參數(shù)資料
型號: LTC1749IFW
廠商: Linear Technology
文件頁數(shù): 16/20頁
文件大小: 0K
描述: IC ADC 12BIT 80MSPS SMPL 48TSSOP
標(biāo)準(zhǔn)包裝: 39
位數(shù): 12
采樣率(每秒): 80M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 1.69W
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-TFSOP(0.240",6.10mm 寬)
供應(yīng)商設(shè)備封裝: 48-TSSOP
包裝: 管件
輸入數(shù)目和類型: 2 個單端,雙極;1 個差分,雙極
5
LTC1749
1749f
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 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 these pin voltages are taken below GND, they will be
clamped by internal diodes. This product can handle input currents of
>100mA below GND without latchup. These pins are not clamped to VDD.
Note 5: VDD = 5V, fSAMPLE = 80MHz, differential ENC/ENC = 2VP-P 80MHz
sine wave, input range =
±1.125V 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 0000 0000 0000 and
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
OUTPUT CODE
0
–1.0
ERROR
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
1024
2048
1749 G01
–0.6
0.6
0.8
0.2
3072
4096
OUTPUT CODE
0
–1.0
ERROR
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
1024
2048
1749 G02
–0.6
0.6
0.8
0.2
3072
4096
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1749 G03
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
DNL
8192 Point FFT, fIN = 15MHz,
–1dB, PGA = 0
8192 Point FFT, fIN = 30.2MHz,
–1dB, PGA = 0
8192 Point FFT, fIN = 15MHz,
–20dB, PGA = 0
8192 Point FFT, fIN = 15MHz,
–10dB, PGA = 0
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1749 G04
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1749 G05
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1749 G06
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
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