AD849JR2 데이터 시트보기 (PDF) - Analog Devices

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AD849JR2

High Speed, Low Power Monolithic Op Amp

Analog Devices 

AD848/AD849

Figure 1. AD848 Inverting Amplifier Configuration

Figure 2. AD849 Inverting Amplifier Configuration

Figure 1a. AD848 Large Signal Pulse Response

Figure 2a. AD849 Large Signal Pulse Response

Figure 1b. AD848 Small Signal Pulse Response

OFFSET NULLING

The input voltage of the AD848 and AD849 are very low for

high speed op amps, but if additional nulling is required, the

circuit shown in Figure 3 can be used.

For high performance circuits it is recommended that a resistor

(RB in Figures 1 and 2) be used to reduce bias current errors by

matching the impedance at each input. The offset voltage error

caused by the input currents is decreased by more than an order

of magnitude.

Figure 2b. AD849 Small Signal Pulse Response

Figure 3. Offset Nulling

REV. B

–5–

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