L9963E datasheet(41/184 Pages) STMICROELECTRONICS

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The best performances in terms of differential noise attenuation can be achieved by choosing the longest

TCYCLEADC_XXX among the valid ones.

4.4.1

Electrical parameters

All parameters are tested and guaranteed in the following conditions, unless otherwise noted:

9.6 V < VBAT < 64 V; -40 °C < Tambient < 105 °C; Shift between AGND, DGND, CGND, GNDREF below +/-100

Table 39. Cell voltage ADC electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VCELL

Cell Voltage Input Measurement Range

Design info

C(n), n=1-14

0.1

VCELLRES

Cell Voltage Measurement Resolution

Design info

μV

ICELL_LEAK

Cn leakage current

C(n), n=1-14

|C(n) – C(n-1)| < 6V

300

VCELLERR0

Accuracy

VBAT = C14

C0 = GND

0.1V ≤ VCELL < 0.3 V

-40 °C < TJ < 125 °C

-10

VCELLERR1

0.3 V ≤ VCELL < 0.5 V

-40 °C < TJ < 125 °C

-5

VCELLERR2

0.5 V ≤ VCELL ≤ 5 V

105 °C < TJ < -125 °C

-6

VCELLERR3

0.5 V ≤ VCELL < 3.2 V

-40 °C < TJ < 105 °C

-1

VCELLERR4

3.2 V ≤ VCELL ≤ 4.3 V

-40 °C < TJ < 105 °C

-1.4

1.4

VCELLERR5

4.3 V ≤ VCELL ≤ 4.7 V

-40 °C < TJ < 105 °C

-1.6

1.6

VCELLERR6

4.7 V ≤ VCELL ≤ 5 V

-40 °C < TJ < 105 °C

-5

VCELLERR0

Accuracy + Drift(1)

VBAT = C14

C0 = GND

0.1V ≤ VCELL < 0.3 V

-40 °C < TJ < 125 °C

-10

VCELLERR1

0.3 V ≤ VCELL < 0.5 V

-40 °C < TJ < 125 °C

-5

VCELLERR2

0.5 V ≤ VCELL ≤ 5 V

105 °C < TJ < -125 °C

-7

VCELLERR3

0.5 V ≤ VCELL < 3.2 V

-40 °C < TJ < 105 °C

-1.4

1.4

VCELLERR4

3.2 V ≤ VCELL ≤ 4.3 V

-40 °C < TJ < 105 °C

-2

VCELLERR5

4.3 V ≤ VCELL ≤ 4.7 V

-40 °C < TJ < 105 °C

-2.6

2.6

VCELLERR6

4.7 V ≤ VCELL ≤ 5 V

-40 °C < TJ < 105 °C

-6.5

6.5

L9963E

Cell voltage measurement

DS13636 - Rev 12

page 41/184

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