MP7226 查看數據表（PDF） - Exar Corporation
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MP7226 Datasheet PDF : 16 Pages
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MP7226
ELECTRICAL CHARACTERISTICS (CONT’D)
Parameter
25°C
Symbol Min Typ Max
POWER SUPPLY
VDD Range
IDD
4.75
5.25
8
ISS (Dual Supplies)
6
Tmin to Tmax
Min Max Units
4.75 5.25 V
8 mA
6
SWITCHING
CHARACTERISTICS4, 6, 7
Address to WR Setup Time, t1
Address to WR Hold Time, t2
Data Valid to WR Setup Time, t3
Data Valid to WR Hold Time, t4
WR Pulse Width, t5
tAS
0
tAH
0
tDS
70
tDH
0
tWR
95
0
ns
0
ns
95
ns
120
ns
Test Conditions/Comments
For specified performance
Outputs unloaded;
VIN=VINL or VINH
Outputs unloaded;
VIN=VINL or VINH
NOTES:
1 VOUT must be less than VDD by 3.5 V to ensure correct operation.
2 Total Unadjusted Error includes zero code error, relative accuracy and full-scale error.
3 Calculated after zero code error has been adjusted out.
4 Sample tested at 25°C to ensure compliance.
5 The glitch impulse transferred to the output of one converter (not adjusted) due to a change in the digital input code to another
addressed converter.
6 All input rise and fall times are measured from 10% to 90% of +5 V, tR = tF = 5 ns.
7 Timing measurement reference level is (VINH + VINL)/2.
Specifications are subject to change without notice
ABSOLUTE MAXIMUM RATINGS (TA = +25°C unless otherwise noted)1, 2
VDD to AGND, DGND . . . . . . . . . . . . . . . . . . . . . . 0 to +17 V
Digital Input Voltage to DGND . . . . . . . . –0.5 to VDD +0.5 V
VREF to AGND, DGND . . . . . . . . . . . . . . –0.5 to VDD +0.5 V
VSS to AGND, DGND . . . . . . . . . . . . . . . . . . . . . +0.5 to –7 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
PDIP, SOIC, PLCC . . . . . . . . . . . . . . . . . . . . . . . . 900mW
Derates above 75°C . . . . . . . . . . . . . . . . . . . . . 12mW/°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.
Rev. 2.00
6
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