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参数资料
| 型号： | S6446 |
| 元件分类： | 光电元器件 |
| 英文描述： | LINEAR OUTPUT PHOTO DETECTOR |
| 封装： | 4.50 X 5.50 MM, MINIATURE, PLASTIC PACKAGE-10 |
| 文件页数： | 1/4页 |
| 文件大小： | 175K |
| 代理商： | S6446 |
S6446 series, S6975
S6446 series and S6975 are designed for camera exposure meters. These photo ICs consist of a dual-element (ball-in-box) photodiode and an IC
integrating a logarithmic amplifier circuit and a thermosensor, etc.
Features
l Photometry in central and peripheral areas
l Clear miniature plastic package (4.5 × 5.5 mm)
l Low noise
l Built-in thermosensor
l S6446-20: With visual-compensation filter
l S6975: Large photometric output change
(Logarithmic amplifier gain is 1.5 times larger than S6446.)
Applications
l Camera auto exposure meter
l Various photometric applications
PHOTO
IC
Photo IC for photometry
Photo IC incorporating a dual-element photodiode and log amp
s
Absolute maximum ratings (Ta=25 °C)
Parameter
Symbol
Value
Unit
Supply voltage
Vcc
-0.3 to +7
V
POC terminals
-0.3 to Vcc+0.3
V
Input voltage Other terminals
Vin
Do not input voltage
-
Operating temperature
Topr
-20 to +60
°C
Storage temperature
Tstg
-30 to +80
°C
Soldering
-
230 °C, 3 s
-
s
Recommended operating conditions
Parameter
Symbol
S6446/-20
S6975
Unit
3.0 to 3.5
Supply voltage
Vcc
4.5 to 5.5
V
Operating temperature
Topr
-15 to +40
°C
s
Optical characteristics (Ta=25 °C)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
-
320 to 1100
-
Spectral response range
λ
*1
-
320 to 730
-
nm
-
960
-
Peak sensitivity wavelength
λp
*1
-
560
-
nm
Center
-
250
-
nA
Peripheral
-
2.5
-
A
Center
-
22
-
nA
Short circuit current
Isc
100 lx ,
A light source
*1 Peripheral
-
220
-
nA
s
Temperature characteristics *2 (Ta= -15 to +40 °C, based on a value at 25 °C)
Parameter
Symbol
Condition
Min. Typ. Max.
Unit
Terminal
Terminal voltage
change
Vrf4
-30
-
30
mV
VR
Output voltage
temperature coefficient
α
-
17.8
-
mV/°C
TO
Output voltage S6446/-20: 500 mV, S6975: 780 mV
-
2500
-
Output voltage S6446/-20: 1000 mV, S6975: 1550 mV
-
2900
-
Output voltage S6446/-20: 1500 mV, S6975: 2300 mV
-
3000
-
Output voltage
temperature coefficient
β
Output voltage S6446/-20: 2000 mV, S6975: 3100 mV
-
3100
-
ppm/°C
PO
*1: When used with a standard visual compensation filter (0.5 mm thick)
*2: S6446/-20: Vcc=3.2 V, S6975: Vcc=5.0 V
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