STM32WLE4JC datasheet(117/146 Pages) STMICROELECTRONICS

117 / 146 page

DS13105 Rev 9

117/146

STM32WLE5/E4xx

Electrical characteristics

133

Offset error

VDDA = VREF+ = 3 V, fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C

1.5

LSB

2 V < VDDA, VREF+ < 3.6 V,

fADC = 35 MHz; fs ≤ 2.5 Msps, TA = entire range

-1.5

4.5

1.62 V < VDDA = VREF+ < 3.6 V, TA = entire range

Range 1: fADC = 35 MHz, fs ≤ 2.2 Msps

Range 2: fADC = 16 MHz, fs ≤ 1.1 Msps

-1.5

5.5

Gain error

VDDA = VREF+ = 3 V, fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C

3.5

LSB

2 V < VDDA, VREF+ < 3.6 V,

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

-3

1.62 V < VDDA = VREF+ < 3.6 V, TA = entire range

Range 1: fADC = 35 MHz, fs ≤ 2.2 Msps

Range 2: fADC = 16 MHz, fs ≤ 1.1 Msps

-3

6.5

Differential

linearity error

VDDA = VREF+ = 3 V, fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C

1.2

1.5

LSB

2 V < VDDA, VREF+ < 3.6 V,

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

-1.2

1.5

1.62 V < VDDA = VREF+ < 3.6 V,TA = entire range

Range 1: fADC = 35 MHz, fs ≤ 2.2 Msps

Range 2: fADC = 16 MHz, fs ≤ 1.1 Msps

-1.2

1.5

Integral

linearity error

VDDA = VREF+ = 3 V, fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C

2.5

LSB

2 V < VDDA, VREF+ < 3.6 V,

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

-2.5

1.62 V < VDDA = VREF+ < 3.6 V, TA = entire range

Range 1: fADC = 35 MHz, fs ≤ 2.2 Msps

Range 2: fADC = 16 MHz, fs ≤ 1.1 Msps

-2.5

3.5

ENOB

Effective

number of

bits

VDDA = VREF+ = 3 V, fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C 10.1 10.2

bit

2 V < VDDA, VREF+ < 3.6 V,

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

9.6

10.2

1.62 V < VDDA = VREF+ < 3.6 V, TA = entire range

Range 1: fADC = 35 MHz, fs ≤ 2.2 Msps

Range 2: fADC = 16 MHz, fs ≤ 1.1 Msps

9.5

10.2

SINAD

Signal-to-

noise and

distortion

ratio

VDDA = VREF+ = 3 V, fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C 62.5 63

2 V < VDDA, VREF+ < 3.6 V,

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

59.5

1.62 V < VDDA = VREF+ < 3.6 V, TA = entire range

Range 1: fADC = 35 MHz, fs ≤ 2.2 Msps

Range 2: fADC = 16 MHz, fs ≤ 1.1 Msps

SNR

Signal-to-

noise ratio

VDDA = VREF+ = 3 V, fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C

2 V < VDDA, VREF+ < 3.6 V,

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

1.62 V < VDDA = VREF+ < 3.6 V, TA = entire range

Range 1: fADC = 35 MHz, fs ≤ 2.2 Msps

Range 2: fADC = 16 MHz, fs ≤ 1.1 Msps

Table 79. ADC accuracy(1)(2)(3) (continued)

Symbol

Parameter

Conditions(4)

Min Typ Max Unit

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