LTC2226LX(RevC) 查看數據表（PDF） - Linear Technology
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LTC2226LX Datasheet PDF : 18 Pages
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ELECTRICAL CHARACTERISTICS
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 = 25MHz, input range = 2VP-P with differential
drive, unless otherwise noted.
LTC2226H
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 = 25MHz, input range = 1VP-P with
differential drive.
Note 9: Recommended operating conditions.
TYPICAL PERFORMANCE CHARACTERISTICS
Typical INL, 2V Range, 25Msps
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
0
1024
2048
CODE
3072
4096
2226H G01
8192 Point FFT, fIN = 30MHz,
–1dB, 2V Range, 25Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
24
6
8 10 12
FREQUENCY (MHz)
2226H G04
Typical DNL, 2V Range, 25Msps
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
0
1024
2048
CODE
3072
4096
2226H G02
8192 Point FFT, fIN = 70MHz,
–1dB, 2V Range, 25Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
2
4
6
8 10 12
FREQUENCY (MHz)
2226H G05
8192 Point FFT, fIN = 5MHz, –1dB,
2V Range, 25Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
2
4
6
8 10 12
FREQUENCY (MHz)
2226H G03
8192 Point FFT, fIN = 140MHz,
–1dB, 2V Range, 25Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
2
4
6
8 10 12
FREQUENCY (MHz)
2226H G06
2226hfc
5
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