PS810 datasheet(39/46 Pages) MICROCHIP

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DS21904C-page 39

PS810

TABLE 10-5:

AC CHARACTERISTICS: SPS INTERFACE (TA = -20°C TO +85°C;

VDD (INTERNAL) = +2.8V ±7%)

TABLE 10-6:

A/D CONVERTER CHARACTERISTICS (TA = -20°C TO +85°C;

VREG (INTERNAL) = +2.8V ±7%)

TABLE 10-7:

SILICON TIME BASE CHARACTERISTICS (TA = -20°C TO +85°C;

VREG (INTERNAL) = +2.8V ±7%)

TABLE 10-8:

TEMPERATURE MEASUREMENT ACCURACY (TA = -20°C TO +85°C;

VREG (INTERNAL) = +2.8V ±7%)

Symbol

Description

Min.

Typ.

Max.

Units

Condition

tCYCH

Cycle Time, Host to Battery

190

—

μs

tCYCB

Cycle Time, Battery to Host

190

205

250

μs

tSTRH

Start Time, Host to Battery

—

tSTRB

Start Time, Battery to Host

—

μs

tDSUH

Data Setup Time, Host to Battery

—

μs

tDSUB

Data Setup Time, Battery to Host

—

μs

tDH

Data Hold Time, Host to Battery

—

μs

tDV

Data Valid Time, Battery to Host

—

μs

tSSUH

Stop Setup, Host to Battery

—

145

μs

tSSUB

Stop Setup Time, Battery to Host

—

145

μs

tRSPS

Response Time of Battery to Host

190

—

320

μs

Break Time

190

—

μs

tBR

Break Recovery Time

—

μs

Symbol

Description

Min.

Typ.

Max.

Units

Condition

ADRES

A/D Converter Resolution

—

bits

tCONV

A/D Conversion Measurement Time, n-bit + sign

—

2n/fA/D

—s

VADIN

A/D Converter Input Voltage Range (internal)

-150

—

150

Differential

(Note 1)

—

300

Single-Ended

EVGAIN

Supply Voltage Gain Error

—

0.100

EVOFFSET Compensated Offset Error

—

0.100

ETEMP

Temperature Gain Error

—

0.100

EINL

Integrated Nonlinearity Error

—

0.004

Note 1:

Voltage is internal at A/D converter inputs. SR, PTAT and NTC are measured directly. VC1 and VCOIN

inputs are measured using internal level translation circuitry that scales the input voltage range

appropriately for the converter.

Symbol

Description

Min.

Typ.

Max.

Units

Condition

ETIME

Silicon Time Base Error

—

0.4

Bias Resistor ROSC Tolerance = 1%

TL = ±25 ppm

Symbol

Description

Min.

Typ.

Max.

Units

Condition

TRES

Reported Temperature Resolution

—

°C

TACC

Reported Temperature Accuracy

-3

—

°C

VREG = 3.6V, requires

calibration in the application

TDRIFT

Reported Temperature Drift

—

-2

—

°C/V

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