IS474
s Recommended Operating Conditions
Parameter
Supply voltage
Illuminance
Output voltage
Operating temperature
*1 CIE standard light source A (tungsten lamp)
Symbol MIN. MAX. Unit
V CC
4.5
5.5
V
EV *1 100 50 000
lx
VO
0 VCC - 1.5 V
T opr
- 10
70
˚C
s Electro-optical Characteristics
(Vcc=5V, Ta=25˚C )
Parameter
Symbol
Conditions
Supply current
Icc
*1 Ev= 0 lx
Output current 1
Output current 2
Output current ratio 1
Output current 3
Output current 4
IO1
*1 Ev= 100 lx
IO2
*1 Ev= 1000 lx
RIO1
Io2/Io 1
IO3
*2 Ev= 100 lx
IO4
*3 Ev= 100 lx
Output current ratio 2
Dark output current
RIO2
Io3/Io 4
Iod
*1 Ev= 0 lx
Peak sensitivity wavelength
λp
-
Response time (rise)
Response time (fall)
tr
RL= 3.3kΩ
tf
RL= 3.3kΩ
Ev= 0 lx
PSRR1
RL= 3.3kΩ
*4
at 10kHz
Power source
fluctuation removability
PSRR2
Ev= 0 lx
RL= 3.3kΩ
at 100kHz
Ev=1000 lx
PSRR3
RL= 3.3kΩ
at 10kHz
*1 Illuminance by CIE standard light source A (tungsten lamp)
*2 Illuminance by incandescent lamp
*3 Illuminance by fluorescent lamp
*4 Power source fluctuation removability PSRR is defined according to the following formula.
PSRR =201og
Vcc ripple voltage
Vo ripple voltage
MIN.
0.2
- 6.0
- 60
9.0
-
-
(0.9)
-
-
-
-
TYP.
0.55
-10
-100
10
-11
-10
(1.1)
-10
(550)
12
30
MAX.
1.0
- 14
- 140
11
-
-
(1.3)
- 500
-
-
-
Unit Test circuit
mA
1
µA
2
µA
2
-
-
µA
2
µA
2
-
-
nA
2
nm
-
µs
3
µs
3
-
48
-
dB
-
-
39
-
dB
-
-
11
-
dB
-
Test circuit 1
Test circuit 2
Test circuit 3
Vcc
A
Ev
Io
IS474
GND
Vcc
Ev
Io
5V
IS474
A
GND
Ip=660nm
Vcc
Vin
5V
Io Ro
IS474
Vcc
GND
Vo CRT
tr,tf=0.01µ s
3.3kΩ
Zo=50Ω
Vin
T
T=500µ s
Adjust Vin so that Vo waveform
may be of 1.0V amplitude
1.0V
90%
0V
tr
10%
tf