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LTC1531CSW 数据表(PDF) 2 Page - Linear Technology

部件名 LTC1531CSW
功能描述  Self-Powered Isolated Comparator
PDF  16 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1531CSW 数据表(HTML) 2 Page - Linear Technology

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LTC1531
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER INFORMATION
ORDER PART
NUMBER
LTC1531CSW
1
2
3
4
11
12
13
14
28
27
26
25
18
17
16
15
VCC
SHDN
ZCNEG
ZCPOS
VPW
CMPOUT
VREG
ISOGND
GND
ZCDATA
DATA
VALID
V1
V2
V3
V4
SW PACKAGE
28-LEAD PLASTIC SO (ISO)
TOP VIEW
TJMAX = 125°C, θJA = 125°C/ W
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IVCC
Supply Current
SHDN = VCC, No Load
q
10
14
mA
SHDN = 0V
q
0.2
10
µA
VZCOS
Zero-Cross Offset
VCM = VCC
q
±30
±120
mV
VHYS
Zero-Cross Hysteresis
VCM = VCC (Note 7)
q
200
800
mV
fSAMPLE
Isolated Comparator Sample Rate
VREG Not Loaded (Note 2)
300
Hz
VOS
Isolated Comparator Offset
V1 = V2, V3 = V4
q
2.0
4.0
mV
V1 – V3 = 2V, V4 – V2 = 2V
q
2.0
4.0
mV
RVIN
Isolated Comparator
V1 = V3 = 2.5V, V2 = V4 = 0V
18
M
Ω
Input Impedance
V1 = V2 = 1.25V, V3 = V4 = 0V
300
M
Ω
IVIN
Isolated Comparator Input Current
V1 = V3 – 2.5V, V2 = V4 = 0V
±1nA
fSAMPLE = 700Hz (Note 4)
VREG
VREG
2mA Load VPW = 3.3V (Note 5)
q
2.40
2.50
2.55
V
RVREG
VREG Output Impedance
2mA to 5mA Load
q
415
Ω
ICMPOUT
CMPOUT High Impedance Leakage Current
VCMPOUT = 2.5V
1
nA
tVREG
VREG On-Time
q
90
108
130
µs
VPWH
VPW, Power Detect Enable Voltage
3.3
V
IVPW
Current Transfer to VPW
VPW = 0V
45
µA
VPW = 3.3V
30
µA
VISO
Isolation Voltage
1 Minute (Note 6)
q
2500
VRMS
1 Second
q
4500
VDC
Total Supply Voltage (VCC to GND) ............................ 7V
Input Voltages
Isolated Comparator
(V1 to V4) .............................. – 0.3V to (VPW + 0.3V)
SHDN, ZCPOS, ZCNEG ......................... – 0.3V to 12V
Current
Input Pins .......................................................
±10mA
ZCDATA, VALID, DATA ..................................
±10mA
Operating Temperature Range ..................... 0
°C to 70°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
(Note 1)
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C, VCC = 5V.



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