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参数资料
| 型号： | H11F3SVM |
| 厂商： | Fairchild Optoelectronics Group |
| 文件页数： | 6/11页 |
| 文件大小： | 0K |
| 描述： | OPTOCOUPLER PHOTO FET 6SMD |
| 产品目录绘图： | Opto 6-SMD Package |
| 标准包装： | 1,000 |
| 通道数： | 1 |
| 输入类型： | DC |
| 电压 - 隔离： | 5300Vrms |
| 输出电压： | 15V |
| 电流 - DC 正向(If)： | 60mA |
| 输出类型： | 光电 FET |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-SMD |
| 包装： | 管件 |
| 产品目录页面： | 2760 (CN2011-ZH PDF) |
Typical Applications
As a Variable Resistor
ISOLATED VARIABLE ATTENUATORS
As an Analog Signal Switch
ISOLATED SAMPLE AND HOLD CIRCUIT
500K
+
V IN
V IN
H11F1M
V OUT
V IN
H11F1M
50
V OUT
V IN
H11F1M
-
V OUT
I F
I F
I F
C
V OUT
t
I F
LOW FREQUENCY
@10KHz DYNAMIC RANGE 70db
FOR 0 ≤ I F ≤ 30mA
HIGH FREQUENCY
@1MHz DYNAMIC RANGE 50db
FOR 0 ≤ I F ≤ 30mA
Distortion free attenuation of low level A.C. signals is accom-
plished by varying the IRED current, I F Note the wide dynamic
range and absence of coupling capacitors; D.C. level shifting or
parasitic feedback to the controlling function.
AUTOMATIC GAIN CONTROL
Accuracy and range are improved over conventional FET
switches because the H11FXM has no charge injection from
the control signal. The H11FXM also provides switching of
either polarity input signal up to 30V magnitude.
MULTIPLEXED, OPTICALLY-ISOLATED A/D CONVERSION
CALL V1
H11F1M
CALL
V n
V IN
+
V OUT
V 1
V 2
MSB
H74A1
MSB
DATA
ACQUISITION
H11F1M
-
500K
V n
A/D
CONVERTER
LSB H74A1
LSB
PROCESS
CONTROL
LOGIC
SYSTEM
H11F1M
I F
AGC
SIGNAL
This simple circuit provides over 70db of stable gain control for
an AGC signal range of from 0 to 30mA. This basic circuit can
be used to provide programmable fade and attack for electronic
music.
ACTIVE FILTER FINE TUNING/BAND SWITCHING
The optical isolation, linearity and low offset voltage of the
H11FXM allows the remote multiplexing of low level analog signals
from such transducers as thermocouplers, Hall effect devices,
strain gauges, etc. to a single A/D converter.
TEST EQUIPMENT - KELVIN CONTACT POLARITY
I F1
I F2
H11F1M
H11F1M
I F
H11F1M
I F
H11F1M
A
C
A1
A2
A3
I TEST
DEVICE
UNDER
PARAMETER
SENSING
I F TO
A & B FOR
POLARITY 1
TEST
B
D
BOARD
C & D FOR
POLARITY 2
I F
H11F1M
I F
H11F1M
I F1 ADJUSTS f 1 , I F2 ADJUSTS f 2
The linearity of resistance and the low offset voltage of the
H11FXM allows the remote tuning or band-switching of active
?lters without switching glitches or distortion. This schematic
illustrates the concept, with current to the H11F1M IRED’s
controlling the ?lter’s transfer characteristic.
?2007 Fairchild Semiconductor Corporation
H11F1M, H11F2M, H11F3M Rev. 1.0.5
In many test equipment designs the auto polarity function uses
reed relay contacts to switch the Kelvin Contact polarity. These
reeds are normally one of the highest maintenance cost items
due to sticking contacts and mechanical problems. The totally
solid-State H11FXM eliminates these troubles while providing
faster switching.
www.fairchildsemi.com
6
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