TDA4851 查看數據表（PDF） - Philips Electronics
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TDA4851
Philips Electronics
TDA4851 Datasheet PDF : 17 Pages
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Philips Semiconductors
Horizontal and vertical deflection controller
for VGA/XGA and autosync monitors
Preliminary specification
TDA4851
Table 1 VGA modes
MODE
1
2
3
4
autosync
H / V SYNC
POLARITY
+/−
−/+
−/−
+/+
*/*
FREQUENCY H
(kHz)
31.45
31.45
31.45
fixed by external circuitry
fixed by external circuitry
FREQUENCY V NUMBER OF MODE OUTPUT
(Hz)
ACTIVE LINES
PIN 7
70
350
LOW
70
400
LOW
60
480
LOW
−
−
HIGH
−
−
forced to GND
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134)
SYMBOL
VP
V3,7
V8
Vn
I2
I3
I7
I8
Tstg
Tamb
Tj
VESD
PARAMETER
supply voltage (pin 1)
voltage on pins 3 and 7
voltage on pin 8
voltage on pins 5, 6, 9, 10, 13, 14 and 18
current on pin 2
current on pin 3
current on pin 7
current on pin 8
storage temperature range
operating ambient temperature range
maximum junction temperature
electrostatic handling for all pins (note 1)
Note to the Limiting Values
1. Equivalent to discharging a 200 pF capacitor through a 0 Ω series resistor.
THERMAL RESISTANCE
SYMBOL
Rth j-a
PARAMETER
from junction to ambient in free air
MIN.
−0.5
−0.5
−0.5
−0.5
−
−
−
−
−55
0
0
−
MAX.
16
16
7
6.5
±10
100
20
−10
+150
70
+150
±400
UNIT
V
V
V
V
mA
mA
mA
mA
°C
°C
°C
V
THERMAL RESISTANCE
65 K/W
November 1992
6
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