MP7543KP データシートの表示（PDF） - Exar Corporation
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MP7543KP Datasheet PDF : 12 Pages
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MP7543
ELECTRICAL CHARACTERISTICS (CONT’D)
Parameter
25°C
Symbol Min Typ Max
SWITCHING
CHARACTERISTICS2, 4
Serial Input to Strobe Set-up Time
tDS1
50
Serial Input to Strobe Set-up Time
tDS4
0
Serial Input to Strobe Set-up Time
tDS3
0
Serial Input to Strobe Set-up Time
tDS2
20
Serial Input to Strobe Hold Time
tDH1
30
Serial Input to Strobe Hold Time
tDH4
80
Serial Input to Strobe Hold Time
tDH3
80
Serial Input to Strobe Hold Time
tDH2
60
SRI Data Pulse Width
tSRI
80
STB1 Pulse Width
tSTB1
80
STB4 Pulse Width
tSTB4
100
STB3 Pulse Width
tSTB3
100
STB2 Pulse Width
tSTB2
80
Load Pulse Width
tLD1, 2
150
Minimum time between strobing
tASB
0
Reg. A and loading Reg. B
CLR pulse width
tCLR
200
Tmin to Tmax
Min Max Units
100
ns
0
ns
0
ns
40
ns
60
ns
160
ns
160
ns
120
ns
160
ns
160
ns
200
ns
200
ns
160
ns
300
ns
0
ns
400
ns
Test Conditions/Comments
STB1 used as a strobe
STB4 used as a strobe
STB3 used as a strobe
STB2 used as a strobe
STB1 used as a strobe
STB4 used as a strobe
STB3 used as a strobe
STB2 used as a strobe
NOTES:
1 Full Scale Range (FSR) is 10V for unipolar mode.
2 Guaranteed but not production tested.
3 Digital input levels should not go below ground or exceed the positive supply voltage, otherwise damage may occur.
4 See timing diagram.
Specifications are subject to change without notice
ABSOLUTE MAXIMUM RATINGS (TA = +25°C unless otherwise noted)1, 2, 3
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7 V
Digital Input Voltage to GND (2) . GND –0.5 to VDD +0.5 V
IOUT1, IOUT2 to GND . . . . . . . . . . . GND –0.5 to VDD +0.5 V
VREF to GND (2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +25 V
VRFB to GND (2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +25 V
AGND to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +1 V
(Functionality Guaranteed +0.5 V)
Storage Temperature . . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 seconds) . . . . . . +300°C
Package Power Dissipation Rating to 75°C
CDIP, PDIP, SOIC, PLCC . . . . . . . . . . . . . . . . . . 700mW
Derates above 75°C . . . . . . . . . . . . . . . . . . . . . 10mW/°C
NOTES:
1 Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a
stress rating only and functional operation at or above this specification is not implied. Exposure to maximum rating
conditions for extended periods may affect device reliability.
2 Any input pin which can see a value outside the absolute maximum ratings should be protected by Schottky diode clamps
(HP5082-2835) from input pin to the supplies. All inputs have protection diodes which will protect the device from short
transients outside the supplies of less than 100mA for less than 100µs.
3 GND refers to AGND and DGND.
Rev. 2.00
5
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