MC56F81663 datasheet(60/73 Pages) NXP

60 / 73 page

Table 31. Comparator and 8-bit DAC electrical specifications (continued)

Symbol

Description

Min.

Typ.

Max.

Unit

IDAC8b

8-bit DAC current adder (enabled)

—

μA

Vreference

8-bit DAC reference inputs, Vin1 and Vin2

There are two reference input options selectable (via

VRSEL control bit). The reference options must fall

within this range.

—

VDD

—

INL

8-bit DAC integral non-linearity

–1

—

LSB5

DNL

8-bit DAC differential non-linearity

–1

—

LSB

1. Measured with input voltage range limited to 0.7≤Vin≤VDD-0.8

2. Measured with input voltage range limited to 0 to VDD

3. Input voltage range: 0.1VDD≤Vin≤0.9VDD, step = ±100mV, across all temperature. Does not include PCB and PAD delay.

4. Comparator initialization delay is defined as the time between software writes to change control inputs (Writes to DACEN,

VRSEL, PSEL, MSEL, VOSEL) and the comparator output settling to a stable level.

5. 1 LSB = Vreference/256

000.00E+00

50.00E-03

100.00E-03

150.00E-03

200.00E-03

250.00E-03

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3 3.1 3.2

Vin Level (V)

hystCR

Figure 12. Typical hysteresis vs. Vin level (VDD = 3.3 V, PMODE = 0)

000.00E+00

50.00E-03

100.00E-03

150.00E-03

200.00E-03

250.00E-03

300.00E-03

350.00E-03

400.00E-03

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3 3.1 3.2

Vin Level (V)

hystCR

Figure 13. Typical hysteresis vs. Vin level (VDD = 3.3 V, PMODE = 1)

System modules

MC56F81xxx, Rev. 1.1, 12/2020

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