AD8222-EVAL 查看數據表（PDF） - Analog Devices

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AD8222-EVAL

Precision, Dual-Channel Instrumentation Amplifier

Analog Devices 

DRIVING CABLING

All cables have a certain capacitance per unit length, which

varies widely with cable type. The capacitive load from the cable

may cause peaking in the AD8222’s output response. To reduce

the peaking, use a resistor between the AD8222 and the cable.

Because cable capacitance and desired output response vary

widely, this resistor is best determined empirically. A good

starting point is 50 Ω.

The AD8222 operates at a low enough frequency that

transmission line effects are rarely an issue; therefore, the

resistor need not match the characteristic impedance of

the cable.

AD8222

(DIFF OUT)

AD8222

AD8222

(SINGLE OUT)

Figure 53. Driving a Cable

Rev. 0 | Page 21 of 24

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