TDA7541B STMicroelectronics, TDA7541B Datasheet - Page 44

• Manufacturer Part Number: TDA7541B
• Description: IC TUNER AM/FM CAR RADIO 64-LQFP
• Manufacturer: STMicroelectronics

Specifications of TDA7541B

• Modulation Or Protocol: AM, FM
• Applications: Automotive Audio
• Current - Receiving: 48mA
• 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: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Frequency: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -

Software specification
5.3
44/77
Control register function
Table 15.
Register
AINENA
BWDEF
EWEXP
HCMAX
IFAGCS
ACMTH
DEEMP
HCENA
ADSEL
ACMD
AINTH
DWTH
FMON
FSWO
IFAGC
AMCF
DAGC
Name
ACTH
HCHT
ASFC
HCLT
AINT
AMD
IF1G
IF2Q
IF2A
ACF
DSB
DTH
ICP
ASI
EW
Adjacent channel detector filter select
Adjacent channel mute depth
Adjacent channel mute threshold
Adjacent channel detector threshold
Additional selectivity
AM IF noise blanker enable
AM IF noise blanking time
AM IF noise blanker threshold
Stereo decoder attenuation @ 3.5 kHz
AM VCO pre-divider
Alternative station frequency check in FM (AGC and weak signal mute on hold)
Audio signal inversion
Enables bit ISSBW for ISS bandwidth control
AM narrow band AGC threshold
Stereo decoder de-emphasis
FM demodulator spike blanker
Deviation detector threshold for ISS filter “OFF”
Deviation detector threshold for ISS filter 120 kHz
IF counter frequency error window
Expanded IF counter error window
Internal switch FM-AM mode
Weighted fieldstrength with offset adjust
High cut enable
Start level high cut
Stop level high cut
Maximum high cut depth
Charge pump current tuner PLL
IF1 Amplifier Gain
IF2 LC band pass fine adjust
IF2 LC band pass quality adjust
FM/AM IF AGC threshold
AM IFAGC threshold shift
I
2
C control bit description
Doc ID 16048 Rev 1
Function
TDA7541B