LINEAR LS627

LS627
PHOTO FET
LIGHT SENSITIVE JFET
Linear Integrated Systems
FEATURES
DIRECT REPLACEMENT FOR CRYSTALONICS FF627
FLAT GLASS TOP FOR EXTERNAL OPTICS
ULTRA HIGH SENSITIVITY
ABSOLUTE MAXIMUM RATINGS1
TO-72
BOTTOM VIEW
@ 25 °C (unless otherwise stated)
Maximum Temperatures
Storage Temperature
-65 to +200 °C
Operating Junction Temperature
-55 to +165 °C
Maximum Power Dissipation
400mW
Continuous Power Dissipation
D
2
3
G
S
1
4
C
Maximum Currents
Gate Current
50mA
Maximum Voltages
Drain to Source
15V
Drain to Gate
15V
Gate to Source
-10V
ELECTRICAL CHARACTERISTICS @ 25 °C (unless otherwise stated)
SYMBOL
VGS(off)
SG
CHARACTERISTIC
MIN
Gate to Source Cutoff Voltage (VPO)
1.0
5.0
V
Gate Sensitivity2
6.4
24
µA/mW/cm2
VDS = 10V, VGS = 0V, λ = 0.9µm
2
VDS = 10V, VGS = 0V, RG = 1MΩ
3
SD
Drain Sensitivity
λIg
Gate Current (Light)
10
4
Drain Current (Light)
IDSS
Drain Saturation Current
IGSS
Gate Leakage Current (Dark)
8.0
30
gfs
Forward Transconductance (gm)
Drain to Source On Resistance
8000
100
Gate to Source Capacitance
35
Gate to Drain Capacitance
20
tr
Rise Time5
30
tf
Fall Time6
50
Linear Integrated Systems
UNITS
CONDITIONS
VDS = 10V, ID = 0.1µA
mA/mW/cm
37.5
800
RDS(on)
CGD
MAX
500
4
λId
CGS
TYP
nA/FC
VDS = 10V, VGS = 0V
µA/FC
VDS = 10V, VGS = 0V, RG = 1MΩ
mA
VDS = 10V, VGS = 0V
pA
VGS = -10V, VDS = 0V
µS
VDS = 10V, VGS = 0V, f = 1kHz
Ω
VDS = 0.1V, VGS = 0V
pF
ns
VGS = -10V, f = 140kHz
VGD = -10V, f = 140kHz
VDS = 10V, RL = RG = 100Ω
• 4042 Clipper Court • Fremont, CA 94538 • Tel: 510 490-9160 • Fax: 510 353-0261
TO-72
Four Lead
0.230
DIA.
0.209
0.195 DIA.
0.175
0.030
MAX.
0.150
0.115
4 LEADS
0.500 MIN.
0.019 DIA.
0.016
0.100
0.050
2
3
1
4
45°
0.048
0.028
0.046
0.036
NOTES
1.
Absolute maximum ratings are limiting values above which serviceability may be impaired.
2.
Gate Current per unit Radient Power Density at Lens Surface
3.
Drain Current per unit Radient Power Density (λ = 0.9µm).
4.
Tungsten Lamp 2800°K Color Temperature.
5.
GaAs Diode Source.
6.
Directly Proportional to RG.
7.
Not production tested. Guaranteed by design.
Information furnished by Linear Integrated Systems is believed to be accurate and reliable. However, no responsibility is assumed for its
use; nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Linear Integrated Systems.
Linear Integrated Systems
• 4042 Clipper Court • Fremont, CA 94538 • Tel: 510 490-9160 • Fax: 510 353-0261