SY58021UMI 데이터 시트보기 (PDF) - Micrel
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SY58021UMI Datasheet PDF : 13 Pages
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Micrel, Inc.
SY58021U
Absolute Maximum Ratings(1)
Power Supply Voltage (VCC)......................... −0.5V to +4.0V
Input Voltage (VIN) ............................................ −0.5V to VCC
LVPECL Output Current (IOUT)
Continuous............................................................50mA
Surge ..................................................................100mA
Source or Sink Current on VT Pin
VT Current .........................................................±100mA
Source or Sink Current on IN, /IN
Input Current.......................................................±50mA
Source or Sink Current on VREF-AC(4)
VREF Current.......................................................±1.5mA
Soldering (20s) ........................................................... 260°C
Storage Temperature (Ts) ......................... −65°C to +150°C
Operating Ratings(2)
Power Supply Voltage (VCC) .................. +2.375V to +3.60V
Operating Temperature Range (TA)............ –40°C to +85°C
Package Thermal Resistance
QFN (θJA)
Still-Air .......................................................+60°C/W
500 lpfm ....................................................+54°C/W
QFN (ψJB)
Junction-to-Board Resistance(3) ................+33°C/W
Input DC Electrical Characteristics(5)
TA = –40°C to +85°C.
Symbol Parameter
Condition
Min.
Typ.
Max.
Units
VCC
Power Supply Voltage
VCC = 2.5V
VCC = 3.3V
2.375
3.0
2.5
2.625
V
3.3
3.60
ICC
Power Supply Current
No load, VCC = maximum
125
160
mA
VIH
Input HIGH Voltage
IN, /IN (Note 6)
VCC − 1.6
VCC
V
VIL
Input LOW Voltage
IN, /IN
0
VIH − 0.1
V
VIN
Input Voltage Swing
IN, /IN (see Figure 1a)
0.1
1.7
V
VDIFF_IN Differential Input Voltage Swing IN, /IN (see Figure 1b)
0.2
V
RIN
IN-to-VT Resistance
40
50
60
Ω
VT_IN
IN-to-VT Voltage
1.28
V
VREF-AC
Output Reference Voltage
VCC − 1.30
VCC − 1.2
VCC − 1.1
V
Notes:
1. Permanent device damage may occur if ratings in the “Absolute Maximum Ratings” section are exceeded. This is a stress rating only and functional
operation is not implied for conditions other than those detailed in the operational sections of this data sheet. Exposure to absolute maximum
ratings conditions for extended periods may affect device reliability.
2. The data sheet limits are not guaranteed if the device is operated beyond the operating ratings.
3. Thermal performance assumes exposed pad is soldered (or equivalent) to the device’s most negative potential on the PCB.
4. Due to the limited drive capability, use for input of the same package only.
5. The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been established.
6. VIH (minimum) not lower than 1.2V.
September 2011
4
M9999-090111-B
hbwhelp@micrel.com or (408) 955-1690
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