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參數(shù)資料
| 型號： | LTC1742CFW |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | ADC |
| 英文描述： | 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO48 |
| 封裝： | 6.1 MM, PLASTIC, TSSOP-48 |
| 文件頁數(shù)： | 16/20頁 |
| 文件大?。?/td> | 567K |
| 代理商： | LTC1742CFW |
5
LTC1742
1742f
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All voltage values are with respect to ground with GND
(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: When this pin voltage is taken below GND or above OVDD, it will be
clamped by internal diodes. This product can handle input currents of
>100mA below GND or above OVDD without latchup.
Note 5: VDD = 5V, fSAMPLE = 65MHz, differential ENC/ENC = 2VP-P 65MHz
sine wave, input range =
±1.6V differential, unless otherwise specified.
Note 6: 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 7: Bipolar offset is the offset voltage measured from – 0.5 LSB
when the output code flickers between 00 0000 0000 0000 and 11
1111 1111 1111.
Note 8: Guaranteed by design, not subject to test.
Note 9: Recommended operating conditions.
ELECTRICAL CHARACTERISTICS
TYPICAL PERFOR A CE CHARACTERISTICS
UW
INL, 3.2V Range
DNL, 3.2V Range
8192 Point FFT,
Input Frequency = 15MHz,
–1dB, 3.2V Range
8192 Point FFT,
Input Frequency = 15MHz,
–10dB, 3.2V Range
8192 Point FFT,
Input Frequency = 15MHz,
–20dB, 3.2V Range
8192 Point FFT,
Input Frequency = 30MHz,
–1dB, 3.2V Range
OUTPUT CODE
0
–2.5
ERROR
(LSB)
–2.0
–1.0
–0.5
0
2.5
1.0
4096
8192
1742 G01
–1.5
1.5
2.0
0.5
12288
16384
TA = 25°C
OUTPUT CODE
0
–1.0
ERROR
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
4096
8192
1742 G02
–0.6
0.6
0.8
0.2
12288
16384
TA = 25°C
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
1742 G03
–70
–80
–120
10
20
30
5
15
25
–100
0
–10
–40
–50
–90
–110
TA = 25°C
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
1742 G04
–70
–80
–120
10
20
30
5
15
25
–100
0
–10
–40
–50
–90
–110
TA = 25°C
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
1742 G05
–70
–80
–120
10
20
30
5
15
25
–100
0
–10
–40
–50
–90
–110
TA = 25°C
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
1742 G06
–70
–80
–120
10
20
30
5
15
25
–100
0
–10
–40
–50
–90
–110
TA = 25°C
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