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参数资料
| 型号： | L6287 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDIP42 |
| 封装： | SDIP-42 |
| 文件页数： | 6/9页 |
| 文件大小： | 1610K |
| 代理商： | L6287 |
ELECTRICAL CHARACTERISTICS (continued)
DRUM TACHO CONVERTER
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Iod
Open Loop Output Current
Vod = 1V; Ioc = 100
A (Note 1)
30
60
mA
Iot
Full Light Current Range
0.5
3
mA
Ioc
Sink Current
Vor = 0; Iod = 0
0.2
0.5
A
Iot vs Ior
Mismatch
5
10
%
Vref
Opto Resistor Reference
Voltage
VS = 4.75V
3.36
3.72
V
VS = 5V
3.54
3.91
V
VS = 5.25V
3.72
4.11
V
VOC
Open Loop Opto Capacitor
Voltage
VOD = 1V see Fig. 1
VS = 4.75V
VS = 5V
VS = 5.25V
2.75
V
Vthr1
Clock Threshold Voltage
VS = 4.75V
2.19
2.42
V
VS = 5V
2.30
2.54
V
VS = 5.25V
2.42
2.67
V
Vthr2
Reset Threshold Voltage
VS = 4.75V
0.30
0.33
V
VS = 5V
0.32
0.35
V
VS = 5.25V
0.33
0.37
V
tpud
P Syncro Pulse Duration
1
3
s
Ipud1
Open Drain Sink Current
VO = 0.4V
5
mA
Note 1: The suggested Copt external capacitor value is 5
F (±5%)
HALL COMPARATOR
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Vin
Input Voltage Range
0.5
2.7
V
Ib
Input Bias Current
1
A
Vof
Input Offset Voltage
8
mV
Vhy
Switchable Hysteresys
Vref = 1.5V;
10
40
mV
THERMAL PROTECTION
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Itherm
Open Drain Sink Current
Vout = 0.4V (see note 1)
5
mA
Ts
Shutdown Temperature
155
170
185
oC
Tsdh
Shutdown Hysteresis
60
oC
Tal1
Early Warning Temperature
Ts -40
oC
Tal2
Last Warning Temperature
(see note 2)
Ts -20
°C
NOTE 1: Therm output stage is on in the normal temperature range
NOTE 2: In the Tal-Tll temperature range therm signal follows the inverted Fstart signal. After Tll temperature this output is always in high
impedance. If thermal shutdown is reached this pin will remain in this state until the shutdown hysteresys will be recovered.
HEATER
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Rdsheat
Heater RDSon
3
ohm
Vheat
Heater Voltage
18
V
L6287
6/9
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