參數(shù)資料
型號(hào)： BA7649
廠商： Rohm CO.,LTD.
英文描述： Video signal switcher
中文描述： 視頻信號(hào)切換器
文件頁(yè)數(shù)： 4/5頁(yè)
文件大小： 65K
代理商： BA7649
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
1
2
1
2
1
2
1
3
2
3
2
3
2
3
2
IN 1
IN 2
IN 3
IN 4
IN 5
GV
1
2
1
2
1
2
1
2
1
3
2
3
2
3
2
3
2
IN1
→1N2
IN1
→1N3
IN1
→1N4
IN1
→1N5
IN2
→1N3
IN2
→1N4
IN2
→1N5
IN3
→1N4
IN3
→1N5
IN4
→1N5
CT
1
2
1
2
1
2
1
2
3
2
2
2
2
3
2
3
2
2
3
2
3
2
3
2
IN 1
IN 2
IN 3
IN 4
IN 5
Gf
1
2
1
2
1
2
1
2
1
3
2
3
2
3
2
3
2
f = 1MHz,
VTH
2
1
2
1
2
1
3
3
1
3
1
Vom
f = 1kHz,
THD = 0.5%
f = 1MHz,
VIN = 1VP-P
f = 4.43MHz,
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
OUTPUT
VOLTAGE:
V
OUT
(V
P-P
)
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)
VOLTAGE
GAIN:
C
f(dB)
FREQUENCY: f (Hz)
– 4
100k
300k
1M
3M
10M
30M
100M
– 2
2
0
4
Fig. 3 Frequency characteristics
CROSSTALK:
C
T
(dB)
FREQUENCY: f (Hz)
– 80
100k
300k
1M
3M
10M
30M
100M
– 60
– 40
– 20
0
20
Fig. 4 Interchannel crosstalk
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BA7649A 制造商:ROHM 制造商全稱:Rohm 功能描述:Video signal switcher
BA7649A/AF 制造商:未知廠家 制造商全稱:未知廠家 功能描述:マルチメディアLSI
BA7649AF 制造商:ROHM 制造商全稱:Rohm 功能描述:Single Circuit Wide Dynamic Range Video Signal Switchers
BA7649AF_1 制造商:ROHM 制造商全稱:Rohm 功能描述:Single Circuit Wide Dynamic Range Video Signal Switchers
BA7649AF-E2 功能描述:多路器開關(guān) IC ANALOG MULTIPLEXER SINGLE 5:1 14PIN RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16
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