I
PD2
ERROR FROM BEST-FIT LINE (% OF FS)
1.06
DELTA K3 – DRIFT OF K3 TRANSFER GAIN
NORMALIZED K3 – TRANSFER GAIN
0.02
= NORM K3 MEAN
= NORM K3 MEAN ± 2 • STD DEV
0.015
0 V < V
PD
< 15 V
0.01
0.005
0.0
-0.005
-0.01
-0.015
-0.02
-55
= DELTA K3 MEAN
= DELTA K3 MEAN ± 2 • STD DEV
-25
5
35
65
95
125
0.03
= ERROR MEAN
= ERROR MEAN ± 2 • STD DEV
0.02
1.04
1.02
0.01
1.00
0.00
0.98
-0.01
0.96
NORMALIZED TO BEST-FIT K3 AT T
A
= 25°C,
0 V < V
PD
< 15 V
-0.02
T
A
= 25 °C, 0 V < V
PD
< 15 V
-0.03
0.0
10.0
20.0
30.0
40.0
50.0
60.0
0.94
0.0
10.0
20.0
30.0
40.0
50.0
60.0
I
PD1
– INPUT PHOTODIODE CURRENT – µA
T
A
– TEMPERATURE – °C
I
PD1
– INPUT PHOTODIODE CURRENT – µA
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).
DELTA NL
BF
– DRIFT OF BEST-FIT NL – % PTS
NORMALIZED K1 – INPUT PHOTODIODE CTR
0.035
NL
BF
– BEST-FIT NON-LINEARITY – %
0.03
0.025
0.02
0.015
0.01
0.005
0.00
-55
= NL
BF
50TH PERCENTILE
= NL
BF
90TH PERCENTILE
0.02
0.015
0.01
0.005
0.0
-0.005
-0.01
-0.015
-0.02
-55
= DELTA NL
BF
MEAN
= DELTA NL
BF
MEAN ± 2 • STD DEV
-25
5
35
65
95
125
0 V < V
PD
< 15 V
5 nA < I
PD
< 50 µA
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.0
2.0
-55°C
-40°C
25°C
85°C
100°C
0 V < V
PD
< 15 V
5 nA < I
PD
< 50 µA
-25
5
35
65
95
125
NORMALIZED TO K1 CTR
AT I
F
= 10 mA, T
A
= 25°C
0 V < V
PD1
< 15 V
4.0
6.0
8.0 10.0 12.0 14.0 16.0
T
A
– TEMPERATURE – °C
T
A
– TEMPERATURE – °C
I
F
– LED INPUT CURRENT – mA
Figure 5. NL
BF
vs. Temperature.
Figure 6. NL
BF
Drift vs. Temperature.
Figure 7. Input Photodiode CTR vs.
LED Input Current.
10.0
I
LK
– PHOTODIODE LEAKAGE – nA
100
V
F
– LED FORWARD VOLTAGE – V
1.8
V
PD
= 15 V
8.0
I
F
– FORWARD CURRENT – mA
T
A
= 25°C
10
I
F
= 10 mA
1.7
1
1.6
6.0
0.1
1.5
4.0
0.01
1.4
2.0
0.001
1.3
0.0
-55
-25
5
35
65
95
125
0.0001
1.20
1.30
1.40
1.50
1.60
1.2
-55
-25
5
35
65
95
125
T
A
– TEMPERATURE – °C
V
F
– FORWARD VOLTAGE – VOLTS
T
A
– TEMPERATURE – °C
Figure 8. Typical Photodiode Leakage
vs. Temperature.
Figure 9. LED Input Current vs.
Forward Voltage.
Figure 10. LED Forward Voltage vs.
Temperature.
1-425
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
