TSC102 datasheet(5/24 Pages) STMICROELECTRONICS

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TSC102

Electrical characteristics

Doc ID 16754 Rev 2

5/24

Electrical characteristics

Unless otherwise specified, the electrical characteristics given in the following tables have

been measured under the following test conditions.

●

Tamb =25° C, VCC =5V, Vsense =Vp-Vm =50mV, Vm =12V.

●

No load on Out pin.

●

Signal conditioning amplifier used as a buffer (pin A3 connected to pin Out and pin A1

connected to pin A2).

Table 4.

Supply

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

ICC

Total supply current

Vsense = 0 V, pin A1 open, pin

A2 shorted to Gnd

Tmin < Tamb < Tmax

240

420

µA

ICC1

Total supply current

Vsense = 50 mV, pin A1

connected to pin A2

Tmin < Tamb < Tmax

420

700

µA

Table 5.

Current sensing amplifier input stage

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

CMR1

DC common mode rejection

Variation of Va1 versus Vicm

referred to input(1)

2.8 V < Vm < 30 V

-40° C < Tamb < 150° C

100

AC CMR1

AC common mode rejection

Variation of Va1 versus Vicm

referred to input (peak-to-peak

voltage variation)

2.8 V< Vm < 30 V

1kHz sine wave

2.8 V < Vm < 30 V

10 kHz sine wave

SVR1

Supply voltage rejection

Variation of Va1 versus VCC

(2)

3.5 V< VCC < 5.5 V

-40° C < Tamb < 125° C

Vos

Input offset voltage(3)

Tamb =25° C

-40° C < Tamb < 125° C

±1.5

±2.3

dVos/dT

Input offset drift versus T

-40° C < Tamb < 125° C

±3

±8

µV/°C

Ilk

Input leakage current

VCC =0V

Tmin < Tamb < Tmax

1µA

Iib

Input bias current

Vsense =0V

Tmin < Tamb < Tmax

µA

See Chapter 6: Parameter definitions on page 12 for the definition of CMR.

See Chapter 6 for the definition of SVR.

See Chapter 6 for the definition of Vos.

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