectronics, TDA7540N Datasheet - Page 48

• 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 18.
Table 19.
Table 20.
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MSB
MSB
MSB
d7
d7
d7
0
0
1
1
1
1
0
1
d6
d6
d6
1
1
0
0
1
1
0
1
Addr 6 IF counter control 2 (continued)
Addr 7 AM control
Addr 8 quality ISS filter
d5
d5
d5
0
1
0
1
0
1
0
0
1
1
d4
d4
d4
0
1
0
1
d3
d3
d3
0
0
1
1
d2
d2
d2
0
1
0
1
d1
d1
d1
0
1
0
1
LSB
LSB
LSB
d0
d0
d0
0
1
0
1
Not valid
Δf = 6.25kHz (FM)1kHz (AM) not recommended
Δf = 12.5kHz (FM) 2kHz (AM) not recommended
Δf = 25kHz (FM) 4kHz (AM)
Δf = 50kHz (FM) 8kHz (AM)
Δf = 100kHz (FM)16kHz (AM)
Normal AGC time constant
Short time constant for AM seek stop
Multipath information available FM at PIN 24
AM stereo output available at PIN 24
Prescaler ratio 10
Prescaler ratio 8
Prescaler ratio 6
Prescaler ratio 4
Disable additional TV1, 2 offset
Enable additional TV1 offset +3.175V (for weather band)
Enable additional TV2 offset +3.175V (for weather band)
Enable additional TV1, 2 offset +3.175V (for weather band)
TV is tracking with PLL
TV is independing on PLL
Disable local mode
Enable local mode (PIN diode current = 0.5mA)
ISS filter control “ON” recommended
ISS filter control “OFF”
Switch ISS filter “OFF”
Switch ISS filter “ON”
Function
Function
Function
TDA7540N