ADL5317 datasheet(3/16 Pages) AD | Avalanche Photodiode Bias Controller and Wide Range (5 nA to 5 mA) Current Monitor

3 page

ADL5317

Rev. 0 | Page 3 of 16

SPECIFICATIONS

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

Table 1.

Parameter

Min

Typ

Max

Unit

Conditions

CURRENT MONITOR OUTPUT

IPDM (Pin 11)

Current Gain from VAPD to IPDM

0.198

0.200

0.202

A/A

TA = 25

°C

0.193

0.207

−40

°C < T

< +85

°C

0.25

1.6

10 nA < IAPD < 1 mA

Nonlinearity

0.5

3.0

5 nA < IAPD < 5 mA

kHz

IAPD = 5 nA, VPHV = 60 V, VAPD = 30 V

Small-Signal Bandwidth

MHz

IAPD = 5 μA, VPHV = 60 V, VAPD = 30 V

Wideband Noise at IPDM

IAPD = 5 μA, CGRD = 2 nF, BW = 10 MHz,

VPHV = 40 V, VAPD = 30 V

VPLV

VAPD > 3

× VPLV

Output Voltage Range

VAPD / 3

VAPD < 3

× VPLV

APD BIAS CONTROL

VSET (Pin 2), VAPD (Pin 8)

VPHV − 1.5

10 V < VPHV < 41 V

VPHV − 35

VPHV − 1.5

41 V < VPHV < 76.5 V

Specified VAPD Voltage Operating Range

VPHV − 35

76.5 V < VPHV < 80 V

VAPD to GARD Offset

Specified Input Current Range, IAPD

Flows from VAPD pin

VSET to VAPD Incremental Gain

29.7

30.3

V/V

0.2 V < VSET < 2.5 V1

VSET Input Referred Offset, 1σ

0.5

VSET Voltage Range

0.2

5.5

Incremental Input Resistance at VSET

100

MΩ

VSET = 2.0 V

Input Bias Current at VSET

0.3

μA

VSET = 2.0 V, flows from VSET pin

μsec

VSET = 1.6 V to 2.4 V, CGRD = 2 nF, VPHV = 60 V,

VAPD = 30 V

VAPD Settling Time, 5%

100

μsec

VSET = 2.4 V to 1.6 V, CGRD = 2 nF, VPHV = 60 V,

VAPD = 30 V

VAPD Supply Tracking Offset (Below VPHV)

1.90

2.0

2.15

VSET = 5.0 V, 10 V < VPHV < 77 V

OVERSTRESS PROTECTION

FALT (Pin 1)

VAPD Current Compliance Limit

VSET = 2.0 V, VAPD deviation of 500 mV

Thermal Shutdown Trip Point

140

°C

Die temperature rising

Thermal Hysteresis

°C

FALT Output Low Voltage

0.8

Fault condition, load current < 1 mA

POWER SUPPLIES

VPHV (Pin 4, Pin 5), VPLV (Pin 3)

Low Voltage Supply

VPLV

Quiescent Current

0.7

0.84

Independent of IAPD

High Voltage Supply

VPHV

Quiescent Current

2.3

2.9

IAPD = 5 μA, VAPD = 60 V

3.6

4.5

IAPD = 1 mA, VAPD = 60 V

1 Tested 1.5 V < VSET < 2.5 V, guaranteed operation 0.2 V < VSET < 2.5 V.

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