參數(shù)資料
型號： TDA8846-N2
廠商： NXP Semiconductors N.V.
英文描述： I2C-bus controlled PAL/NTSC/SECAM TV processors
中文描述： I2C總線控制的PAL / NTSC制式/ SECAM電視處理器
文件頁數(shù)： 30/68頁
文件大?。?/td> 316K
代理商： TDA8846-N2
December 16, 1997
30
Philips Semiconductors
Tentative Device Specification
I
2
C-bus controlled PAL/NTSC/SECAM TV
processors
TDA884X/5X-N2 series
Tuner take-over adjustment (via I
2
C-bus)
M.5.1
minimum starting level for tuner
take-over (RMS value)
maximum starting level for tuner
take-over (RMS value)
0.2
0.8
mV
M.5.2
40
60
mV
Tuner control output (pin 54)
M.6.1
maximum tuner AGC output
voltage
output saturation voltage
maximum tuner gain; note 2
9
V
M.6.2
minimum tuner gain;
I
O
= 2 mA
300
mV
M.6.3
maximum tuner AGC output
swing
leakage current RF AGC
input signal variation for
complete tuner control
5
mA
M.6.4
M.6.5
0.5
2
1
4
μ
A
dB
AFC
OUTPUT
(
VIA
I
2
C-
BUS
);
NOTE
14
M.7.1
M.7.2
M.7.3
AFC resolution
window sensitivity
window sensitivity in large
window mode
2
125
275
bits
kHz
kHz
V
IDEO IDENTIFICATION OUTPUT
(
VIA
I
2
C-
BUS
)
M.8.1
delay time of identification after
the AGC has stabilized on a
new transmitter
10
ms
Sound circuit
D
EMODULATOR INPUT
; (
PIN
1)
G.1.1
input limiting for PLL catching
range (RMS value)
catching range PLL
input resistance
input capacitance
AM rejection
1
2
mV
G.1.2
G.1.3
G.1.4
G.1.5
note 15
note 2
note 2
V
I
= 50 mV RMS; note 16
4.2
60
8.5
66
6.8
5
MHz
k
pF
dB
D
E
-
EMPHASIS
(
PIN
55)
G.2.1
output signal amplitude (RMS
value)
output resistance
DC output voltage
note 15
500
mV
G.2.2
G.2.3
15
3
k
V
NUMBER
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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