參數(shù)資料
型號(hào)： TDA9897HL/V3
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)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(yè)數(shù)： 39/103頁(yè)
文件大小： 529K
代理商： TDA9897HL/V3
TDA9897_TDA9898_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 25 May 2009
40 of 103
NXP Semiconductors
TDA9897; TDA9898
Multistandard hybrid IF processing
12. Characteristics
12.1 Analog TV signal processing
Table 53.
Characteristics
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
Supply; pin VP
VP
supply voltage
[1] 4.5
5.0
5.5
V
IP
supply current
ATV QSS; B/G standard;
sound carrier trap on;
sound BP on
-
175
mA
Power-on reset
VP(POR)
power-on reset supply
voltage
for start of reset at
decreasing supply voltage
[2] 2.5
3.0
3.5
V
for end of reset at
increasing supply voltage;
I2C-bus transmission
enable
3.3
4.4
V
VIF amplier; pins IF1A and IF1B or pins IF2A and IF2B or pins IF3A and IF3B
VI
input voltage
-
1.95
-
V
Ri(dif)
differential input resistance
-k
Ci(dif)
differential input
capacitance
-pF
Vi(IF)(RMS)
RMS IF input voltage
lower limit at
1 dB video
output signal
-
60
100
V
upper limit at +1 dB video
output signal
150
190
-
mV
permissible overload
-
320
mV
GIF
IF gain variation
difference between picture
and sound carrier; within
AGC range;
f = 5.5 MHz
-
0.7
-
dB
GVIF(cr)
control range VIF gain
60
66
-
dB
f3dB(VIF)l
lower VIF cut-off frequency
-
15
-
MHz
f3dB(VIF)u
upper VIF cut-off frequency
-
80
-
MHz
VIF PLL and true synchronous video demodulator[5]
VLFVIF
voltage on pin LFVIF (DC)
0.9
-
3.6
V
fVCO(max)
maximum VCO frequency
fVCO =2fPC
120
140
-
MHz
fVIF
VIF frequency
--
-MHz
fVIF(dah)
digital acquisition help VIF
frequency window
related to fVIF
all standards except
M/N
-
±2.3
-
MHz
M/N standard
-
±1.8
-
MHz
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