MLX90314AB
Programmable Sensor Interface
Table 1. MLX90314 Electrical Specifications (continued)
DC operating parameters: TA = -40 to 140oC, VDD1 = 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
CSGN = 01
CSGN = 10
CSGN = 11
1.05
1.71
2.77
4.48
1.17
1.89
3.06
4.95
V/V
V/V
V/V
V/V
Voltage Mode Output Stage ( See Voltage Mode)
Output voltage span
CSGN[2:2] = 0
Gain
4.5
6.5
V
2.74
6.5
3.04
11
V/V
V
CSGN[2:2] = 1
Gain
7.24
7.86
-0.2
V/V
V
Minimum output voltage
Output source current
Output sink current
2.0
20
mA
uA
Ohms
V
@ 0V output voltage
Over complete output range
CSGN[2:2] = 0
Output resistance
25
Digital mode output span
6.5
CSGN[2:2] = 1
11.0
V
Digital mode step size
VDD = 5V, CSGN[2:2]=0
VDD = 5V, CSGN[2:2]=1
6.5
11.0
10
mV
mV
nF
Capacitive load VMO pin
Current Mode Output Stage
Fixed gain
RSENSE = 24 ohm
Current mode
8.4
23
9.3
mA/V
mA
Output current CMO pin
Current sense resistor
27
24
Ohms
mA
Digital mode current output span
VDD = 5V
Digital mode current step Size
VDD = 5V,RSENSE=24Ù
30
uA
Signal Path ( General)
Overall gain
Voltage mode
98
2100
2625
0.25
1.75
+4.6
V/V
mA/V
%
Current mode = 24Ù
284
Overall non-linearity
-0.25
-1.75
-4.6
Ratiometry Error (4.75V – 5.25V)
Overall Gain < 250V/V
Overall Gain > 250V/V
%
%
MLX90314AB Programmable Sensor Interface
Page 4
Rev 2.2
23/Oct/01