AFS090 datasheet(141/334 Pages) MICROSEMI

141 / 334 page

Fusion Family of Mixed Signal FPGAs

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Table 2-52 • Calibrated Analog Channel Accuracy 1,2,3

Worst-Case Industrial Conditions, TJ = 85°C

Condition

Total Channel Error (LSB)

Analog

Pad

Prescaler Range (V)

Input Voltage4 (V)

Negative Max.

Median

Positive Max.

Positive Range

ADC in 10-Bit Mode

AV, AC

0.300 to 12.0

–6

0.250 to 8.00

–6

0.200 to 4.00

–7

–1

0.150 to 2.00

–7

0.050 to 1.00

–6

–1

0.300 to 16.0

–5

0.100 to 4.00

–7

–1

Negative Range

ADC in 10-Bit Mode

AV, AC

–0.400 to –10.5

–7

–0.350 to –8.00

–7

–1

–0.300 to –4.00

–7

–2

–0.250 to –2.00

–7

–2

–0.050 to –1.00

–16

–1

Notes:

1. Channel Accuracy includes prescaler and ADC accuracies. For 12-bit mode, multiply the LSB count by 4. For 8-bit

mode, divide the LSB count by 4. Overall accuracy remains the same.

2. Requires enabling Analog Calibration using SmartGen Analog System Builder. For further details, refer to the

"Temperature, Voltage, and Current Calibration in Fusion FPGAs" chapter of the

Fusion FPGA Fabric User’s Guide.

3. Calibrated with two-point calibration methodology, using 20% and 80% full-scale points.

4. The lower limit of the input voltage is determined by the prescaler input offset.

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