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参数资料
| 型号： | FOD2712AR2V |
| 厂商： | Fairchild Optoelectronics Group |
| 文件页数： | 4/16页 |
| 文件大小： | 0K |
| 描述： | OPTOISOLATOR ERROR AMP 8-SOIC |
| 标准包装： | 2,500 |
| 通道数： | 1 |
| 输入类型： | DC |
| 电压 - 隔离： | 2500Vrms |
| 电流传输比（最小值）： | 100% @ 10mA |
| 电流传输比（最大）： | 200% @ 10mA |
| 输出电压： | 70V |
| 电流 - 输出 / 通道： | 50mA |
| Vce饱和（最大）： | 400mV |
| 输出类型： | 晶体管 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
Electrical Characteristics (V CC = 12V, T A = 25°C unless otherwise speci?ed)
Input Characteristics
Symbol
V F
Parameter
LED Forward Voltage
Test Conditions
I LED = 10mA, V COMP = V FB
Min.
Typ.
Max.
1.5
Unit
V
(Fig.1)
V REF
Reference Voltage
V COMP = V FB , I LED = 10mA
-40°C to +85°C
25°C
(Fig.1)
1.221
1.228
1.240
1.259
1.252
V
V REF (DEV) Deviation of V REF over temperature
T A = -40 to +85°C
4
12
mV
See Note 1
? V REF
? V COMP
Ratio of Vref Variation to the Output of the I LED = 10 mA,
Error Ampli?er
V COMP = V REF to 12V
(Fig. 2)
-1.5
-2.7
mV/V
I REF
Feedback Input Current
I LED = 10mA, R1 = 10k ?
0.15
0.5
μA
(Fig. 3)
I REF (DEV)
Deviation of I REF Over Temperature
T A = -40 to +85°C
0.15
0.3
μA
See Note 1
I LED (MIN)
I (OFF)
|Z OUT |
Minimum Drive Current
Off-state Error Ampli?er Current
Error Ampli?er Output Impedance
V COMP = V FB (Fig.1)
V LED = 6V, V FB = 0 (Fig.4)
V COMP = V FB ,
55
0.001
0.25
80
0.1
μA
μA
?
See Note 2
I LED = 0.1mA to 15mA,
{ V REF ( DEV ) /V REF ( T A = 25°C ) } × 10
? T A
Z OUT, TOT = -------- ≈ Z OUT × 1 + --------
f < 1kHZ
Notes:
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:
6
? V REF ( ppm/°C ) = -----------------------------------------------------------------------------------------------------
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 . When the device is operating with two external
resistors (see Figure 2), the total dynamic impedance of the circuit is given by:
? V R1
? I R2
?2010 Fairchild Semiconductor Corporation
FOD2712A Rev. 1.0.1
4
www.fairchildsemi.com
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