AM263P4 datasheet(80/168 Pages) TI2

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6.8.2 Analog to Digital Converter Characteristics

This section describes the Analog to Digital Converter electrical characteristics required to ensure proper device

operation.

6.8.2.1 Analog-to-Digital Converter (ADC)

over operating junction temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX UNIT

VREFHI

1.71

1.8

1.89

Input Conversion Range (Vin+,

Vin-)

Must be < VDDA33

32/18 × VREFHI

Power-up time

500

µs

Gain error

–5

±3

5 LSBs

Offset error

–4

±2

4 LSBs

Channel-to-channel gain error

±4

LSBs

Channel-to-channel offset error

±2

LSBs

ADC-to-ADC gain error

Same reference group

±4

LSBs

ADC-to-ADC offset error

Same reference group

±2

LSBs

DNL

Controlled environment to minimize input noise

–1

±0.5

1 LSBs

INL

Controlled environment to minimize input noise

–2

±1.0

2 LSBs

SNR

Controlled environment to minimize input noise

ENOB (Synchronous Operation)

bits

ENOB (Asynchronous Operation)

9.7

bits

ADC-to-ADC isolation

Synchronous operation

–10

10 LSBs

VREFHI input current

400

µA

Conversion time

250

Parasitic Input Capacitance (Cp)(1)

Sample/Hold Resistance (Ron)(1)

1.2

kΩ

Sample/Hold Capacitance (Ch)(1)

Input Leakage

–1.2

0.1

1.2

µA

Power supply (VDDA33)

3.13

3.3

3.46

Power supply (VDDA18)

1.71

1.8

1.89

Power Consumption (VDDA33)

200

µA

Power Consumption (VDDA18)

700

µA

Maximum ADCCLK frequency

With 50% duty cycle. Minimum pulse width must be

maintained at 7.5ns

66.667

MHz

Sample time

(1)

See ADC Input Model

AM263P4, AM263P2, AM263P4-Q1, AM263P2-Q1

SPRSP81D – OCTOBER 2023 – REVISED MAY 2025

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