ADL5317 datasheet(6/16 Pages) AD | Avalanche Photodiode Bias Controller and Wide Range (5 nA to 5 mA) Current Monitor

6 page

ADL5317

Rev. 0 | Page 6 of 16

TYPICAL PERFORMANCE CHARACTERISTICS

VPHV = 78 V, VPLV = 5 V, VAPD = 60 V, IAPD = 5 μA, TA = 25°C, unless otherwise noted.

10m

2.0

100p

–2.0

10m

IAPD (Amperes)

10n

100n

100

1.5

100

1.0

0.5

100n

–0.5

10n

–1.0

–1.5

+25

°C

–40

°C

+85

°C

+85

°C

+25

°C

–40

°C

Figure 3. IPDM Linearity for Multiple Temperatures,

Normalized to IAPD = 5 μA, 25°C

3.0

VSET (V)

0.5

1.0

1.5

2.0

2.5

VPHV = 45V,

–40

°C

VPHV = 45V, +85°C

VPHV = 45V, +25°C

VPHV = 78V, +25°C

VPHV = 78V, –40°C

VPHV = 78V, +85°C

Figure 4. VAPD vs. VSET for Multiple Temperatures,

VPHV = 78 V and VPHV = 45 V, IAPD = 5 μA

2.150

1.850

090

VPHV (V)

2.125

2.100

2.075

2.050

2.025

2.000

1.975

1.950

1.925

1.900

1.875

–40

°C

+25

°C

+85

°C

Figure 5. VAPD Supply Tracking Offset vs. VPHV for Multiple Temperatures

2.0

–2.0

IAPD (Amperes)

1.5

1.0

0.5

–0.5

–1.0

–1.5

10m

100p

10m

10n

100n

100

100n

10n

VPHV = 78V, VAPD = 60V

VPHV = 45V, VAPD = 32V

VPHV = 10V, VAPD = 6V

VPHV = 78V, VAPD = 60V

VPHV = 45V, VAPD = 32V

VPHV = 10V,

VAPD = 6V

Figure 6. IPDM Linearity for Multiple Values of VAPD and VPHV,

Normalized to IAPD = 5 μA, VPHV =78 V, VAPD = 60 V

31.0

29.0

3.0

VSET (V)

0.5

1.0

1.5

2.0

2.5

30.8

30.6

30.4

30.2

30.0

29.8

29.6

29.4

29.2

VPHV = 45V, +85°C

VPHV = 45V, +25°C

VPHV = 45V, –40°C

VPHV = 78V, +85°C

VPHV = 78V, +25°C

VPHV = 78V, –40°C

Figure 7. Incremental Gain from VSET to VAPD vs. VSET for

Multiple Temperatures, IAPD = 5 μA, VPHV = 78 V and 45 V

0.030

–0.040

10m

IAPD (Amperes)

10n

100n

100

0.020

0.010

–0.010

–0.020

–0.030

78/60 +25

°C

45/32 +25

°C

10/6 +25

°C

78/60 –40

°C

45/32 –40

°C

10/6 –40

°C

78/60 +85

°C

45/32 +85

°C

10/6 +85

°C

VPHV = 78V, VAPD = 60V; +85°C, +25°C, –40°C

VPHV = 45V, VAPD = 32V; +85°C, +25°C, –40°C

VPHV = 10V, VAPD = 6V; +85°C, +25°C, –40°C

Figure 8. VAPD vs. IAPD for Multiple Temperatures and Values of VPHV and VAPD

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