KA2507
WIDE BAND ANALOG SWITCH FOR MONITORS
1
WIDE BAND ANALOG SWITCH
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
Channel Crosstalk 10 MHz: -40 dB
Channel Crosstalk 100 MHz: -30 dB
Input Crosstalk 10MHz: -40 dB
Input Crosstalk 100MHz: -30 dB
24-SDIP-300
ORDERING INFORMATION
Device
Package
Operating Temperature
KA2507
24-SDIP-300
-25
C ~ +75
C
WIDE BAND ANALOG SWITCH FOR MONITORS
KA2507
2
BLOCK DIAGRAM
Figure 1. Block Diagram
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
or
or
or
R1
R2
G1
G2
B1
B2
H1
H2
V1
V2
V Sync.
H Sync.
Blue
Green
Red
Switch Ctrl
SW1
SW2
or
or
SOG Sync Separator
SW
ROUT
VCC
GOUT
SOG
CSYNC
DET
BOUT
HOUT
VOUT
V2
H2
R1
GND1
G1
GND2
B1
H1
V1
R2
GND3
G2
GND4
B2
S1D2507B
Low Input
SW1 Select
High Input
SW2 Select
2.3V
-
+
Enable SOG Block
KA2507
WIDE BAND ANALOG SWITCH FOR MONITORS
3
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
CC
-
Power Supply
23
ROUT
O
Red Output
24
SW
I
Input 1, 2 Select Switch
WIDE BAND ANALOG SWITCH FOR MONITORS
KA2507
4
PIN DESCRIPTION
Table 2. Pin Description
Pin No
Pin Name
Schematic
Description
1
3
5
8
10
12
R1
G1
B1
R2
G2
B2
Video Input
max. Level = 2.4 V
PP
f-3dB = 300 MH z
2
GND1
-
Red Block Ground
4
GND2
-
Green Block Ground
9
GND3
-
Blue Block Ground
11
GND4
-
HV, SOG, SW Block Ground
6
7
13
14
H1
V1
H2
V2
Horizontal/Vertical Sync Input
TTL Level
PIN
50
1.5k
7k
50
1.5k
PIN
1k
50k
50k
3 ~ 5 V
0 V
KA2507
WIDE BAND ANALOG SWITCH FOR MONITORS
5
15
16
VOUT
HOUT
Horizontal/Vertical Sync Output
TTL Level
17
21
23
BOUT
GOUT
ROUT
Video Output
Max. Level = 2.4 Vpp
18
DET
H Sync Detection
SOG Mute
CSYNC Mutable Cap Voltage
= 2.3 V
Table 2. Pin Description (Continued)
Pin No
Pin Name
Schematic
Description
PIN
0.375k
50
4.2 V
0 V
50
50
30
0.5k
PIN
PIN
50
0.2k
20k
WIDE BAND ANALOG SWITCH FOR MONITORS
KA2507
6
19
CSYNC
Composite Sync Output
Separated from SOG
TTL Level
20
SOG
Sync on Green Input
Video + Sync = 1 V
PP
22
V
CC
-
Power Supply
24
SW
Switch Input
TTL Level Input
Low
Input1 Select
High
Input2 Select
Table 2. Pin Description (Continued)
Pin No
Pin Name
Schematic
Description
50
PIN
0.375k
4.2 V
0 V
100
100
50k
50k
PIN
0.7 V
0.3 V
50k
50k
1k
PIN
3~ 5 V
0 V
KA2507
WIDE BAND ANALOG SWITCH FOR MONITORS
7
ABSOLUTE MAXIMUM RATINGS
(Ta = 25
C)
(1)
THERMAL & ESD PARAMETER
Table 3. Absolute Maximum Ratings
No
Item
Symbol
Value
Unit
Min
Typ
Max
1
Maximum Supply Voltage
Vccmax
-
-
7
V
2
Operating Temperature
(2)
Topr
-25
-
75
C
3
Storage Temperature
Tstg
-65
-
150
C
4
Operating Supply Voltage
Vccop
4.5
5.0
5.5
V
(3)
5
Maximum Power Dissipation
Pdmax
-
-
0.42
W
Table 4. Thermal & ESD Parameter
No
Item
Symbol
Value
Unit
Min
Typ
Max
1
Thermal Resistance
(Junction-ambient)
ja
-
83
-
C/W
2
Junction Temperature
Tj
-
110
-
C
3
Human Body Model
(C = 100 p, R = 1.5 k)
HBM
2
-
-
KV
4
Machine Model
(C = 200 p, R = 0)
MM
300
-
-
V
5
Charge Device Model
CDM
800
-
-
V
WIDE BAND ANALOG SWITCH FOR MONITORS
KA2507
8
ELECTRICAL CHARACTERISTICS
SWITCH CONTROL ELECTRICAL CHARACTERISTICS
Ta = 25
C, V
CC
= 5 V; Unless Otherwise Stated
RGB VIDEO SWITCH ELECTRICAL CHARACTERISTICS
Ta = 25
C, VCC = 5 V; Unless Otherwise Stated
Table 5. Switch Control Electrical Characteristics
Parameter
Conditions
Symbol
Min
Typ
Max
Unit
Supply Current
V24 = 0, 5V
ICC
15
27
35
mA
Maximum Supply Current
V22 = 7V, V24 = 0, 5V
ICCmax
30
45
60
mA
Switch Low Input Voltage
V24 = 2V
OV
V6. 7 = 5V, V13. 14 = 0V
VL24
1.2
1.7
-
V
Switch High Input Voltage
V24 = 0V
2V
V6. 7 = 5V, V13. 14 = 0V
VH24
-
1.5
1.8
V
Switch Low Input Current
V24 = 0V
IL24
-5.0
-1.0
-
A
Switch High Input Current
V24 = 5V
IH24
80
100
120
A
Table 6. RGB Video Switch Electrical Characteristics
Parameter
Conditions
Symbol
Min
Typ
Max
Unit
Input Voltage
(RGB Input Pin DC)
V24 = 0, 5V
Vi
3.2
3.5
3.8
V
Output Voltage
(RGB Output Pin DC)
V24 = 0, 5V
Vo
1.4
1.9
2.4
V
Voltage Gain
V24 = 0V, V1. 3. 5 = S1(1 MHz)
V24 = 5 V, V8. 10. 12 = S1(1 MHz)
Av
-1.0
-0.5
-
dB
Voltage Gain Difference
V24 = 0V, V1. 3. 5 = S1(1 MHz)
V24 = 5V, V8. 10. 12 = S1(1 MHz)
Av
-0.2
-
0.2
dB
Voltage Gain 100 MHz
V24 = 0V, V1. 3. 5 = S2 (100 MHz)
V24 = 5V, V8. 10. 12 = S2 (100 MHz)
Av'
-2.0
-1.0
-
dB
Voltage Gain Difference
100 MHz
V24 = 0V, V1. 3. 5 = S2 (100 MHz)
V24 = 5V, V8. 10. 12 = S2 (100 MHz)
Av'
-0.2
-
0.2
dB
f - 3dB Bandwidth
V24 = 0V, V1. 3. 5 = S2
V24 = 5V, V8. 10. 12 = S2
f - 3dB
300
350
-
MHz
input crosstalk 10 MHz
V24 = 0V, V8. 10. 12 = S2 (10 MHz)
V24 = 5V, V1. 3. 5 = S2 (10 MHz)
CT1
-
-50
-40
dB
Input Crosstalk 100 MHz
V24 = 0V, V8. 10. 12 = S2 (100 MHz)
V24 = 5V, V1. 3. 5 = S2 (100 MHz)
CT1'
-
-40
-30
dB
KA2507
WIDE BAND ANALOG SWITCH FOR MONITORS
9
HV SYNC SWITCH ELECTRICAL CHARACTERISTICS
Ta = 25
C, V
CC
= 5V; Unless Otherwise Stated
Channel Crosstalk 10 MHz
V24 = 0V, V3 = S2 (10 MHz)
V24 = 5 V, V10 = S2 (10 MHz)
CTC
-
-50
-40
dB
Channel Crosstalk 100 MHz
V24 = 0V, V3 = S2 (100 MHz)
V24 = 5V, V10 = S2 (100 MHz)
CTC'
-
-40
-30
dB
Rise Time
V24 = 0V, V1. 3. 5 = S3
V24 = 5 V, V8. 10. 12 = S3
Tr
-
1.0
1.2
nS
Fall Time
V24 = 0V, V1. 3. 5 = S3
V24 = 5V, V8. 10. 12 = S3
Tf
-
1.0
1.2
nS
Table 7. HV Sync Switch Electrical Characteristics
Parameter
Conditions
Symbol
Min
Typ
Max
Unit
Low Output Voltage
(HV Output Pin DC)
V24 = 0V, V6. 7 = 0V
V24 = 5 V, V13. 14 = 0V
VL
-
0.1
0.2
V
High Output Voltage
(HV Output Pin DC)
V24 = 0V, V6. 7 = 5V
V24 = 5V, V13. 14 = 5V
VH
3.9
4.2
-
V
Low Input Voltage
(HV Input Pin DC)
V24 = 0V, V6. 7 = 3V
0V
V24 = 5V, V13. 14 = 3V
0V
ViL
1.2
1.5
1.8
V
High Input Voltage
(HV Input Pin DC)
V24 = 0V, V6. 7 = 0V
3V
V24 = 5V, V13. 14 = 0V
3V
ViH
2.2
2.5
2.8
V
Low Input Current
V24 = 0V, V6. 7 = 0V
V24 = 5V, V13. 14 = 0V
IL
-5.0
-1.0
-
uA
High Input Current
V24 = 0V, V6. 7 = 5V
V24 = 5V, V13. 14 = 5V
IH
80
100
120
uA
Rise Time
V24 = 0V, V6. 7 = S4
V24 = 5V, V13. 14 = S4
Tr
-
20
40
nS
Fall Time
V24 = 0V, V6. 7 = S4
V24 = 5V, V13. 14 = S4
Tf
-
10
20
nS
Rise Delay Time
V24 = 0V, V6. 7 = S4
V24 = 5V, V13. 14 = S4
Trd
-
50
80
nS
Fall Delay Time
V24 = 0V, V6. 7 = S4
V24 = 5V, V13. 14 = S4
Tfd
-
30
50
nS
Table 6. RGB Video Switch Electrical Characteristics (Continued)
Parameter
Conditions
Symbol
Min
Typ
Max
Unit
WIDE BAND ANALOG SWITCH FOR MONITORS
KA2507
10
SOG SYNC SEPARATOR ELECTRICAL CHARACTERISTICS
Ta = 25
C, V
CC
= 5 V; Unless Otherwis Stated
NOTES:
1. Absolute Maximum Rating Indicates limit beyond which damage to the device may occur.
2. Operating Ratings indicate conditions for which the device is functional but do not guarantee specific performance limits.
For guaranteed specifications and test conditions, See the Electrical Characteristics. The guaranteed specifications
apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated
under the listed test conditions.
3.
V
CC
supply pin22 must be externally wired to gether to prevent internal damage during V
CC
power on/off cycles.
Table 8. SOG Sync Separator Electrical Characteristics
Parameter
Conditions
Symbol
Min
Typ
Max
Unit
SOG Low Output Voltage
V20 = S5 (30 kHz, Pw = 3
S)
VL19
-
0.1
0.2
V
SOG High Output Voltage
V20 = S5 (30 kHz, Pw = 3
S)
VH19
3.9
4.2
-
V
SOG Rise Time
V20 = S5 (30 kHz, Pw = 3
S)
Tr_sog
-
20
40
nS
SOG Fall Time
V20 = S5 (30 kHz, Pw = 3
S)
Tf_sog
-
10
20
nS
SOG Rise Delay Time
V20 = S5 (30 kHz, Pw = 3
S)
Trd_sog
-
70
100
nS
SOG Fall Delay Time
V20 = S5 (30 kHz, Pw = 3
S)
Tfd_sog
-
50
80
nS
SOG Min Pulse Width 1
(f = 20 kHz, Video Black)
V20 = S5
(20 kHz, 150mV,
Pw = 2
S
0
S )
PWmin 1
-
0.5
2.5
uS
SOG Min Pulse Width 2
(f = 200 kHz, Video Black)
V20 = S5
(200 kHz, 150mV,
Pw = 0.2
S
0
S )
PWmin 2
-
0.05
0.25
uS
SOG Min Pulse Width 1'
(f = 20 kHz, Video White)
V20 = S6
(20 kHz, Sync = 150mV,
Pw = 2
S
0
S )
PWmin 1'
-
0.5
2.5
uS
SOG Min Pulse Width 2'
(f = 200 kHz, Video White)
V20 = S6
(200 kHz, Sync = 150mV,
Pw = 0.2
S
0
S )
PWmin 2'
-
0.05
0.25
uS
SOG Min Separatable Level 1
(f = 20 kHz, Video Black)
V20 = S5
(20 kHz, Pw = 2
S,
Sync = 0.3V
0V)
VSmin 1
-
50
100
mV
SOG Min Separatable Level 2
(f = 200 kHz, Video Black)
V20 = S5
(200 kHz, Pw = 0.2
S,
Sync = 0.3V
0V)
VSmin 2
-
50
100
mV
SOG Min Separatable Level 1'
(f = 20 kHz, Video White)
V20 = S6
(20 kHz, Pw = 2
S,
Sync = 0.3V
0V)
VSmin 1'
-
50
100
mV
SOG Min Separatable Level 2'
(f = 200 kHz, Video White)
V20 = S6
(200 kHz, Pw = 0.2
S,
Sync = 0.3V
0V)
VSmin 2'
-
50
100
mV
KA2507
WIDE BAND ANALOG SWITCH FOR MONITORS
11
TEST CIRCUIT
TEST METHODS
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
S1D2507B
SW
ROUT
GOUT
SOG
CSYNC
BOUT
HOUT
VOUT
V2
H2
R1
G1
B1
H1
V1
R2
G2
B2
0.01uF
4.7uF
0.01uF
0.01uF
4.7uF
4.7uF
0.01uF
0.01uF
0.01uF
4.7uF
4.7uF
4.7uF
50
50
50
50
50
50
0.01uF
47uF
0
.
0
1
u
F
47uF
V
CC
= 5 V
47uF
1uF
470K
Oscilloscope
50
Oscilloscope
50
Oscilloscope
50
TEST POSITION
S1D2507B01
R/G/B/H/V
Output
WIDE BAND ANALOG SWITCH FOR MONITORS
KA2507
12
TEST SIGNAL FORMAT
Table 9. Test Signal Format
SG No.
Input Signals
S1
Sine Wave
Frequency = 1 MHz
Amplitude = 0.7 V
PP
, Var.
S2
Sine Wave
Frequency = Var.
Amplitude = 0.7 V
PP
S3
Square Wave
Frequency = 200 kHz
Amplitude = 0.7 V
PP
Duty = 50%
S4
Square Wave
Frequency = 200 kHz
Low/High Level = 0V/5V
Duty = 50%
S5
Pulse
Frequency = Var.
Duty = Var.
Vsync = Var.
S6
Sync on Green
Frequency = Var.
Duty = Var.
Vsync = Var.
0.7 VPP
0.7 VPP
0.7 VPP
0 V
5 V
0.3 VPP
Vsync
25% of Frequecy
1 VPP
Duty
Frequency
KA2507
WIDE BAND ANALOG SWITCH FOR MONITORS
13
APPLICATION BOARD CIRCUIT
Figure 2. Application Board Circuit
33
R2 IN
100
G2 IN
B2 IN
H2 IN
V2 IN
SW
24
VCC
22
GOUT
21
SOG
20
DET
18
BOUT
17
HOUT
16
VOUT
15
CSYNC
19
H2
13
V2
14
R1
1
GND1
2
G1
3
GND2
4
B1
5
H1
6
V1
7
R2
8
GND3
9
G2
10
GND4
11
B2
12
ROUT
23
KA2507
470K
+
47uF
+
1uF 63V MP
100
100
100
75
+
47uF
33
75
+
47uF
33
75
+
47uF
33
75
+
47uF
33
75
+
47uF
33
75
+
47uF
100
100
100
0.01uF
VCC=5V
+
47uF
0.01uF
+
47uF
6
1
11
7
2
12
8
3
13
9
4
14
10
5
15
INPUT1
DSUB1
GOUT
SW
SOG
10K
CSYNC
ROUT
VOUT
BOUT
HOUT
S1D2507B
WIDE BAND ANALOG SWITCH FOR MONITORS
KA2507
14
TYPICAL APPLICATION CIRCUIT
Figure 3. Typical Application circuit
+
10uF
+
100uF
0.1uF
33
+
100uF
0.1uF
0.1uF
+
100uF
390
33
R2 IN
100
100
0.1uF
33
+
47uF
0.1uF
100
100
100
G2 IN
B2 IN
H2 IN
V2 IN
H1 IN
V1 IN
VCC
GND
GOUT
GND
ROUT
RIN
VEE
GIN
BIN
GND
BOUT
390
390
0.1uF
0.1uF
0.1uF
+
100uF
27
0.1uF
+
100uF
0.1uF
27
0.1uF
27
0.1uF
75K
2.2K
KSP92
KSP42
75K
+
1uF
100V
+
0.47uF
50V
BAV21
75K
2.2K
KSP92
KSP42
75K
+
1uF
100V
+
0.47uF
50V
BAV21
75K
2.2K
KSP92
KSP42
75K
+
1uF
100V
+
0.47uF
50V
To Cathode
100
100
B Out
G Out
R Out
BAV21
B/U
28
ROUT
26
GCLP
25
GOUT
24
GND3
22
BOUT
21
BCLP
20
BLK
19
VCC3
23
RCT
17
BCT
15
CLP
18
GCT
16
SCL
13
ROSD
1
GOSD
2
BOSD
3
VI/OSD_SW
4
RIN
5
VCC1
6
GND1
7
GIN
8
VCC2
9
BIN
10
GND(L)
11
ABL
12
SDA
14
RCLP
27
KA2500
33
33
33
33
R1 IN
G1 IN
B1 IN
+
10uF
33
0.1uF
100
VCC=12V
75V
75V
75V
75V
12V
12V
12V
SW
24
VCC
22
GOUT
21
SOG
20
DET
18
BOUT
17
HOUT
16
VOUT
15
CSYNC
19
H2
13
V2
14
R1
1
GND1
2
G1
3
GND2
4
B1
5
H1
6
V1
7
R2
8
GND3
9
G2
10
GND4
11
B2
12
ROUT
23
KA2507
470K
+
10uF
33
33
100
INPUT1
INPUT2
75
+
47uF
33
75
+
47uF
33
75
+
47uF
33
75
+
47uF
33
75
+
47uF
33
75
+
47uF
100
100
100
12V
12V
0.01uF
VCC=5V
+
47uF
0.01uF
+
47uF
100
SW
BLK
CLP
B/U
SCL
SDA
BOSD
GOSD
CSYNC
VI/OSD SW
ROSD
ABL
HOUT
VOUT
+
1uF 63V MP
470pF 50V MO
S1D2500A
S1D2507B
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