BA7644AN
BA7644AN is Video signal switcher manufactured by ROHM.
features a wide dynamic range, and wide operating frequency range, and is suitable for switching audio and video signals. Applications
- VCR, TV and audio signal switching
Features
- 1) 4-input / 1-output switches. 2) Built-in mute. 3) Wide operating supply voltage range (4.5V to 13.0V). 4) Low power consumption (48m W Typ.).
5) Excellent frequency characteristics (10MHz, 0d B Typ.). 6) Wide dynamic range (3.5VP-P Typ.). 7) High input impedance (20kΩ Typ.). 8) Low interchannel crosstalk (
- 65d B Typ., f = 4.43MHz).
- Absolute maximum ratings (Ta = 25°C)
Parameter Power supply voltage Power dissipation Operating temperature Storage temperature Symbol VCC Pd Topr Tstg Limits 13.5 850∗
- 25 ~ + 75
- 55 ~ + 125 Unit V m W °C °C
∗ Reduced by 8.5m W for each increase in Ta of 1°C over 25°C.
- Block diagram
MUTE
- Truth table
- A L (OPEN) L (OPEN) H H
LOGIC
- B L (OPEN) H L (OPEN) H
- C L (OPEN) L (OPEN) L (OPEN) L (OPEN) H
OUT IN1 IN2 IN3 IN4 MUTE
∗ ∗ Either "L (open)" or "H".
5 CTLC 6 IN3 7 VCC 8 IN4 9 GND 10 VOUT
∗
1 IN1
2 CTLA
3 CTLB
4 IN2
Multimedia ICs
- Equivalent circuits
CLAMP INPUT
Input bias current 1µA (Typ.)∗
Input bias voltage 3.68V (VCC = 5V, Typ.)∗
∗ Reference value
D1
OUTPUT
Vcc...
