参数资料
型号: LTC2145IUP-14#PBF
厂商: Linear Technology
文件页数: 38/38页
文件大小: 0K
描述: IC ADC DUAL 14BIT 125MSPS 64-QFN
标准包装: 40
位数: 14
采样率(每秒): 125M
数据接口: 并联,串行,SPI
转换器数目: 2
功率耗散(最大): 360mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-WFQFN 裸露焊盘
供应商设备封装: 64-QFN(9x9)
包装: 管件
输入数目和类型: 2 个差分
配用: DC890B-ND - BOARD USB DATA COLLECTION
9
21454314fa
LTC2145-14/
LTC2144-14/LTC2143-14
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2145-14: Integral
Nonlinearity (INL)
LTC2145-14: Differential
Nonlinearity (DNL)
LTC2145-14: 64k Point FFT,
fIN = 5MHz, –1dBFS, 125Msps
LTC2145-14: 64k Point FFT,
fIN = 30MHz, –1dBFS, 125Msps
LTC2145-14: 64k Point FFT,
fIN = 70MHz, –1dBFS, 125Msps
LTC2145-14: 64k Point FFT,
fIN = 140MHz, –1dBFS, 125Msps
LTC2145-14: 64k Point 2-Tone
FFT, fIN = 69MHz, 70MHz,
–1dBFS, 125Msps
LTC2145-14: Shorted Input
Histogram
LTC2145-14: SNR vs Input
Frequency, –1dBFS, 125Msps,
2V Range
OUTPUT CODE
–2.0
–1.0
–0.5
–1.5
INL
ERROR
(LSB)
0.5
0
1.0
1.5
2.0
21454314 G01
0
4096
8192
12288
16384
OUTPUT CODE
–1.0
–0.4
–0.2
–0.6
–0.8
DNL
ERROR
(LSB)
0
0.4
0.2
0.6
0.8
1.0
21454314 G02
0
4096
8192
12288
16384
FREQUENCY (MHz)
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
21454314 G03
0
10
20
30
40
50
60
FREQUENCY (MHz)
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
21454314 G04
0
10
20
30
40
50
60
FREQUENCY (MHz)
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
21454314 G05
0
10
20
30
40
50
60
FREQUENCY (MHz)
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
21454314 G06
0
10
20
30
40
50
60
FREQUENCY (MHz)
–100
–110
–120
–70
–60
–80
–90
AMPLITUDE
(dBFS) –50
–30
–40
–20
–10
0
21454314 G07
0
10
20
30
40
50
60
OUTPUT CODE
8183
0
COUNT
3000
4000
5000
8185
8187
8189
6000
2000
1000
8191
21454314 G08
INPUT FREQUENCY (MHz)
0
72
71
70
74
73
SNR
(dBFS)
50
100
150
200
250
300
21454314 G09
SINGLE-ENDED
ENCODE
DIFFERENTIAL
ENCODE
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