TDA7540B STMicroelectronics, TDA7540B Datasheet - Page 69

• Manufacturer Part Number: TDA7540B
• Manufacturer: STMicroelectronics

Specifications of TDA7540B

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

DOCUMENT CD00108485
Copyright STMicroelectronics
TDA7540B
Block Diagram Quality Detection Principle (without overdeviation correction)
Table 51.
Table 52.
ac
ac+
sm
dev
dev+
inton
int80
ac
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
Signal
REVISION 1.0
ac+
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
Input Signals
sm
0
0
0
1
1
1
0
0
0
0
1
1
1
1
1
1
No adjacent channel
No strong adjacent channel
Fieldstrength higher as softmute threshold
Deviation lower as threshold DWTH
Deviation lower as threshold DTH*DWTH
ISS filter off by logic (wide)
ISS filter 120kHz (mid)
dev
0
1
1
0
1
1
0
0
1
1
0
0
1
1
1
1
dev+
0
0
1
0
0
1
0
0
0
1
0
0
0
0
1
1
LOW
COMPANY INTERNAL
inton
0
0
0
1
0
0
1
1
1
1
1
1
1
1
1
1
ACTIVE
Mode1
int80
0
0
0
1
0
0
1
1
0
0
1
1
0
0
0
0
Adjacent channel present
Adjacent channel higher as ac
Fieldstrength lower as softmute threshold
Deviation higher as threshold DWTH
Deviation higher as threshold DTH*DWTH
ISS filter on by logic
ISS filter 80kHz (narrow)
Function
narrow
narrow
narrow
narrow
narrow
wide
wide
wide
wide
wide
mid
mid
mid
mid
mid
mid
Unauthorized reproduction and communication strictly prohibited
inton
0
0
0
1
1
0
1
1
1
1
1
1
1
1
1
1
DATE 11-May-2006
HIGH
Mode2
int80
0
0
0
1
0
0
0
1
0
1
1
1
0
1
0
1
Appendix
Function
narrow
narrow
narrow
narrow
narrow
narrow
narrow
wide
wide
wide
wide
mid
mid
mid
mid
mid
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