LTC2252I データシートの表示（PDF） - Linear Technology
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LTC2252I Datasheet PDF : 24 Pages
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LTC2253/LTC2252
POWER REQUIRE E TS The ● denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 8)
SYMBOL
PARAMETER
CONDITIONS
LTC2253
LTC2252
MIN TYP MAX MIN TYP MAX
UNITS
VDD
Analog Supply
Voltage
(Note 9)
● 2.85 3 3.4 2.85 3 3.4
V
OVDD
IVDD
PDISS
PSHDN
Output Supply Voltage
Supply Current
Power Dissipation
Shutdown Power
(Note 9)
SHDN = H,
OE = H, No CLK
● 0.5 3 3.6 0.5 3 3.6
V
●
132 156
107 126
mA
●
395 468
320 378
mW
2
2
mW
PNAP
Nap Mode Power
SHDN = H,
OE = L, No CLK
15
15
mW
WU
TI I G CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 4)
SYMBOL
fs
tL
tH
tAP
tD
Pipeline
Latency
PARAMETER
Sampling Frequency
CLK Low Time
CLK High Time
Sample-and-Hold
Aperture Delay
CLK to DATA Delay
Data Access Time
After OE↓
BUS Relinquish Time
CONDITIONS
(Note 9)
Duty Cycle Stabilizer Off
Duty Cycle Stabilizer On
(Note 7)
Duty Cycle Stabilizer Off
Duty Cycle Stabilizer On
(Note 7)
CL = 5pF (Note 7)
CL = 5pF (Note 7)
(Note 7)
LTC2253
LTC2252
MIN TYP MAX MIN TYP MAX
●1
125 1
105
● 3.8 4 500 4.5 4.76 500
●3
4 500 3 4.76 500
UNITS
MHz
ns
ns
● 3.8 4 500 4.5 4.76 500
ns
●3
4 500 3 4.76 500
ns
0
0
ns
● 1.4 2.7 5.4 1.4 2.7 5.4
ns
●
4.3 10
4.3 10
ns
●
3.3 8.5
5
3.3 8.5
ns
5
Cycles
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: All voltage values are with respect to ground with GND and OGND
wired together (unless otherwise noted).
Note 3: When these pin voltages are taken below GND or above VDD, they
will be clamped by internal diodes. This product can handle input currents
of greater than 100mA below GND or above VDD without latchup.
Note 4: VDD = 3V, fSAMPLE = 125MHz (LTC2253) or 105MHz (LTC2252),
input range = 2VP-P with differential drive, clock duty cycle stabilizer on,
unless otherwise noted.
Note 5: Integral nonlinearity is defined as the deviation of a code from a
straight line passing through the actual endpoints of the transfer curve.
The deviation is measured from the center of the quantization band.
Note 6: Offset error is the offset voltage measured from –0.5 LSB when
the output code flickers between 0000 0000 0000 and 1111 1111 1111.
Note 7: Guaranteed by design, not subject to test.
Note 8: VDD = 3V, fSAMPLE = 125MHz (LTC2253) or 105MHz (LTC2252),
input range = 1VP-P with differential drive.
Note 9: Recommend operating conditions.
22532fa
5
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