STM32U375CE datasheet(160/222 Pages) STMICROELECTRONICS

160 / 222 page

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

PGA gain(1)

Non-inverting gain value

PGA_GAIN[1:0] = 01

PGA_GAIN[1:0] = 10

PGA_GAIN[1:0] = 11

Rnetwork

R2/R1 internal resistance

values in non-inverting PGA

mode(3)

PGA gain = 2

80/80

kΩ/ kΩ

PGA gain = 4

120/40

PGA gain = 8

140/20

PGA gain = 16

150/10

Delta R

Resistance variation

(R1 or R2)

-18

PGA gain error

-1

PGA BW

PGA bandwidth for different

non inverting gain

PGA gain = 2

GBW/2

MHz

PGA gain = 4

GBW/4

PGA gain = 8

GBW/8

PGA gain = 16

GBW/16

Voltage noise density

Normal mode

At 1 kHz,

output loaded with 3.9 kΩ

220

/√Hz

Low-power mode

At 1 kHz,

output loaded with 20 kΩ

350

Normal mode

At 10 kHz, output loaded with

3.9 kΩ

190

Low-power mode

at 10 kHz, output loaded with

20 kΩ

210

IDDA(OPAMP)

OPAMP consumption from

VDDA

Normal mode

no load, quiescent mode,

standard speed

130

190

µA

Low-power mode

Normal mode

no load, quiescent mode,

high-speed mode

138

205

Low-power mode

1. Evaluated by characterization. Not tested in production.

2. Mostly I/O leakage when used in analog mode. Refer to Ilkg parameter in Table 86. I/O static characteristics.

3. R2 is the internal resistance between the OPAMP output and the OPAMP inverting input. R1 is the internal resistance between the OPAMP

inverting input and ground. PGA gain = 1 + R2/R1.

STM32U375xx

Electrical characteristics

DS14861 - Rev 2

page 160/222

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