TDA7529_11 Datasheet, PDF (44/61 Pages) STMicroelectronics – RF front-end for AM/FM DSP car-radio with IF sampling

Registers description
TDA7529
6.1.9 AGC voltage threshold (8)
Table 35. AGC voltage threshold (8)
MSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁
0
0
0
0
0
0
0
0
0
0
-
-
:
:
:
:
:
:
:
:
:
:
1
1
1
1
1
1
1
1
1
1
0
-
-
-
-
-
-
1
LSB
D₀
Function
Transfer voltage from voltage out to current out
0 _200mV
1 ^237.5mV
::
::
0 _2.5625V
1 ^2.6V
AM fast attack
- Off
On
6.1.10 Mixer alignment 1 (9)
Table 36. Mixer alignment 1 (9)
MSB
D₇ D₆ D₅ D₄ D₃ D₂
0
0
-
-
-
-
-
:
1
:
1
-
-
-
-
0
-
1
0
0
-
-
0
1
-
-
1
0
1
1
0
0
0
1
-
-
-
-
1
0
1
1
LSB
D₁ D₀
Function
IQ-filter frequency adjust
0
0 +2.4MHz
0
1 +1.8MHz
:
::
0
00
:
::
1
1 ^-1.8MHz
Cascode control loop On / Off
-
- On
Off
Mixers current control
Normal bias
-
- Low reduction
High reduction
N/A
IFAMP driving capability
Normal
-
- Intermediate 1
Intermediate 2
High
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Doc ID 13311 Rev 4