Samsung KA2507 Datasheet
KA2507 WIDE BAND ANALOG SWITCH FOR MONITORS
ORDERING INFORMATION
WIDE BAND ANALOG SWITCH
24-SDIP-300
The device has internal switches for switching
between wideband R/G/B signals and H/V Sync.
also, has an internal Sync. Seperator.
INTRODUCTION
• Video Input Switch for High-End Color Monitor
• 5V Power Supply Voltage Operating Condition
• WideBand R/G/B Video Switch (~300 MHz)
• 0.7Vpp R/G/B Video Input (typ.)
• TTL H/V Sync. Input
• Schmitt-Trigger Input Design for H/V Sync.
• Sync. Separator for SOG (Sync On Green) Input
• 24-SDIP-300 Package
FEATURES
• Total Current: 27 mA
• f-3dB Band Width: 300 MHz
• R/G/B Voltage Gain: -1.0 dB
• R/G/B Maximum Output Level: 2.4 Vpp
Device Package Operating Temperature
KA2507 24-SDIP-300 -25 °C ~ +75 °C
• Channel Crosstalk 10 MHz: -40 dB
• Channel Crosstalk 100 MHz: -30 dB
• Input Crosstalk 10MHz: -40 dB
• Input Crosstalk 100MHz: -30 dB
1
WIDE BAND ANALOG SWITCH FOR MONITORS KA2507
BLOCK DIAGRAM
R1
GND1
G1
GND2
B1
H1
V1
R2
S1D2507B
1
R1
2
R2
3
4
5
G1
G2
6
B1
7
B2
8
Red Switch Ctrl
SW1
SW2
Green
Blue
H Sync.
Low Input → SW1 Select
High Input → SW2 Select
SOG Sync Separator
Enable SOG Block
or
or
24
SW
23
ROUT
22
VCC
21
20
19
18
17
GOUT
SOG
CSYNC
DET
BOUT
or
-
+
2.3V
H1
G2
B2
10
11
12
9
H2
V Sync.
V1
V2
GND3
GND4
Figure 1. Block Diagram
2
or
or
16
15
14
13
HOUT
VOUT
V2
H2
KA2507 WIDE BAND ANALOG SWITCH FOR MONITORS
PIN CONFIGURATIONS
Table 1. Pin Configurations
Pin No Symbol I/O Configurations
1 R1 I Red 1 Input
2 GND1 - Ground 1 (Red)
3 G1 I Green 1 Input
4 GND2 - Ground 2 (Green)
5 B1 I Blue 1 Input
6 H1 I Horizontal Sync. 1 Input
7 V1 I Vertical Sync. 1 Input
8 R2 I Red 2 Input
9 GND3 - Ground 3 (Blue)
10 G2 I Green 2 Input
11 GND4 - Ground 4 (HV, SOG, SW)
12 B2 I Blue 2 Input
13 H2 I Horizontal Sync. 2 Input
14 V2 I Vertical Sync. 2 Input
15 VOUT O Vertical Sync. Output
16 HOUT O Horizontal Sync. Output
17 BOUT O Blue Output
18 DET - Horizontal Sync. Detection & SOG Mute Cap
19 CSYNC O Composite Sync. Output
20 SOG I SOG Input
21 GOUT O Green Output
22 V
23 ROUT O Red Output
24 SW I Input 1, 2 Select Switch
CC
- Power Supply
3
WIDE BAND ANALOG SWITCH FOR MONITORS KA2507
PIN DESCRIPTION
Table 2. Pin Description
Pin No Pin Name Schematic Description
1
3
R1
G1
1.5kΩ
Video Input
5
8
10
12
B1
R2
G2
B2
PIN
50Ω
7kΩ
50Ω 1.5kΩ
• max. Level = 2.4 V
• f-3dB = 300 MHz
2 GND1 - Red Block Ground
4 GND2 - Green Block Ground
9 GND3 - Blue Block Ground
PP
11 GND4 - HV, SOG, SW Block Ground
6
7
13
14
H1
V1
H2
V2
PIN
1kΩ
50kΩ
50kΩ
Horizontal/Vertical Sync Input
• TTL Level
4
3 ~ 5 V
0 V
KA2507 WIDE BAND ANALOG SWITCH FOR MONITORS
Table 2. Pin Description (Continued)
Pin No Pin Name Schematic Description
15
16
17
21
23
VOUT
HOUT
BOUT
GOUT
ROUT
0.375kΩ
50Ω
50Ω 50Ω
30Ω
0.5kΩ
PIN
PIN
Horizontal/Vertical Sync Output
• TTL Level
4.2 V
0 V
Video Output
• Max. Level = 2.4 Vpp
18 DET
20kΩ
0.2kΩ
50Ω
PIN
H Sync Detection → SOG Mute
• CSYNC Mutable Cap Voltage
= 2.3 V ↑
5
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