LT6553IGN datasheet(7/12 Pages) LINER

7 / 12 page

LT6553

6553f

EN (Pin 1): Enable Control Pin. An internal pull-up resistor

of 46k defines the pin’s impedance and will turn the part off

if the pin is unconnected. When the pin is pulled low, the

part is enabled.

DGND (Pin 2): Digital Ground Reference for Enable Pin.

This pin is normally connected to ground.

INR (Pin 3): Red Channel Input. This pin has a nominal

impedance of 400k

Ω and does not have any internal

termination resistor.

AGND (Pin 4): Analog Ground for 370

Ω Gain Resistor of

Red Channel Amplifier.

ING (Pin 5): Green Channel Input. This pin has a nominal

impedance of 400k

Ω and does not have any internal

termination resistor.

AGND (Pin 6): Analog Ground Shared for the 370

Ω Gain

Resistors of both Green and Blue Channel Amplifiers.

Additional resistance at this pin will increase the crosstalk

between the green and blue channels.

INB (Pin 7): Blue Channel Input. This pin has a nominal

impedance of 400k

Ω and does not have any internal

termination resistor.

V– (Pin 8): Negative Supply Voltage. V– pins are not

internally connected to each other, and must all be con-

nected externally. Proper supply bypassing is necessary

for best performance. See the Applications Information

section.

V– (Pin 9): Negative Supply Voltage for Blue Channel

Output Stage. V– pins are not internally connected to each

other, and must all be connected externally. Proper supply

bypassing is necessary for best performance. See the

Applications Information section.

OUTB (Pin 10): Blue Channel Output. It is twice the blue

channel input, and performs optimally with a 150

Ω load (a

double terminated 75

Ω cable).

V+ (Pin 11): Positive Supply Voltage for Output Stages of

Amplifiers B and G. V+ pins are not internally connected to

each other, and must all be connected externally. Proper

supply bypassing is necessary for best performance. See

the Applications Information section.

OUTG (Pin 12): Green Channel Output. It is twice the green

channel input, and performs optimally with a 150

Ω load (a

double terminated 75

Ω cable).

V– (Pin 13): Negative Supply Voltage for Output Stage of

Amplifiers G and R. V+ pins are not internally connected to

each other, and must all be connected externally. Proper

supply bypassing is necessary for best performance. See

the Applications Information section.

OUTR (Pin 14): Red Channel Output. It is twice the red

channel input, and performs optimally with a 150

Ω load (a

double terminated 75

Ω cable).

V+ (Pin 15): Positive Supply Voltage for Output Stage R.

V+ pins are not internally connected to each other, and

must all be connected externally. Proper supply bypassing

is necessary for best performance. See the Applications

Information section.

V+ (Pin 16): Positive Supply Voltage. V+ pins are not

internally connected to each other, and must all be con-

nected externally. Proper supply bypassing is necessary

for best performance. See the Applications Information

section.

PI FU CTIO S

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