TDA9898HN/V2,551 NXP Semiconductors, TDA9898HN/V2,551 Datasheet - Page 37

• Manufacturer Part Number: TDA9898HN/V2,551
• Description: IC IF PROCESSOR MULTISTD 48HVQFN
• Manufacturer: NXP Semiconductors

Specifications of TDA9898HN/V2,551

• Function: IF Processor
• Rf Type: ATV, DVB, FM
• Package / Case: 48-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935283079551; TDA9898HN/V2-S; TDA9898HN/V2-S

NXP Semiconductors
Table 43.
Table 44.
Table 45.
[1]
[2]
Table 46.
Table 47.
TDA9897_TDA9898_4
Product data sheet
Bit
7
6
5
4 to 0
Bit
TOPNEG4
W9[4]
1
:
1
:
0
Bit
7
6
DAGCSLOPE
Average step size is 1.255 dB typical.
See
7
7
0
Table 53
W9 - data write register bit allocation
W9 - data write register bit description
Tuner takeover point adjustment bits W9[4:0]
W10 - data write register bit allocation
W10 - data write register bit description
Symbol
DAGCSLOPE AGCDIN input characteristic; see
TAGCIS
TAGCTC
TOPNEG[4:0] TOP adjustment for integral loop mode (TOP1); recommended for negative modulation;
Symbol
-
READTAGC
for parameter tuner takeover point accuracy (
READTAGC
TAGCIS
TOPNEG3
W9[3]
1
:
0
:
0
6
6
Description
tuner AGC IF input (TOP1)
tuner AGC charge current (TOP1)
see
Description
0 = fixed value
signal source for TAGC read-out on R2[6]
XPOTPOS
TAGCTC
1 = high voltage for high gain
0 = low voltage for high gain
1 = inverse to VIF input
0 = aligned to VIF input
1 = high
0 = normal
1 = inverse to used TAGC detector (integral or IF based)
0 = aligned to used TAGC detector (integral or IF based)
Table 45
5
5
TOPNEG2
W9[2]
1
:
0
:
0
TOPNEG4
TOPPOS4
Rev. 04 — 25 May 2009
4
4
acc(set)TOP
TOPNEG1
W9[1]
1
:
0
:
0
TOPNEG3
TOPPOS3
Figure 44
).
3
3
TDA9897; TDA9898
TOPNEG2
TOPPOS2
Multistandard hybrid IF processing
TOPNEG0
W9[0]
1
:
0
:
0
2
2
TOPNEG1
TOPPOS1
1
1
© NXP B.V. 2009. All rights reserved.
TOP adjustment
(dB V)
98.5 typical
see
79.3
see
59.6 typical
Figure 13
Figure 13
[2]
TOPNEG0
TOPPOS0
[1]
37 of 103
0
0