TSC1021 datasheet(5/12 Pages) STMICROELECTRONICS

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TSC1021

Electrical characteristics

Doc ID 17857 Rev 1

5/12

Electrical characteristics

The electrical characteristics given in the following tables are measured under the following

test conditions unless otherwise specified: Tamb = 25°C, VCC = 5 V, Vsense = Vp-Vm = 50 mV,

Vm = 12 V, no load on Out, all gain configurations.

Table 4.

Supply

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

ICC

Total supply current

Vsense = 0 V

-40°C < Tamb < 125°C

300

µA

ICC1

Total supply current

Vsense = 50 mV

-40°C < Tamb < 125°C

450

µA

Table 5.

Electrical performances

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

DC CMR

DC common-mode rejection

Variation of Vout versus Vm referred

to input(1)

2.8 V< Vm < 30 V

-40°C < Tamb < 125°C

105

AC CMR

AC common mode rejection

Variation of Vout versus Vm referred

to input (peak-to-peak voltage

variation)

2.8 V< Vm < 30 V

DC to 1 kHz sine wave

SVR

Supply voltage rejection

Variation of Vout versus VCC

(1)

3.5 V< VCC < 5.5 V

-40°C< Tamb < 125°C

Vos

Input offset voltage(1)

2.8 V< Vm < 30 V

Tamb = 25° C

-40°C < Tamb < 125°C

±1.5

±2.3

dVos/dT

Input offset drift vs. T

-40°C< Tamb < 125°C

µV/°C

dVout/dT

Output voltage drift vs. T

-40°C< Tamb < 125°C

100

ppm/°C

Ilk

Input leakage current

VCC = 0 V

-40°C < Tamb < 125°C

1µA

Iib

Input bias current

Vsense = 0 V

-40°C < Tamb < 125°C

7µA

Gain

(variation of Vout versus Vsense)

TSC1021A

TSC1021B

V/V

ΔVout

Total output voltage accuracy(2)

Vsense = 50 mV

Tamb = 25° C

Tmin < Tamb < Tmax

±1.5

±2.5

ΔVout

Total output voltage accuracy(2)

Vsense = 100 mV

Tamb = 25° C

Tmin < Tamb < Tmax

±1.5

±2.5

ΔVout

Total output voltage accuracy(2)

Vsense = 20 mV

Tamb = 25° C

Tmin < Tamb < Tmax

±7

±9

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