MLX90313K データシートの表示（PDF） - Melexis Microelectronic Systems

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MLX90313K

Programmable IR Sensor Interface

Melexis Microelectronic Systems  

MLX90313

Programmable IR Sensor Interface

Parameter

Symbol Test Conditions

Min Typ Max Unit

Gain tolerance

δGtemp bias current enabled -6.5

+6.5 %

Amplifier offset

Voff

4

µV

Input referred white noise

Vntemp rms-value

400 nV/√Hz

Chopper frequency

fc

8

kHz

Output voltage range

ORtemp TEMPOUT

0

Vdd- V

0.2

Output source current

Iod

TEMPOUT

1

mA

Output sink current

Ios

TEMPOUT

20

uA

DC Output impedance, drive

rod

TEMPOUT

10

Ω

DC Output impedance, sink

ros

TEMPOUT

100 Ω

Capacitive load TEMPOUT pin Cmax

TEMPOUT

50

pF

Amplifier bandwidth

BW

500

Hz

Rel1 open drain relay driver

High voltage protection

32

V

output impedance

Ro

10

Ω

Comp1 comparator

Potentiometer input range

IRirout

IROUT

0

100 % of

Vrefp

ADC

Input stage gain

2.95 3

3.05 V/V

External Reference voltage

Vrefpex

1

3.3 V

Internal Reference voltage

Vrefp

2.4 2.5 2.6 V

Vrefp input leakage current

Ilvrefp

@150°C

5

uA

Resolution

12

bit

Monotonicity

guaranteed by design

Differential non-linearity

DNL

0.4 LSB

Integral non-linearity

INL

½

LSB

Gain error

full scale

1

LSB

Total input-referred noise

Vref=3V

0.2 LSB

DAC

Resolution

8

bit

Monotonicity

guaranteed by design

Differential non-linearity

DNL

½

LSB

Integral non-linearity

INL

½

LSB

*Rsens is the impedance of the sensor connected between IRINP and IRINN for the IR-chain amplifier.

**Icref is the current flowing out of pin CREF

MLX90313 Programmable IR sensor Interface Page 3

3901090313

Rev 1.0 21-July-2001

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