TDA7541B datasheet(56/77 Pages) STMICROELECTRONICS

56 / 77 page

Software specification

TDA7541B

56/77

Doc ID 16048 Rev 1

Table 29.

Addr 12 AM IF NB (AM B1h)

MSB

LSB

Function

AINENA

AM IF noise blanker disable

AM IF noise blanker enable

AINTH<4:1>

not recommended

AM IF NB Threshold 50 mV

AM IF NB Threshold 62.5 mV

AM IF NB Threshold 100 mV

AM IF NB Threshold 187.5 mV

AINT<6:5>

AM IF NB Time 8 µs

AM IF NB Time 11 µs

AM IF NB Time 14 µs

AM IF NB Time 17 µs

IFAGCS

Enable AM IFAGC threshold shift down (check address6)

Disable AM IFAGC threshold shift down

Table 30.

Addr 13 XTAL adjust(80h)

MSB

LSB

Function

XTAL<4:0>

0000

CLoad 0pF

0000

CLoad 0.75 pF

0001

CLoad 1.5 pF

0001

CLoad 2.25 pF

0010

CLoad 3 pF

1111

CLoad 22.5 pF

1111

CLoad 23.25 pF

SL<7:5>

S meter slope FM = 0.75 V/20 dB, AM = 1.61 V/20 dB

S meter slope FM = 0.80 V/20 dB, AM = 1.75 V/20 dB

S meter slope FM = 0.85 V/20 dB, AM = 1.89 V/20 dB

S meter slope FM = 0.90 V/20 dB, AM = 1.98 V/20 dB

S meter slope FM = 0.95 V/20 dB, AM = 2.04 V/20 dB

S meter slope FM = 1.0 V/20 dB, AM = 2.1 V/20 dB

S meter slope FM = 1.05 V/20 dB, AM = 2.15 V/20 dB

S meter slope FM = 1.1 V/20 dB, AM = 2.20 V/20 dB

TDA7541B Datasheet(PDF) 56 Page - STMicroelectronics

TDA7541B Datasheet(HTML) 56 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77

Datasheet Download

Link URL