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參數(shù)資料
| 型號： | TDA4884 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Advanced monitor video controller for OSD |
| 中文描述： | 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP20 |
| 封裝： | 0.300 INCH, PLASTIC, SOT-146-1, DIP-20 |
| 文件頁數(shù)： | 3/28頁 |
| 文件大?。?/td> | 189K |
| 代理商： | TDA4884 |
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1997 Nov 26
3
Philips Semiconductors
Product specification
Three gain control video pre-amplifier for OSD
TDA4884
1
FEATURES
85 MHz video controller
Fully DC controllable
3 separate video channels
Input black-level clamping
White level adjustment for 3 channels
Contrast control for all 3 channels simultaneously
Cathode feedback to internal reference for cut-off
control, which allows unstabilized video supply voltage
Current outputs for RGB signal currents
RGB voltage outputs to external peaking circuits
Blanking and switch-off input for screen protection
Sync on green operation possible
On Screen Display (OSD) facility.
2
GENERAL DESCRIPTION
The TDA4884 is an RGB pre-amplifier for colour monitor
systems with SVGA performance, intended for DC or AC
coupling of the colour signals to the cathodes of the CRT.
With special advantages the circuit can be used in
conjunction with the TDA485x monitor deflection IC family.
3
QUICK REFERENCE DATA
4
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
P
I
P
V
i(b-w)
positive supply voltage
supply current
input voltage (black-to-white; pins 2, 5
and 8)
output voltage (black-to-white; pins 19,
16 and 13)
output current (black-to-white; pins 20,
17 and 14)
7.2
36
8.0
48
0.7
8.8
60
1.0
V
mA
V
V
o(b-w)
nominal contrast; pins 3,
1 and 11 open-circuit
0.79
V
I
o(b-w)
70
50
85
1
100
mA
mA
MHz
dB
with peaking
3 dB
nominal contrast; pins 3,
1 and 11 open-circuit
relative to G
nom
V
i(CC)
= 1 to 6 V
V
i(CC)
= 0.7 V
B
G
nom
bandwidth
nominal gain (pins 2, 5 and 8 to pins 19,
16 and 13)
gain control difference for all channels
contrast control
minimum contrast for OSD
operating ambient temperature
G
CR
contrast
C
OSD(min)
T
amb
5
22
20
40
+2.6
+3.4
+70
dB
dB
dB
°
C
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA4884
DIP20
plastic dual in-line package; 20 leads (300 mil)
SOT146-1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA4885 | 150 MHz video controller with I2C-bus |
| TDA4886A | 140 MHz video controller with I2C-bus |
| TDA4886 | 140 MHz video controller with I2C-bus |
| TDA4887 | 160 MHz bus-controlled monitor video preamplifier |
| TDA4887PS | 160 MHz bus-controlled monitor video preamplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA4885 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| TDA4885/V2 | 制造商:NXP Semiconductors 功能描述: |
| TDA4886 | 制造商:PHILIPS-SEMI 功能描述: |
| TDA4886A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:140 MHz video controller with I2C-bus |
| TDA4887 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:160 MHz bus-controlled monitor video preamplifier |
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