Multimedia ICs
•Equivalent circuits
CLAMP INPUT
Input bias current 1µA [Typ.]∗
Input clamp voltage 2.1V [VCC = 5V,Typ.]∗
BA7645N
∗ Reference value
D1
D2
Vcc
Q1 R2
100
Q2
0.8µA
100µA
OUTPUT
Vcc
Q1
D1
2mA
D2
OUT
Output impedance 20Ω [Typ.]∗
Output DC voltage 0.55V [VCC = 5V, Typ.]∗
CTLA / CTLB
Vcc
R4 20k
CTLA / B
D2
R1
R2
Q3
100
50k
R3 34k
CTLC
Vcc
R4 30k
CTLC
D2
R1
R2
Q3
100
45k
R3 29k
•Electrical characteristics (unless otherwise noted Ta = 25°C and VCC = 5V)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Operating voltage
Supply current
Maximum output level
Voltage gain
Interchannel crosstalk
VCC
4.5
ICC
—
Vom
3.0
GV
– 0.5
CT
—
Frequency characteristics Cf
CTL pin switching level A VTH-A
CTL pin switching level B VTH-B
CTL pin switching level C VTH-C
᭺Not designed for radiation resistance.
– 3.0
1.0
1.0
1.0
—
9.5
3.5
0
– 65
13.0
14.5
—
+ 0.5
—
0 + 1.0
2.0
3.0
2.0
3.0
2.0
3.0
V
—
mA
—
VP-P f = 1kHz, THD = 0.5%
dB f = 1MHz, VIN = 1.0VP-P
dB
f = 4.43MHz,
VIN = 1.0VP-P
dB
f = 10MHz / 1MHz,
VIN = 1.0VP-P
V
—
V
—
V
—
2