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参数资料
| 型号： | LIA120STR |
| 厂商： | IXYS Integrated Circuits Division |
| 文件页数： | 2/10页 |
| 文件大小： | 0K |
| 描述： | OPTOISOLATOR ERROR AMP 8-SMD |
| 标准包装： | 1,000 |
| 通道数： | 1 |
| 输入类型： | DC |
| 电压 - 隔离： | 3750Vrms |
| 电流传输比（最小值）： | 1% @ 5mA |
| 电流传输比（最大）： | 3% @ 5mA |
| 输出类型： | 光电型 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SMD，鸥翼型 |
| 包装： | 带卷 (TR) |
I NTEGRATED C IRCUITS D IVISION
Absolute Maximum Ratings (@ 25oC)
LIA120
Parameter
Symbol Ratings
Units
Absolute Maximum Ratings are stress ratings. Stresses in
Photodiode Cathode-Anode Voltage
Photodiode Anode-Cathode Voltage
Input Voltage
Input DC Current
Total Power Dissipation (note 1)
V KAO
V AKO
V LED
I LED
P D
20
0.5
9
20
145
V
V
V
mA
mW
excess of these ratings can cause permanent damage to
the device. Functional operation of the device at conditions
beyond those indicated in the operational sections of this
data sheet is not implied.
Operating Temperature
T -40 to +85
o C
Storage Temperature
1
Derate linearly from 25°C at a rate of 2.42 mW/ °C.
T
-40 to +125
o C
Electrical Characteristics:
Parameter
Conditions
Symbol
Min
Typ
Max
Units
Input Characteristics @ 25oC
LED forward voltage
I LED = 5 mA, V COMP = V FB (Fig.1)
V F
0.8
1.2
1.4
V
Reference voltage
I LED = 10 mA, V COMP = V FB (Fig.1)
T A = -40 to +85°C
T A = 25°C
V REF
1.210
1.228
-
1.24
1.265
1.252
V
Deviation of V REF over temperature - See Note 1
T A = -40 to +85°C
V REF (DEV)
-
32
-
mV
Transfer Characteristics @ 25oC
Current Transfer Ratio in Feedback (I REF /I LED )
Current transfer ratio (I KA /I LED )
Current Transfer Ratio Matching (I KA /I REF )
Feedback input current
Deviation of I REF over temperature - See Note 1
Minimum drive current
Off-state error amplifier current
Error amplifier output impedance - See Note 2
I LED = 5mA, V REF = 0.5V (Fig.2)
I LED = 5 mA, V COMP = V FB , V KA = 5 V (Fig. 4)
I LED = 5mA, V KA = 5.0V
I LED = 10 mA, R1 = 10 k Ω (Fig.2)
T A = -40 to +85°C
V COMP = V FB (Fig.1)
V IN = 6 V, V FB = 0 (Fig.3)
I LED = 0.1 mA to 15 mA, V COMP = V FB , f<1 kHz (Fig.1)
K 1
K 2
K 3
I REF
I REF (DEV)
I LED (MIN)
I OFF
IZ OUT I
1.0
1.0
85
-
-
1
-
-
2
2
100
226
110
-
0.001
0.21
3.0
3.0
115
-
-
-
0.1
-
%
%
%
μA
μA
mA
μA
?
Output Characteristics @ 25oC
Cathode dark current
Cathode-Anode voltage breakdown
V IN = Open, V KA = 10V (Fig. 3)
I KA = 1μA
I KAO
BV KA
-
20
0.3
-
100
-
nA
V
Isolation Characteristics @ 25oC
Withstand insulation voltage
Resistance (input to output)
RH ≤ 50%, T A = 25°C, t = 1 min (Note 3)
V I-O = 500 V DC (Note 3)
V ISO
R I-O
3750
-
-
10 12
-
-
V rms
?
AC Characteristics @ 25oC
Bandwidth (LED) - See Note 4
Common mode rejection ratio - See Note 5
Linearity
-
I LED = 1.0 mA, R L =100 k Ω , f=100 Hz (Fig. 5)
I LED = 5 mA, 100 mV PP
B W
CMRR
THD
-
-
-
100
70
70
-
-
-
kHz
dB
dB
1. The deviation parameters V REF(DEV) and I REF(DEV) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. The average
full-range temperature coefficient of the reference input voltage, ? V REF , is defined as:
| ? V REF | (ppm/°C) = {V REF (DEV) /V REF (T A 25°C)} X 10 6 / ? T A
where ? T A is the rated operating free-air temperature range of the device.
2. The dynamic impedance is defined as |Z OUT | = ? V COMP / ? I LED , for the application circuit in Figure 6, |Zout| = K 1 R 1
3. Device is considered as a two terminal device: Pins 1, 2, 3 and 4 are shorted together and Pins 5, 6, 7 and 8 are shorted together.
4. See compensation section for calculating bandwidth of LIA120.
5. Common mode transient immunity at output high is the maximum tolerable (positive) dVcm/dt on the leading edge of the common mode impulse signal, Vcm, to assure that the output will
remain high. Common mode transient immunity at output low is the maximum tolerable (negative) dVcm/dt on the trailing edge of the common pulse signal,Vcm, to assure that the output will
remain low.
2
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