LTC6605-7 查看數據表（PDF） - Linear Technology

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LTC6605-7

Dual Matched 7MHz Filter with Low Noise, Low Distortion Differential Amplifier

Linear Technology 

LTC6605-7

PIN FUNCTIONS

+IN4 A, –IN4 A, +IN4 B, –IN4 B (Pins 1, 5, 7, 11): Inputs

to Trimmed 400Ω Resistors. Can accept an input signal,

be floated, tied to an output pin, or connected to external

components.

+IN1 A, –IN1 A, +IN1 B, –IN1 B (Pins 2, 4, 8, 10): Inputs

to Trimmed 100Ω Resistors. Can accept an input signal,

be floated, tied to an output pin, or connected to external

components.

BIAS A, BIAS B (Pins 3, 9): Three-State Input to Select

Amplifier Power Consumption. Drive low for shutdown,

drive high for full power, leave floating for medium power.

BIAS presents an input resistance of approximately 150k

to a voltage 1.15V above V–.

V– (Pins 6, 14, 17, 20): Negative Supply. All V– pins

should be connected to the same voltage, either a ground

plane or a negative supply rail.

VOCMA, VOCMB (Pins 19, 13): The voltage applied to these

pins sets the output common mode voltage of each filter

channel. If left floating, VOCM self-biases to a voltage

midway between V+ and V–.

V+ A, V+ B (Pins 21, 15): Positive Supply for Filter Channel

A and B, Respectively. These are not connected to each

other internally.

–OUT A, +OUT A, –OUT B, +OUT B (Pins 22, 18, 16, 12):

Differential Output Pins.

Exposed Pad (Pin 23): Always tie the underlying Exposed

Pad to V–. If split supplies are used, do not tie the pad

to ground.

66057f

8

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