Datasheet > PS25102

PS25102

更新时间： 2022-02-26 13:59:43

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EPIC Ultra High Impedance ECG Sensor

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PS25102 数据手册

PS25102

EPIC Ultra High Impedance ECG Sensor

Advance Information

Data Sheet 291801 Issue 1

FEATURES

Ordering Information

•

Ultra high input resistance, typically 2x10¹⁰Ω

Dry-contact capacitive coupling

PS25102

Custom package

Input capacitance as low as 10pF

Upper -3dB point typically 10kHz

Lower -3dB point typically 100mHz

Operates with single +4.75V to 8.0V supply

0°C to +50°C

Plessey Semiconductors Electric Potential

Integrated Circuit (EPIC) product line

targets a range of applications.

Sensors supplied as custom engineered probe assemblies

complete with connecting lead and DIN plug termination

The PS25102 is an ultra high impedance

solid state ECG (electrocardiograph)

sensor. It can be used as a dry contact

ECG sensor without the need for

potentially dangerous low impedance

circuits across the heart. The resolution

available is as good as or better than

conventional wet electrodes.

APPLICATIONS

•

Non-critical patient monitoring equipment

Emergency response diagnostics

Lifestyle sports and health products

Suitable for long-term and remote monitoring

The

device

uses

active

feedback

techniques to both lower the effective input

capacitance of the sensing element (Cin)

and boost the input resistance (Rin). These

techniques are used to realise a sensor

with a frequency response suitable for both

diagnostic

and

monitoring

ECG

applications. The total voltage gain of the

system is a function of both the input

coupling capacitance (variable) and the

internal sensor configuration.

Fig. 1 Internal circuit and image of EPIC ECG Sensor

Data Sheet 291801issue 1

Plessey Semiconductors Ltd.

Design & Technology Centre, Delta 500, Delta Business Park, Great Western Way, Swindon, UK SN5 7XE

Tel: +44 1793 518000 Fax: +44 1793 518030 Web: www.plesseysemi.com

12 3 4 5

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