ZSSC3281 datasheet(13/102 Pages) RENESAS

13 / 102 page

ZSSC3281 Datasheet

R33DS0020ED0100 Rev. 1.0

Jun.13.22

Page 13

Symbol

Parameter

Conditions

Minimum

Typical

Maximum

Units

5V absolute Voltage Mode

10V absolute Voltage Mode

IOUTMAX

Short current limit at pin

AOUT

AOUT modes using 5V Buffer



short to VDD or VSS



programmable in 4 steps

Cload

Load capacitance at

AOUT



2-Wire Current Loop Mode



all other modes

(for example. cap for EMC:

33nF, ECU load: 10nF)

rDAC

Resolution

–

Bit

Programmable-Gain Amplifier (PGA)

Gamp

Gain

120 steps

1.32

–

495

V/V

Gerr

Gain error

Referenced to nominal gain

Gain = 1.32…5

Gain = 6…125

Gain = 126…495

-2.5

-5

-10

2.5

GerrTemp

Gain error over-

temperature

Temperature compensated sensors

do not require calibration over-

temperature.

-0.2

0.2

VCMin

Supported input common

mode

0.2

0.5

0.7

VTOP

Vioffsc

Differential input offset

shift

Programmable in 30 steps

Gain1 < 240

Gain1 > 240

-28

-22

Sensor Signal Conditioning (SSC) Performance

fSSCout

Output (update) rate



3 measurements: signal+,

signal-, diagnosis



rADC = 16bit



SSC-corrected digital output

–

1.3

–

kHz



3 measurements: signal+,

signal-, diagnosis



rADC = 14bit



SSC-corrected digital output

–

2.245

–

kHz



2 measurements: signal+,

diagnosis



rADC = 14bit



SSC-corrected digital output

–

3.36

–

kHz

tstepresp

Step response



3 measurements: signal+,

signal-, diagnosis



rADC = 16bit



SSC-corrected digital output

1.38



3 measurements: signal+,

signal-, diagnosis



rADC = 14bit



SSC-corrected digital output

0.84

Analog Inputs

VINP, VINN

Absolute sensor input

Voltages at INP and INN pin;

resulting minimum/maximum

differential voltages:

-800mV < VINdiff < 800mV

0.2

–

1.2

VDD must be ≥ 5.25V

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