CS70 datasheet(7/24 Pages) STMICROELECTRONICS

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CS70

Electrical characteristics

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

test conditions unless otherwise specified.



Tamb =25 °C, Vcc+ =5V, Vcc- connected to Gnd (single-supply configuration).



Vsense =Vp-Vm =50mV, Vm = 12 V, no load on Out, all gain configurations.

Table 5. Supply

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

ICC

Total supply current

Vsense = 0 V, Tmin < Tamb < Tmax

200

360

µA

ICC1

Total supply current

Vsense = 50 mV Av = 50 V/V

Tmin < Tamb < Tmax

300

480

Table 6. Input

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

DC CMR

DC common-mode rejection

Variation of Vout versus Vicm

referred to input(1)

2.9 V< Vm < 70 V

Tmin < Tamb < Tmax

105

AC CMR

AC common-mode rejection

Variation of Vout versus Vicm

referred to input (peak-to-peak

voltage variation)

Av = 50 V/V or 100 V/V

2.9 V< Vm < 30 V

1 kHz sine wave

SVR

Supply voltage rejection

Variation of Vout versus VCC

(2)

SEL1 = Gnd, SEL2 = Gnd

2.7 V< VCC < 5.5 V

Vsense =30mV

Tmin < Tamb < Tmax

Vos

Input offset voltage(3)

Tamb = 25 C

Tmin < Tamb < Tmax

±500

±1100

µV

dVos/dT

Input offset drift vs. T

Av = 50 V/V

Tmin < Tamb < Tmax

-20

µV/°C

Ilk

Input leakage current

VCC =0 V

Tmin < Tamb < Tmax

µA

Iib

Input bias current

Vsense =0V

Tmin < Tamb < Tmax

VIL

Logic low voltage threshold

(SEL1 and SEL2)

VCCmin < VCC < VCCmax

Tmin < Tamb < Tmax

-0.3

0.5

VIH

Logic high voltage threshold

(SEL1 and SEL2)

VCCmin < VCC < VCCmax

Tmin < Tamb < Tmax

1.2

VCC

Isel

Gain-select pins (SEL1 and SEL2)

input bias current

SEL pin connected to GND or

VCC Tmin < Tamb < Tmax

400

See Section 5: Parameter definitions for the definition of CMR.

See Section 5 for the definition of SVR.

See Section 5 for the definition of Vos.

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