AS7038RB datasheet(13/127 Pages) AMSCO

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AS7038RB

Electrical Characteristics

Datasheet

• PUBLIC

DS000726

• v2-00 • 2021-Jun-02

126

│ 12

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

ADC sampling at 20 Hz

with 64

μs settling time

4.5

μA

ECG amplifier and

frontend (need SIGREF

enabled)

190

μA

ECG leakage

compensation

(ecg_low_leakage_en=1),

low pass filter, high pass

filter and gain stage

151

μA

Power down, no I²C

communication possible

ENABLE=GND(2)

0.5

μA

VOL

GPIO0-3,

INT, SDA

output low

voltage

With 3 mA load

With 6 mA load

0.4

0.8

VOH

GPIO0-3

output high

voltage

With 3 mA load

2.3

VDD

VIH

GPIO0-3,

SCL, SDA,

ENABLE

input high

voltage

1.25

VIL

GPIO0-3,

SCL, SDA,

ENABLE

input low

voltage

0.54

ILEAK1

GPIO0-3,

SCL, SDA,

ENABLE, INT

-1

μA

ILEAK2

VD1, VD2

VD3, VD4

-3

μA

E_f2M

Tolerance of

internal

2 MHz

oscillator

0 ºC to 70 ºC, VDD<5.0 V

-2

-30 ºC to 70 ºC

-4

ECG Amplifier and Filter

ILEAK_ECG

ECG pins

leakage

current

Lab evaluation shows

<±20 nA maximum

leakage current. Not

production tested.

±1

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