10
Figure 5. NL
BF
vs. temperature.
Figure 2. Normalized K3 vs. input I
PD
. Figure 3. K3 drift vs. temperature.
Figure 4. I
PD2
error vs. input I
PD
(see note 4).
Figure 6. NL
BF
drift vs. temperature. Figure 7. Input photodiode CTR vs. LED input
current.
Figure 8. Typical photodiode leakage vs.
temperature.
Figure 9. LED input current vs. forward voltage.
Figure 10. LED forward voltage vs. temperature.
I
LK
– PHOTODIODE LEAKAGE – nA
10.0
4.0
0.0
T
A
– TEMPERATURE – °C
6.0
2.0
CNR200 fig 8
8.0
-25-55 5 35 65 95 125
V
PD
= 15 V
DELTA K3 – DRIFT OF K3 TRANSFER GAIN
0.02
-0.005
-0.02
T
A
– TEMPERATURE – °C
0.01
0.005
-0.01
-0.015
HCNR200 fig 3
= DELTA K3 MEAN
= DELTA K3 MEAN ± 2 • STD DEV
0.0
0.015
-25-55 5356595 125
0 V < V
PD
< 15 V
DELTA NL
BF
– DRIFT OF BEST-FIT NL – % PTS
0.02
-0.005
-0.02
T
A
– TEMPERATURE – °C
0.01
0.005
-0.01
-0.015
HCNR200 fig 6
= DELTA NL
BF
MEAN
= DELTA NL
BF
MEAN ± 2 • STD DEV
0.0
0.015
-25-55 5356595 125
0 V < V
PD
< 15 V
5 nA < I
PD
< 50 µA
NORMALIZED K1 – INPUT PHOTODIODE CTR
0.0
0.5
0.2
I
F
– LED INPUT CURRENT – mA
2.0 6.0 12.0
0.6
0.4
0.3
4.0 8.0 10.0
HCNR200 fig 7
0.7
0.8
0.9
1.0
1.1
1.2
14.0 16.0
-55°C
25°C
-40°C
85°C
100°C
NORMALIZED TO K1 CTR
AT I
F
= 10 mA, T
A
= 25°C
0 V < V
PD1
< 15 V
V
F
– LED FORWARD VOLTAGE – V
1.5
1.2
T
A
– TEMPERATURE – °C
1.8
1.7
1.4
1.3
HCNR200 fig 10
1.6
-25-55 5356595 125
I
F
= 10 mA
NORMALIZED K3 – TRANSFER GAIN
0.0
1.06
1.00
0.94
I
PD1
– INPUT PHOTODIODE CURRENT – µA
10.0 30.0 60.0
1.04
1.02
0.98
0.96
20.0 40.0 50.0
HCNR200 fig 2
= NORM K3 MEAN
= NORM K3 MEAN ± 2 • STD DEV
NORMALIZED TO BEST-FIT K3 AT T
A
= 25°C,
0 V < V
PD
< 15 V
0.0
0.03
0.00
-0.03
I
PD1
– INPUT PHOTODIODE CURRENT – µA
10.0 30.0 60.0
0.02
0.01
-0.01
-0.02
20.0 40.0 50.0
HCNR200 fig 4
= ERROR MEAN
= ERROR MEAN ± 2 • STD DEV
I
PD2
ERROR FROM BEST-FIT LINE (% OF FS)
T
A
= 25 °C, 0 V < V
PD
< 15 V
NL
BF
– BEST-FIT NON-LINEARITY – %
0.015
0.00
T
A
– TEMPERATURE – °C
0.03
0.025
0.01
0.005
HCNR200 fig 5
= NL
BF
50TH PERCENTILE
= NL
BF
90TH PERCENTILE
0.02
0.035
-25-55 5356595 125
0 V < V
PD
< 15 V
5 nA < I
PD
< 50 µA
1.20
100
0.1
0.0001
V
F
– FORWARD VOLTAGE – VOLTS
1.30 1.50
10
1
0.01
0.001
1.40 1.60
CNR200 fig 9
I
F
– FORWARD CURRENT – mA
T
A
= 25°C