MLX90308CCC datasheet(4/26 Pages) MICRO-ELECTRONICS

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MLX90308CCC

Programmable Sensor Interface

MLX90308CCC Programmable Sensor Interface

Page 4

Rev 2.2

23/Oct/01

Table 1. MLX90308 Electrical Specifications (continued)

DC operating parameters: TA = -40 to 140

oC, V

DD1 = 6 to 35VDC (unless otherwise specified).

Parameter

Test Conditions

Min

Typ

Max

Units

Coarse gain

CSGN = 110*

20.4

23.0

V/V

CSGN = 111*

33.1

36.6

V/V

Fixed gain control range

0.480

0.970

V/V

Digital Mode & Current Mode Coarse Gain Stage

Course Gain

CSGN = 00

1.05

1.17

V/V

CSGN = 01

1.71

1.89

V/V

CSGN = 10

2.77

3.06

V/V

CSGN = 11

4.48

4.95

V/V

Output voltage span

CSGN[2:2] = 0

4.5

6.5

Gain

2.74

3.04

V/V

CSGN[2:2] = 1

6.5

Gain

7.24

7.86

V/V

Minimum output voltage

-0.2

Output source current

2.0

Output sink current

@ 0V output voltage

Output resistance

Over complete output range

Ohms

Digital mode output span

CSGN[2:2] = 0

6.5

CSGN[2:2] = 1

11.0

Digital mode step size

VDD = 5V, CSGN[2:2]=0

6.5

VDD = 5V, CSGN[2:2]=1

11.0

Capacitive load VMO pin

Current Mode Output Stage

Fixed gain

RSENSE = 24 ohm

8.4

9.3

mA/V

Output current CMO pin

Current mode

Current sense resistor

Ohms

Digital mode current output span

VDD = 5V

Digital mode current step Size

VDD = 5V,RSENSE=24Ù

Signal Path ( General)

Overall gain

Voltage mode

600

V/V

Current mode = 24Ù

750

mA/V

Overall non-linearity

-0.25

0.25

Ratiometry Error (4.75V – 5.25V)

Overall Gain < 250V/V

-0.5

0.5

Overall Gain > 250V/V

-1.3

+1.3

Voltage Mode Output Stage ( See Voltage Mode)

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