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BA7649 Datasheet(PDF) 4 Page - Rohm

Part # BA7649
Description  Video signal switcher
PDF  5 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BA7649 Datasheet(HTML) 4 Page - Rohm

  BA7649 Datasheet HTML 1Page - Rohm BA7649 Datasheet HTML 2Page - Rohm BA7649 Datasheet HTML 3Page - Rohm BA7649 Datasheet HTML 4Page - Rohm BA7649 Datasheet HTML 5Page - Rohm  
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4
Multimedia ICs
BA7649A / BA7649AF
•Measurement conditions
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
ICC
2
2222333
IN 1
IN 2
IN 3
IN 4
IN 5
1
2
2
2
2
2
1
2
2
2
2
2
1
2
2
2
2
2
1
2
2
2
2
2
1
3
3
2
2
∗
3
2
3
2
∗
3
3
3
3
2
IN 1
IN 2
IN 3
IN 4
IN 5
GV
GV
GV
GV
GV
1
2
2
2
2
2
1
2
2
2
2
2
1
2
2
2
2
2
1
2
2
2
2
2
1
3
3
2
2
∗
3
2
3
2
∗
3
3
3
3
2
IN1
→1N2
IN1
→1N3
IN1
→1N4
IN1
→1N5
IN2
→1N3
IN2
→1N4
IN2
→1N5
IN3
→1N4
IN3
→1N5
IN4
→1N5
CT
CT
CT
CT
CT
CT
CT
CT
CT
CT
1
1
1
1
2
2
2
2
2
2
2
2
2
2
1
1
1
2
2
2
2
2
2
2
2
2
2
1
1
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
3
2
2
∗
2
2
∗
2
∗
∗
2
3
2
∗
3
2
∗
2
∗
∗
3
3
3
2
3
3
2
3
2
2
IN 1
IN 2
IN 3
IN 4
IN 5
Gf
Gf
Gf
Gf
Gf
1
2
2
2
2
2
1
2
2
2
2
2
1
2
2
2
2
2
1
2
2
2
2
2
1
3
3
2
2
∗
3
2
3
2
∗
3
3
3
3
2
f = 1MHz,
VTH
VTH
VTH
2
2
2
2
1
2
1
2
2
2
2
2
2
2
1
1
3
∗
3
1
∗
3
3
1
Vom
Vom
Vom
Vom
Vom
f = 1kHz,
THD = 0.5%
f = 1MHz,
VIN = 1VP-P
f = 4.43MHz,
VIN = 1VP-P
VIN = 1VP-P
f = 10MHz,
CTLA
CTLB
CTLC
Parameter
Symbol
Switch settings
Measurement
method
Current dissipation
Ammeter
Maximum
output level
Note 1
Voltage gain
Note 2
Interchannel
crosstalk
Note 3
Frequency
characteristic
Note 4
Note 5
CTL pin
switching level
∗ Anywhere is possible.
Note 1: Connect a distortion meter to the output, and input a f = 1kHz sine wave. Adjust the output level until the output distortion is 0.5%.
This output voltage at this time is the maximum output level Vom (VP-P).
Note 2: Input a 1VP-P, 1MHz sine wave. The voltage gain is given by GV = 20 log (VOUT / VIN).
Note 3: Input a 1VP-P, 4.43MHz sine wave. The interchannel crosstalk is given by CT = 20 log (VOUT / VIN).
Note 4: Input 1VP-P, 1MHz and 10MHz sine waves. The frequency characteristic is given by Gf = 20 log (VOUT (f = 10MHz) / VOUT (f = 1MHz)).
Note 5: Input a 1VP-P, 1MHz sine wave. Reduce the CTL pin voltage from VCC.
The CTL pin switching level (VTH) is the CTL pin voltage at which the VOUT level drops below 20mVP-P.
•Electrical characteristic curves
INPUT VOLTAGE: VIN (VP-P)
10
9
8
7
6
5
4
3
2
1
0
012
3
4
5
6
7
8
9
10
VCC = 12V
VCC = 9V
VCC = 5V
Fig. 2 VIN vs. VOUT (f = 1kHz)
FREQUENCY: f (Hz)
– 4
100k
300k
1M
3M
10M
30M
100M
– 2
2
0
4
Fig. 3 Frequency characteristics
FREQUENCY: f (Hz)
– 80
100k
300k
1M
3M
10M
30M
100M
– 60
– 40
– 20
0
20
Fig. 4 Interchannel crosstalk



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