Frequency (kHz)

0.1

1

10

100

1000

10000

-160

-140

-120

-100

-80

-60

-40

-20

0

D036

12

AMC1336

SBAS951 – AUGUST 2019

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Feature Description (continued)

Figure 6. Quantization Noise Shaping

The linearity and noise performance of the device are ensured only when the differential analog input voltage

remains within the specified linear full-scale range (FSR), that is ±1 V, and within the specified input common-

mode range.

Figure 7 shows the specified common-mode input voltage that applies for the full-scale input voltage range as

specified in this document along with the corresponding common-mode undervoltage and overvoltage threshold

levels.

If smaller input signals are used, the operational common-mode input voltage range widens. Figure 8 shows the

common-mode input voltage that applies with no differential input signal; that is, when the voltage applied on

AINP is equal to the voltage applied on AINN. The common-mode input voltage range scales with the actual

differential input voltage between this range and the range in Figure 7.