TDA7540B STMicroelectronics, TDA7540B Datasheet - Page 54

• 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 24.
Table 25.
Table 26.
50/75
MSB
MSB
MSB
d7
d7
d7
0
1
0
1
d6
d6
d6
1
0
1
REVISION 1.0
Addr 13 Softmute Control 2 (continued)
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
COMPANY INTERNAL
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
ACTIVE
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
Unauthorized reproduction and communication strictly prohibited
DATE 11-May-2006
TDA7540B
page: 50/75