TDA7540B STMicroelectronics, TDA7540B Datasheet - Page 50

• Manufacturer Part Number: TDA7540B
• Manufacturer: STMicroelectronics

Specifications of TDA7540B

• Case: TQFP
• Dc: 06+
• Lead Free Status / Rohs Status: Compliant

DOCUMENT CD00108485
Copyright STMicroelectronics
Software specification
Table 17.
Table 18.
Table 19.
46/75
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
REVISION 1.0
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
COMPANY INTERNAL
Not valid
∆f = 6.25kHz (FM)1kHz (AM)
∆f = 12.5kHz (FM) 2kHz (AM)
∆f = 25kHz (FM) 4kHz (AM)
∆f = 50kHz (FM) 8kHz (AM)
∆f = 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”
ISS filter control “OFF”
Switch ISS filter “OFF”
Switch ISS filter “ON”
ACTIVE
Function
Function
Function
Unauthorized reproduction and communication strictly prohibited
DATE 11-May-2006
TDA7540B
page: 46/75