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参数资料
| 型号： | TLI4946K |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 模拟信号调理 |
| 英文描述： | MAGNETIC SENSOR, PDSO3 |
| 封装： | GREEN, PLASTIC, SC-59-3-4, 3 PIN |
| 文件页数： | 4/17页 |
| 文件大小： | 462K |
| 代理商： | TLI4946K |
TLI4946
Specification
Datasheet
12
Rev. 1.0, 2009-05-04
3.3
Operating Range
The following operating conditions must not be exceeded in order to ensure correct operation of the TLI4946xy.
All parameters specified in the following sections refer to these operating conditions unless otherwise mentioned.
3.4
Electrical Characteristics
Product characteristics include the spread of values guaranteed within the specified voltage and ambient
temperature range. typical characteristics are the median of the production (at Vs=12V and TA=25°C).
Table 4
Operating Range
Parameter
Symbol
Values
Unit
Note / Test Condition
Min.
Typ.
Max.
Supply Voltage
V
S
2.7
–
18
V
Output Voltage
V
Q
-0.7
–
18
V
Output Current
I
Q
0–
20
mA
Maximum Ambient Temperature
T
A
-40
–
125
°C
Table 5
Electrical Characteristics
Parameter
Symbol
Values
Unit
Note / Test Condition
Min.
Typ.
Max.
Supply Current
I
S
24
6
mA
VS=2.7 V...18 V
Reverse Current
I
SR
00.2
1
mA
VS=-18 V
Output Saturation Voltage
V
QSAT
–0.3
0.6
V
IQ=20 mA
Output leakage current
I
QLEAK
–0.05
10
A
VQ=18 V
Output fall time1)
1) See Figure 6
t
f
–0.02
1
s
RL=1.2k , CL=50 pF
Output rise time1)
t
r
–0.4
1
s
Chopper frequency
f
OSC
–320
–
kHz
Switching frequency
f
SW
0–
152)
2) To operate the sensor at maximum switching frequency, the value of the magnetic signal amplitude must be 1.4 times
higher than the static fields. This is due to the -3 dB corner frequency of the low pass filter in the signal path.
kHz
Delay time3)
3) Systematic delay between magnetic threshold reached and output.
t
d
–13
–
s
Output jitter4)
4) Jitter is the unpredictable deviation of the output switching delay.
t
QJ
–1
–
sRMS
Typical value for a 1 kHz
square wave signal
Power-on Time5)
5) Time from applying VS. > 2.7 V to the sensor until the output state is valid.
t
PON
–13
–
s
VS > 2.7 V
Thermal Resistance junction to
ambient6)
6)Relationship between junction and ambient temperature: TJ=Tamb + Rthja . (VS . IS + VQS . IQ).
R
thja
–
100
–
K/W
TLI4946K, TLI4946-2K
–
190
K/W
TLI4946-2L
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