參數(shù)資料
型號(hào)： TDA9885
廠商： NXP Semiconductors N.V.
英文描述： I2C-bus controlled single and multistandard alignment-free IF-PLL demodulators
中文描述： 的I2C控制的單一和多路巴士免費(fèi)中頻鎖相環(huán)解調(diào)器
文件頁(yè)數(shù)： 34/56頁(yè)
文件大?。?/td> 248K
代理商： TDA9885
2003 Oct 02
34
Philips Semiconductors
Product specification
I
2
C-bus controlled single and multistandard
alignment-free IF-PLL demodulators
TDA9885; TDA9886
Notes
1.
2.
3.
Values of video and sound parameters can be decreased at V
P
= 4.5 V.
Level headroom for input level jumps during gain control setting.
This parameter is not tested during the production and is only given as application information for designing the
receiver circuit.
Loop bandwidth BL = 70 kHz (damping factor d = 1.9; calculated with sync level within gain control range).
Calculation of the VIF-PLL filter can be done by use of the following formula:
π
1
O
K
D
C
4.
, valid for d
≥
1.2
,
where:
K
O
is the VCO steepness
or
; K
D
is the phase detector steepness
;
R is the loop resistor; C is the loop capacitor; BL
3dB
is the loop bandwidth for
3 dB; d is the damping factor.
V
i(VIF)
= 10 mV (RMS);
f = 1 MHz (VCO frequency offset related to picture carrier frequency); white picture video
modulation.
Condition: luminance range (5 steps) from 0 % to 100 %.
S/N is the ratio of black-to-white amplitude to the black level noise voltage (RMS value on pin CVBS). B = 5 MHz
(B/G, I and D/K standard). Noise analyzer setting: 200 kHz high-pass and SC-trap switched on.
The intermodulation figures are defined for:
5.
6.
7.
8.
a) f = 1.1 MHz (referenced to black and white signal) as
b) f = 3.3 MHz (referenced to colour carrier) as
I
2
C-bus transceiver (pins SDA and SCL);
notes 30 and 31
f
SCL
V
IH
V
IL
I
IH
I
IL
V
OL
I
o(sink)
I
o(source)
Output ports (pins OP1 and OP2);
note 32
SCL clock frequency
HIGH-level input voltage
LOW-level input voltage
HIGH-level input current
LOW-level input current
LOW-level output voltage
output sink current
output source current
0
3
0.3
10
10
400
V
CC
+1.5
+10
+10
0.4
10
10
kHz
V
V
μ
A
μ
A
V
μ
A
μ
A
I
OL
= 3 mA
V
P
= 0 V
V
P
= 0 V
V
OL
LOW-level output voltage
I
OL
= 2 mA (sink
current)
0.4
V
V
OH
I
o(sink)
I
o(sink/source)(max)
HIGH-level output voltage
output sink current
maximum output sink or source
current
6
2
10
V
mA
μ
A
pin OP2 functions as
VIF-AGC output
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
BL
3dB
–
2
O
K
D
R
=
d
=
rV
2
π
V
μ
A
rad
--------
α
IM
20
V
at 4.4 MHz
V
0
at 1.1 MHz
-------------------------------------
3.6 dB
+
log
=
α
IM
20
V
at 4.4 MHz
V
0
at 3.3 MHz
-------------------------------------
log
=
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA9885HN/V3 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:I2C-bus controlled single and multistandard alignment-free IF-PLL demodulators
TDA9885HN/V3,118 功能描述:調(diào)節(jié)器/解調(diào)器 TDA9885HN/HVQFN32/REEL13//V3 RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel
TDA9885HN/V3,518 功能描述:調(diào)節(jié)器/解調(diào)器 DEMODUL NEG MODULTN RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel
TDA9885HN/V3/S1,11 功能描述:調(diào)節(jié)器/解調(diào)器 DEMODUL NEG MODULTN RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel
TDA9885HN/V3/S1-T 功能描述:調(diào)節(jié)器/解調(diào)器 DEMODUL NEG MODULTN VIF AND SIF RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel
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