参数资料
型号: LTC1748CFW#TRPBF
厂商: Linear Technology
文件页数: 16/20页
文件大小: 0K
描述: IC ADC 14BIT 80MSPS 48-TSSOP
标准包装: 1,800
位数: 14
采样率(每秒): 80M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 1.55W
电压电源: 单电源
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 48-TFSOP(0.240",6.10mm 宽)
供应商设备封装: 48-TSSOP
包装: 带卷 (TR)
输入数目和类型: 2 个单端,双极;1 个差分,双极
5
LTC1748
1748fa
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 =
±1.6V 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 = 15.068MHz,
–1dB, 3.2V Range
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1748 G03
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
TA = 25°C
8192 Point FFT,
Input Frequency = 15.068MHz,
–10dB, 3.2V Range
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1748 G04
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
TA = 25°C
8192 Point FFT,
Input Frequency = 15.068MHz,
–20dB, 3.2V Range
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1748 G05
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
TA = 25°C
8192 Point FFT,
Input Frequency = 30.068MHz,
–1dB, 3.2V Range
FREQUENCY (MHz)
0
AMPLITUDE
(dBFS)
–60
–30
–20
40
1748 G06
–70
–80
–120
10
20
30
5
15
25
35
–100
0
–10
–40
–50
–90
–110
TA = 25°C
OUTPUT CODE
0
–2.5
ERROR
(LSB)
–2.0
–1.0
–0.5
0
2.5
TA = 25°C
1.0
4096
8192
1748 G01
–1.5
1.5
2.0
0.5
12288
16384
OUTPUT CODE
0
–1.0
ERROR
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
4096
8192
1748 G02
–0.6
0.6
0.8
0.2
12288
16384
TA = 25°C
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