U2203B TEMIC Semiconductors, U2203B Datasheet

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U2203B

Manufacturer Part Number
U2203B
Description
U2203BRGB Video Amplifier System for Monitors
Manufacturer
TEMIC Semiconductors
Datasheet

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U2203B
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TELEFUNKEN Semiconductors
Rev. A2, 27-Jan-97
RGB Video Amplifier System for Monitors
Description
The U2203B-A is a wideband video amplifier IC system
especially designed for use in high-resolution RGB moni-
tors. The IC includes three well matched video
amplifiers, three gated differential amplifiers for black-
Features
D
D
D
3 channels, high bandwidth (90 MHz @ –3 dB)
Matched attenuators for contrast control
Black-level clamping for brightness control
CONTRAST CAP
CONTRAST CAP
G CLAMP CAP
R CLAMP CAP
B CLAMP CAP
CLAMP GATE
CONTRAST
G VIDEO IN
R VIDEO IN
B VIDEO IN
GROUND
Vin REF
Vs1
Vs1
11
12
13
14
10
1
2
3
4
5
6
7
8
9
REF
CONTRAST
1.4V
2.4V
REF
CONTROL
SUPPLY
REG.
GREEN
BLUE
RED
Figure 1. Block diagram
1k
1k
1k
level clamping and brightness control and the function for
simultaneously contrast control. Separate adjustment of
the maximum gain of each channel is also possible.
D
D
U2203B
Independent gain control of each amplifier
ESD protection according to MIL-STD. 883
90
90
90
40
40
40
95 10749
26 R CLAMP (–)
21 G CLAMP (– )
17 B CLAMP (–)
15 B CLAMP (+)
28 Vs1
27 R DRIVE
25 R VIDEO OUT
24 R CLAMP (+)
23 Vs2
22 G DRIVE
20 G VIDEO OUT
19 G CLAMP (+)
18 B DRIVE
16 B VIDEO OUT
U2203B
1 (7)

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U2203B Summary of contents

Page 1

... RGB Video Amplifier System for Monitors Description The U2203B wideband video amplifier IC system especially designed for use in high-resolution RGB moni- tors. The IC includes three well matched video amplifiers, three gated differential amplifiers for black- Features D 3 channels, high bandwidth (90 MHz @ – ...

Page 2

... U2203B Pin Description contr C 3 contr clamp in, G GND clamp in clamp Bias 12 V contr Gate 96 12388 Figure 2. Pinning Absolute Maximum Ratings Parameters Supply voltage Pins 1, 13, 28 and 23 Input voltage at all other pins ...

Page 3

... (brightness MHz 16.0 Vmax GV mid GVD GVM max GVM mid 1) GVM –30 ) BWV –3dB ) BWV –3dB P CT –50 10kHz CT 10MHz U2203B Value Unit 46 K (brightness) 24 Typ. Max. Unit 2 1.3 V 1.5 2 –0. 1.0 1.2 mA – ...

Page 4

... Black level 100 nF gate I 100 nF 93 7632 4 ( U2203B Contrast Black level control (brightness) 0 ... 12 V control Figure 3. Typical application circuit ...

Page 5

... Figure 5. Relative gain vs. frequency (no peaking), V TELEFUNKEN Semiconductors Rev. A2, 27-Jan-97 10 100 Frequency ( MHz ) = 12 V (contrast 100 Frequency ( MHz ) = variable (contrast dBrel = 17.7 dB U2203B 1000 = (brightness 1000 = (brightness (7) ...

Page 6

... U2203B 10 0 –10 –20 –30 –40 –50 – 10746 Figure 6. Rel. gain vs. frequency (optimized peaking), V Package Information Package DIP28 37.40 Dimensions in mm 36.90 33. (7) 10 100 Frequency ( MHz ) = variable (contrast dBrel = 17.7 dB 4.0 3.8 0.8 0.5 3.3 0.58 2.54 1.54 0. 1000 = (brightness 15.29 15.19 13.9 13.7 0.35 0.25 16.1 15.3 technical drawings ...

Page 7

... TEMIC against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone 7131 67 2831, Fax number 7131 67 2423 TELEFUNKEN Semiconductors Rev. A2, 27-Jan-97 unauthorized use. U2203B 7 (7) ...

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