ZMD31020BCF-R datasheet(11/19 Pages) ZMD

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ZMD31020

Sensor Signal Conditioner

Datasheet

(for TAMB = -40°C ... +125°C; supply voltage: 4.5V ... 5.5V; all voltages referred to VSSA = VSS)

3.3.1

Power Supply

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Supply current

IDD + IDDA

no sensor, no diode

connected;

VOUT open

7.7

3.3.2

PGA & 12-bit Input ADC

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Differential input voltage range options @ Input span VIN_SP = 52 mV/V; aIN = 15.66

Diff. inp. volt. range 1

VIN_DIFF_1

RSADC = 15/16

-3

mV/V

Diff. inp. volt. range 2

VIN_DIFF_2

RSADC = 7/8

-6

mV/V

Diff. inp. volt. range 3

VIN_DIFF_3

RSADC = 3/4

-13

mV/V

Diff. inp. volt. range 4

VIN_DIFF_4

RSADC = 1/2

-26

mV/V

Sensitivity

SIN

VDDA = 5V

µV/LSB

Differential input voltage range options @ Input span VIN_SP = 36 mV/V; aIN = 24

Diff. inp. volt. range 1

VIN_DIFF_1

RSADC = 15/16

-2

mV/V

Diff. inp. volt. range 2

VIN_DIFF_2

RSADC = 7/8

-4

mV/V

Diff. inp. volt. range 3

VIN_DIFF_3

RSADC = 3/4

-9

mV/V

Diff. inp. volt. range 4

VIN_DIFF_4

RSADC = 1/2

-18

mV/V

Sensitivity

SIN

VDDA=5V

µV/LSB

Differential input voltage range options @ Input span VIN_SP = 20 mV/V; aIN = 42

Diff. inp. volt. range 1

VIN_DIFF_1

RSADC = 15/16

-1

mV/V

Diff. inp. volt. range 2

VIN_DIFF_2

RSADC = 7/8

-2

mV/V

Diff. inp. volt. range 3

VIN_DIFF_3

RSADC = 3/4

-5

mV/V

Diff. inp. volt. range 4

VIN_DIFF_4

RSADC = 1/2

-10

mV/V

Sensitivity

SIN

VDDA=5V

µV/LSB

Diff. input offset current

IIN_OFF

-10

Note, that the parameter “RSADC” is equal to the former “CRROB”.

3.3.3

Temperature Measurement: Current Sources, on-chip Diode & 12-bit ADC

(4)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Current source

ITS

pin / pad VTN

µA

TC current source

(1)

TCI_TS

pin / pad VTN

-2000

2000

ppm/K

Input voltage range

VTN

rel. to VDDB1 = VDDB2

-810

-200

TC forward drop

TCDROP

on-chip temp. sensor

-1.9

-2.1

-2.3

mV/K

Sensitivity

pin / pad VTN

0.84

0.97

1.1

mV/ LSB

3.3

Electrical Parameters

ZMD31020BCF-R データシート(PDF) 11 Page - Zentrum Mikroelektronik Dresden AG

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