AS7058 datasheet(16/199 Pages) AMSOSRAM

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AS7058

Electrical characteristics

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DS001077 • v2-00 • 2025-Sep-24

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5.1

Power consumption

This chapter contains typical power consumption values for PPG and ECG measurements.

The measurement setup is shown in Figure 3.

Conditions: TA = 25 °C, VDVDD = 1.8 V, VAVDD = 1.8 V, VIOVDD = 1.8 V; VVCSELS = 5 V

Table 5: Typical power consumption

Symbol

Operation mode

Measurement conditions

Typ.

IVDD

Typ.

IVCSELS

Typ.

ILED

Unit

IDVDD

Supply current in

power down mode

1.80

µA

IAVDD

Supply current in

power down mode

0.15

µA

IIOVDD

Supply current in

power down mode

0.02

µA

IVCSELS

Supply current in

power down mode

0.01

µA

IPPG_25Hz

PPG current

consumption 25 Hz

Sample Rate

Standby Mode enabled; 1 LED driver

active @ 150 mA current range; 10 mA

LED active current; 1 ADC active; Single

Normal Measurement; no postprocessing

enabled; fs=25 Hz; fMOD_CLK=10 MHz;

tINTEGRATION=58 µs;

0.01

µA

Standby Mode enabled; 1 LED driver

active @ 150 mA current range; 10 mA

LED active current; 1 ADC active; Single

Normal Measurement; no postprocessing

enabled; fs=25 Hz; fMOD_CLK=10 MHz;

tINTEGRATION=117 µs;

0.01

µA

IECG_400Hz

ECG measurement

400 Hz sample rate

Standby Mode enabled; High pass

enabled; LP bypassed; Chopper INA1

enabled with 8 kHz; INA1 Gain=4; INA2

Gain = 64; IMUX Gain1, IIR filter enabled

for on chip notch filtering;

tINTEGRATION=150 µs; fs=400 Hz;

0.66

0.01

IECG_1kHz

ECG measurement

1 kHz sample rate

High pass enabled; LP bypassed;

Chopper INA1 enabled with 8 kHz; INA1

Gain=4; INA2 Gain=64; IMUX Gain1, IIR

filter enabled for on chip notch filtering;

tINTEGRATION=150 µs; fs= 1 kHz;

1.62

0.01

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