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LT1787HVCMS8 bảng dữ liệu(PDF) 6 Page - Linear Technology

tên linh kiện LT1787HVCMS8
Giải thích chi tiết về linh kiện  Precision, High Side Current Sense Amplifiers
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LT1787/LT1787HV
1787fc
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: ESD (Electrostatic Discharge) sensitive devices. Extensive use of
ESD protection devices are used internal to the LT1787/LT1787HV,
however, high electrostatic discharge can damage or degrade the device.
Use proper ESD handling precautions.
Note 3: The LT1787C/LT1787I are guaranteed functional over the
operating temperature range of –40
°C to 85°C. The LT1787H is
guaranteed functional over the operating temperature range of –40
°C to
125
°C.
Note 4: The LT1787C is guaranteed to meet specified performance from
0
°C to 70°C. The LT1787C is designed, characterized and expected to
meet specified performance from –40
°C to 85°C but is not tested or QA
sampled at these temperatures. The LT1787I is guaranteed to meet
specified performance from – 40
°C to 85°C. The LT1787H is guaranteed to
meet specified performance from –40
°C to 125°C.
Note 5: Testing done at VBIAS = 1.25V, VEE = 0V unless otherwise
specified.
Note 6: This parameter is not 100% tested.
ELECTRICAL CHARACTERISTICS
No Load Output Voltage
vs Supply Voltage
TOTAL SUPPLY VOLTAGE (V)
010
20
40
30
50
60
1787 G02
400
300
200
100
0
–100
–200
–300
–400
TA = 85°C
TA = 25°C
TA = –40°C
VS
+ = V
S
–
VBIAS = 0V
VEE = –1.25V
TOTAL SUPPLY VOLTAGE (V)
0
10
20
30
40
1787 G03
50
10
8
6
4
2
0
–2
–4
–6
–8
–10
60
VBIAS = 1V
VEE = 0V
VS
+ = V
S
–
TA = 25°C
TA = 85°C
TA = –40°C
No Load Output Current vs
Supply Voltage
TOTAL SUPPLY VOLTAGE (V)
0
10
20
30
40
1787 G01
50
50
40
30
20
10
0
–10
–20
–30
–40
–50
60
VS
+ = V
S
–
VBIAS = 0V
VEE = –1.25V
TA = 25°C
TA = 85°C
TA = –40°C
Input Offset Voltage vs
Supply Voltage
TYPICAL PERFORMANCE CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOMIN
Minimum Output Voltage
VSENSE = 0V, VBIAS = 0V
30
45
mV
VSENSE = VS+ – VS– = –128mV, VBIAS = 0V
10
mV
VSENSE = 0V, VBIAS = 0V
●
30
55
mV
VSENSE = VS
+ – VS– = –128mV, VBIAS = 0V
10
mV
Unipolar Output
VSENSE = 2mV, VBIAS = 0V
32
50
mV
Saturation Voltage
VSENSE = 4mV, VBIAS = 0V
38
55
mV
VSENSE = 5mV, VBIAS = 0V
43
60
mV
VSENSE = 6mV, VBIAS = 0V
49
65
mV
VSENSE = 2mV, VBIAS = 0V
●
32
60
mV
VSENSE = 4mV, VBIAS = 0V
●
38
65
mV
VSENSE = 5mV, VBIAS = 0V
●
43
70
mV
VSENSE = 6mV, VBIAS = 0V
●
49
75
mV
VOMAX
Maximum Output Voltage
VS+ – 0.75
V
RG1A, RG2A Input Gain-Setting Resistor
Pin 1 to Pin 2, Pin 7 to Pin 8
1.25
k
Ω
ROUT
Output Resistor
Pin 5 to Pin 6
20
k
Ω
The
● denotes the specifications which apply over the temperature range –40
°C ≤ TA ≤ 125°C, otherwise specifications are at
TA = 25°C. Total supply = (VS– – VEE) = 2.5V to 36V (LT1787H), 2.5V to 60V (LT1787HVH) unless otherwise specified. (Note 5)



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