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參數(shù)資料
| 型號： | TDA3853T-T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | AM, VIDEO DISCRIMINATOR, PDSO20 |
| 文件頁數(shù)： | 11/18頁 |
| 文件大?。?/td> | 152K |
| 代理商： | TDA3853T-T |
January 1992
2
Philips Semiconductors
Preliminary specication
TV IF amplier and demodulator with
TV-identication
TDA3853T
FEATURES
Suitable for standards B/G (I, M, N, DK), see Table 1
Gain controlled 3-stage IF amplifier with typically
80 MHz bandwidth
High performance synchronous demodulator for
negative and positive video modulation; passive
regeneration of the reference signal
Peak-sync-related AGC
AGC output voltage take over point adjustable
High sensitive TV identification based on vertical pulse
duty cycle recognition; IDENT output
Video off switch
Sound trap buffer amplifier
Tracking generator (AFT output) with Q-demodulator
and internal 90 degree phase shifter for tracking the
reference circuit
Low supply voltage 5 V, low power consumption
GENERAL DESCRIPTION
Monolithic integrated circuit for vision IF signal processing
in TV and VTR sets.
QUICK REFERENCE DATA
ORDERING INFORMATION
Note
1. SOT163-1; 1997 January 8.
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
VP
supply voltage
4.75
5
6
V
IP
supply current
46
mA
Vi
vision IF input signal sensitivity (RMS value, pins 1-20)
70
100
V
maximum vision IF input signal (RMS value, pins 1-20)
100
mV
Gv
IF gain control range
63
66
dB
Vo CVBS
buffered CVBS output signal on pin 12 (peak-to-peak value)
1.7
2
2.3
V
B
3 dB video bandwidth (pin 12)
14
MHz
S/N
signal-to-noise ratio for video
55
60
dB
α1.1
intermodulation attenuation at yellow
53
56
dB
α3.3
60
dB
αspur
suppression of spurious harmonics of video signal
22
26
dB
Tamb
operating ambient temperature
0
70
°C
EXTENDED
TYPE NUMBER
PACKAGE
PINS
PIN POSITION
MATERIAL
CODE
TDA3853T
20
mini-pack
plastic
SOT163A
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