參數(shù)資料
型號： TDA9897HL/V3
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝： 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT313-2, LQFP-48
文件頁數(shù)： 47/103頁
文件大?。?/td> 529K
代理商： TDA9897HL/V3
TDA9897_TDA9898_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 25 May 2009
48 of 103
NXP Semiconductors
TDA9897; TDA9898
Multistandard hybrid IF processing
TAGC loop based on VIF AGC (W6[7:6] = 11); TAGC is voltage output; applicable for TV mode: positive modulation and
optional for negative modulation); see Table 47, Figure 13 and Figure 14
Vi(IF)(RMS)
RMS IF input voltage
for TOP2; at starting point
of tuner AGC takeover;
VTAGC = 3.5 V
RTOP2 =22k or
W10[5:0] = 00 0000
-
56.9
-
dB
V
RTOP2 =10k or
W10[5:0] = 01 0000
-
78.5
-
dB
V
RTOP2 =0k
-98
-
dB
V
W10[5:0] = 01 1111
-
99
-
dB
V
αacc(set)TOP2
TOP2 setting accuracy
8
-
+8
dB
αacc(set)TOP2/T TOP2 setting accuracy
variation with temperature
VTAGC = 3.5 V
-
0.03
0.07
dB/K
VO
output voltage
no tuner gain reduction
4.5
-
VP
V
maximum tuner gain
reduction
0.2
-
0.6
V
Gslip(TAGC)
TAGC slip gain offset
tuner gain voltage from
0.6 V to 3.5 V
35
8dB
TOP adjust 2; pin TOP2; IF based TAGC loop mode; see Figure 14
VTOP2
voltage on pin TOP2 (DC)
pin open-circuit
-
3.5
-
V
RI
input resistance
-
27
-
k
RTOP2
resistance on pin TOP2
adjustment of VIF AGC
based TAGC loop
W10[5] = 1; external
resistor operation
0
-
22
k
W10[5] = 0; forced
I2C-bus operation
100
-
k
Pin CTAGC
VCTAGC
voltage on pin CTAGC
[3] 0.2
-
0.55VP
V
IL
leakage current
sink or source
-
10
nA
RO
output resistance
equivalent time constant
resistance
[3] -10
-
M
Pin MPP output characteristic
General
Vsat(u)
upper saturation voltage
VP 0.8 VP 0.5
-
V
Vsat(l)
lower saturation voltage
-
0.5
0.8
V
Io(max)
maximum output current
sink or source
[3] 350
-
A
RO
output resistance
1.3
3
k
Table 53.
Characteristics …continued
VP =5V; Tamb =25 °C; see Table 24 for input frequencies; B/G standard is used for the specication (fPC = 38.375 MHz;
fSC = 32.875 MHz; PC / SC = 13 dB; fAF = 400 Hz); input level Vi(IF) = 10 mV (RMS) (sync level for B/G; peak white level
for L); IF input from 50
via broadband transformer 1 : 1; video modulation: Vestigial SideBand (VSB); residual carrier for
B/G is 10 % and for L is 3 %; video signal in accordance with “ITU-T J.63 line 17 and line 330” or “NTC-7 Composite”;
internal Nyquist slope switched on (W7[0] = 0); measurements taken in test circuit of Figure 51; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
相關(guān)PDF資料
PDF描述
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